Sly I sects J ^RS"?, l^^rf TV. Oa^^^f^ GIL \ ' SPECIMENS OF NEUROPTEROUS INSECTS IK THE COLLECTION OF THE BKITIS H MUSE UM. PART I v. — ODONATA. PRINTED BY ORDER OF THE TRUSTEES. LONDON, 18o3. 1 \y LONDON : PRINTED BY EDWARD NEWMAN, 9, DEVONSHIRE ST,^ BISHOPSGATE. INTROUCTION. The principal object of the present Catalogue has been to give a complete list of the specimens of Neuropterous Insects contained in the collection of the British Museum, indicating at the same time the pecuharities of each, as regards variation of character, locality, and thu som'ce from whence it has been derived. With this view, the different individuals of each species contained in the collection are indicated by the letters a, b, c, &c., following the name of the species and its syno- iiymes, and the description, if it appeared to have been before undescribed. This part of the Catalogue of Neuropterous Insects has Ijeen prepared and the new species described by Mr. Feancis Walker, so well known for his attention to this order of Insects. The continuation is in liand, and will follow tis soon as it is completed. JOHN EDWARD GRAY. British Museum, November \bth, 1853. CATALOGUE NEUROPTEROUS INSECTS. Sub-ovcler6. ODONATA. Odonata, Fahr. Subulicornia, p., Lair, Libellulina, MacLeay ; Steph. Libellula, Linn. Alee ffiCjuales, basi non avticulatae. Tarsi plusquam Iriarticu- lati. Antenna) brevissimie, sctifornies, articulis paucis. Mandi- bulae et maxillae magna^ validissime dentatae. I am indebted to the kindness of M. le Baron De Selys Long- champs for nearly all ihe following descriptions, which are trans- lated from the MSS. which he gave me. Fam. 1. AGRIONID^. Palpi labiales inarticulati, ant labium lobis lateralibus. Oculi valde remoti, aut petiolati. Agrionidse, Leach ; Steph. ; Dc Selys. Agrionidcs, Ramb. Hist. Nat. Lns. Neur. 215. Agrion, Fabr. ; Latr. ; Vanderl. Occiput narrow, linear : eyes very small, as regards the tribe, far apart, as if pediculate : ocelli seated in a triangle round the slightly elevated vertex : anteniue inserted quite beneath the ocelli ; 1st joint long, incnmbent on tlie head ; '2nd generally very long, upright: labium large, divided into 2 jiarls which are reunited by a sometimes obsolete membrane, or more geuerallv do not extend to ' 3 F 588 AGRIONID^. the tip ; 2nil joint of the labial palpi with more than half the breadth of the labium, with the internal angle of its tip prolonged into a long spine ; last joint narrow, almost cylindrical, often much shorter than, but sometimes as long as, the preceding : labrum entire, con- vex, rounded : abdomen of the male with 4 appendages : areolets of the wings mostly quadrilateral : membranule quite obsolete. Rambur divides this family into the following genera : — a. Veinlets of the 1st costal space more or less numerous. b. Pterostigma very small or only visible in the female : wings not pediculate. 1. Caloptervx. bb. Veinlets of the 1st costal space always rather numerous: pterostigma regular in the wings of both sexes. c. Epistoma without a hump. 2. Edph.ea. cc. Epistoma with a hump. 3. Rhinocypha. bbb. Epistoma with a hump : veinlets of the 1st costal space only 5 or 6 in number. 4. Micromerus. aa. Only two veinlets in the 1st humeral or costal space. b. Shanks dilated, or at least in the male. 5. Platycnemis. bb. Shanks dilated in neither sex. c. Areolets often pentagonal : pterostigma oblong-quadrate, as in the Libelluiides. 6. Lestes. cc. Almost all the areolets quadrilateral ; hind-border of the wings having most often only a single row of areolets after the last vein : pterostigma most often lozenge-shaped. d. Legs deeply fringed, 7. Argia. dd. Legs with short hairs or spines. e. A single row of areolets on the hind-border, f. Size small : pterostigma small, lozenge-shaped. 8. Agrion. fF, Size large : pterostigma large, or blended with a spot at the tip. 9. Mecistogaster. ee. A great number of areolets on the hind-border of the wings after the 8th vein, f. Pterostigma obsolete, or broader than long, 10. MlCROSTIGMA. ff. Pterostigma well defined. 11. Megaloprepus. AGRIONIDiF. 589 Sub-fara. 1. CALOPTERYGIX.E. CalopteryginoD, De Seli/s. A. Arculi sectores dux apud ejus meilium incipientes. Quachila- teralis leic rei^uluris. a. VcnnlaB costales et subcostales luimero fere ajquales. Epistoma non promineus. Abdomen longum, gracile, cylin- d lie urn. Pterostig-ma nullum vel brevissiraura. Quadrilateralis sat reticulata, spatio basilari loDgiludine ajqualis. Div. 1. CAL0PTER7X. Quadrilateralis antice recta vel fere recta, lateribus a?qualibus. Calepteryx, Leach ; Steph. ; Burm. Calopteryx, Ramb. ; De Seli/s. Genus 1. CALOPTERYX. Antennarum articulus lus cylindricus, 2o multo brevior. Ahe (juatuor uniculores ; sectores omnes siniplices, non ramosa). Labium lengthened, deeply severed into 2 narrow obtuse divi- sions : labial palpi very slightly covering the mouth, with the penultimate joint shorter or not longer than the labium, notched at the tip, prolonged into a point inwardly where it bears a long spine ; last joint delicate, flattened, shorter by half than the preceding, nar- row, slightly bent : eyes very remote : abdomen much longer than the wing ; upper appendages of the male varying but little, formed like rounded pincers : legs very large, fringed with long slender hairs : hind-border of the wings prolonged even to the base; reticu- lation very line and very close, quite unvarying; humeral part form- ing less than half but much more than one-third of the length of the wing ; pterostigma anomalous, only appearing in the female, or obsolete, or also appearing a little in the male. 3 I- '2 590 AGRIONIDiE. Sub-gen. 1. SYLPHIS. Alee immodice angustae. Pedes abnormes, breviter ciliatee. Spatium basilare librum, Tubereula post occipitis latera duo. Sector praecipua mediana uon aut vix contigua. Alae in utroque sexu hyalinoe ; vena costalis metallica. Sylphis, Hagen. 1. Calopteryx elegans. Statura magna. Alee valde angiistce, hyaUncB.Jiavescente tinctcB ; reticulatio rufescens ; vena costalis chalyhea ; venula ante cu- bitales 30. Mas. Ignotus. Fcemina. Caput viride, metallicum. Labrum, labium, nasus omnino^frontis latera, et antennm rufescentia. Thorax rufes- cens, vittis duabus lateralibus latissimis duplicatis chalybeis unaque dorsali viridi. Abdomen viride, lateribus ventreque rufescentibus. Pedes fusci. Calopteryx elegans, Hagen. North America. 2. Caloptebyx angustipennis. Statura magna. Ala; angustce, hyalince, viridi lucido tinctce ; reti- culatio viridescens ; venula antecubitales 29. Mas, Viridis, metallica, nitens. Labrum, labium, et antenna basi pallide Jlavescentia. Pedes niyri. Foemina. Ignota. Calopteryx angustipennis, De Selys. a. Georgia. From Mr. Abbot's collection. Sub-gen. 2. CALOPTERYX. Alae latae vel sat angustas ; spatium basilare librum. Pedes mediocres, aut longi ; ciliae mediocres, vel longse. Calepteryx, Leach. AGRIONID.E. 591 Group 1. Type C. Virgo, Sector praecipua mediana conlig^ua. Foemina pseudopterostig- mate albo (C. apicali excepta). Tubercuhe duo post oceipitis latera. Sub-gvoup 1. Vena costalis viridis, nietallica. Maris ala; ex parte opacse {C. cxul excepta ?) 3. Calopteryx apicalis. Statura parva. Corpus viridc^ metallicum^ subtus suiiiris pedibus- que niyricantihus. Ahe angu.stcB, ht/alinfe, siibviridescentes : vena costalis metallica ; vemiUe antecubilales circiter 20. Mas. Alarum pars 8a apicalis subito saturate fusca. Foera. Thoracis suturcc laterales snhjlavescentes. Pterostiijma nul- lum. Abdominis segmentum lOum mucrone dorsali nulln. lateribus non denlatis. Calepteryx apicalis, Burm. Handb. Ent. ii. 2, 827, 8. Pennsyh 4. Calopteryx dimidiata. Mas et fcem. Viridi-cenea ; alis luteo-rufescentibus, apice late obscure cceruleis (mas), late nigricantibus, pterosligmatc albo (foem.) Statura sat par va. Corpus viride, mctnlliciim, subtus suturis pedi- busque nigricantibus. Ahe angustte, hgalincp, subflavescentes : vena costalis metallica ; pars quarta apicalis subito saturate fusca (colore fusco in /(onina nonnunquam obsoleto). Mas. Venultc antecubi tales 2;3 — 30. Foemina. VcnuUc antecubitales circiter '20. Nodus basi quam jiti- rostiginate propior. Pterostigma album rotundatum. Abdo- minis segmeiitum \Oum )nHcr. Calopteryx dimidiata, Ramb. Hist. Nat. Ins. Near. 223, 7. /h Selgs. 3 F 3 592 AGRIONID^. Calopteryx papilionacea ? Ramb. Hist. Nat. Ins. Neur. 222, 6. Viridi-cenea, vel viridi-ccerulea, nitens ; thorace tenui ; alls fuliginosis, nitidis^ ad basim dilutioribus, dilatatis, in foem. dilatioribus apice excepto, pterostigmate albo, maximo. United States. 5. Calopteryx maculata. Corpore viridi-nitente ; alis fuscis, subnigris, albo maculatis. Statura parva vel mediocris. Corpus saturate viride-metalli- cum ; subtus, suturis antennisque nigris. Alee inmarepra- sertim valde dilatatce ; vena cos talis metallica ; venules ante cubitales in anticis 25 — 30. Pedes nigri, sat longe ciliati ; ti bice fuse ce {in immaturis extus Jlavescenies). Ma?. Alee nigrce, opncce, fulgidcBf basi extrema pauUo lucidiore, in immaturis fumato-hyalince. Foem. Al(B fumato-hyalince^ triente apicali sensim obseuriore ; nodus basi quam pterostigmate propior. Pterostigma album, latissimwn, subquadratum. Abdominis segmenta tria apiculia striga dorsali ftava ; \0i spina apicalis acuminata, flava ; mucrones laterales obtusi, dentati. Libellula maculata, Pal. Beauv. Ins. Afr. et Am. Neur. 85, pi. 7, f. 3. Calepteryx maculata, Burm. Handb. Ent. ii. 829, 17. Calopteryx maculata, Ramb. Hist. Nat. Ins. Near. 222, 5. De Selijs. Calopteryx cognata ? Ramb. Hist. Nat. Ins. Neur. 222, 4. Fcem. Viridi-cenea ; alis luteo-subrufescentibus, apice obscurioribus, pterostigmate magno lato, albo. United States. a — d. Georgia. From Mr. Abbot's collection. e. ? Presented by J. W. Evans, Esq. 6. Calopteryx Vieginica. Statura magna. Corpus vinde-metallicum, fwmincB viridi-cupre- um, subtus sulurisque nigricantibus, pectoris maculis nonnul- lis, abdominisque segmenti 2i striga laterali flavis. Oris latera livida. Alee hijalincB subfiavescentes, non dilatatce, api- cibus (quaria parte in anticis triente in posticis) opacis, mare nigricantibus, foem. fuscis ; vena costalis metallica; venulce. antecubitales in anticis circiter 30. Pedes nigri, ciliis medi- ocribus. Mas. Labrum et antenna nigra. Abdominis segmentum lOum subtus flavum. AORIONID^. 693 P'cEm. Lahrum lividum, niijro marginatum et fasciatum. Anten- na articulo 2o livido. iSiodus pterostiymate (juam bast pro- pior. Pterostigma album, sat Ionium, venidis triinsversis nullis. Abdominis latera, seymenta tria apicalia subtus stri- gaque dorsali Jiavescentia ; se/menlum lOum spina apicali acuta ; mucrones laterales mediocres, vix dentati. Agrion virginica, Westw. ed. Brurtj, Ins. i. 118, pi. 48, f. 2. Libellula Virgo, y., Drury, Ins. i. pi. 48, f. 2. Calepteryx niaternii. Say, Jouni. Acad. Nat. Sci. Phil. viii. 32, I. Caleptervx opuca, Say, Journ. Acad. Nat. Sci. Phil. viii. .32, 2. Calepteryx aeqiiabilis. Say, Journ. Acad. Nat. Sci. Phil. viii. 33, 3. United States, Canada. a — d. Mount Pleasant, Ohio. Presented by tbe Entomological Club. e. Canada. Presented by Dr. Barnston. f, g. Georgia. From Mr. Abbot's collection. h. ? 7. Calopteryx Sykiaca. Statura mediocris. Macula apud oris latera, labrum {nigro sub- marginatum), antennarum articulus 2?w 3i macula et thoracis sutura lateralis '2a jiavescentia. Ahe angustce ; vena costal is et reticulatio metallicce ; venuhc antecubitales 24. Pedes nigri ; femora intus, tibia {et scepe tarsi) extus Jiavescentia. Mas. Viridi-violacea ; thorace linea laUrali albida ; atis subviri- di-hyalinis, apice late nigro-subviridibus . Corpus cyaneum, vietalticum, lateribus viridi-micantibus, subtus ex parte jiaves- cens, macula pectorali obscuriorc. Alee hyalince, reiiculatione chalybea, triente apicali subito nigricante. F(Em, Corpus splendide viride-metallicum, subtus flavescens; striga dorsalis aurantiaca apud abdominis segmenta i)um et \Oum, hujus spina apicalis pnecipuc Jlava ; mucrones laterales non bene determinati ; appendices laterales JIavescentes. Alee hyalince, reiiculatione viridi melallica ; posticfc triente api- cali fusca. Nodus pterostigmate (junm busi propior. Ptero- stigma sat magnum, apice valde approximatum . Caloptervx svriaca, Gene, MSS. Ramb. Hist. Nat. Ins. Neur. 223, 9. ' Syria. Egypt. 594 AGEIONIDiE. 8. Calopteryx exul. Statura mediocris. Macula apud oris angulos, Lahrum {nigra submarginalum)^ antennarum articulus 2us, 'Si macula, et tho- racis sutura 2a lateralis Jlavescentia. AUe valde angustce, hyaUiue ; vena costalis et reticulatio metalliccB ; venulce ante- cubi tales 21, Pedes nigricantes ; tihice extus pallidiores ; femora intus Jlavescentia. Mas. Corpus cyaneum metallicum, lateribus viridi micantibus, subttis ex maxima parte Jlavescens, macula pectorali metallica. Alarum reticulatio cyaneo-choJybea. Foein. Corpus viride-metalUcum micans, subtus Jlavescens. Ala- rum reticulatio cyaneo-viridis. Nodus pterostigmate quam basi propior. Pterostigma parvmn, album, apice valde approximatum. The 9th and lOlli abdominal segments are wanting in the female specimen described. Calopteryx exul, De Selys. Algeria. 9. Calopteryx splendens. Var. Mas. Viridi-ceerulea, nitens ; abdomine subtus lineis duabus apiceque et pectoris maculis Jlavis, appendicibus inferioribus Jlavis, supra apiceque subtus nigris ; alis pallide viridibus, fascia magna nigro-ccerulea, interdum obscuris. Foem. Viridi-anea, nitens ; alis pallide viridibus. Statura mediocris vel magna. Macula apud oris angulos, labrum {nigro plus minusve marginatum et fasciatum), antennarum articulus 2us antice, et thoracis sutura lateralis 2a Jlavescentia. Al(B angustce ; vena costalis et reticulatio metalUcce ; venulo: cubitales 25 — 35. Pedes nigri. Alas. Corpus viridi-cyaneum, metallicum, subtus suturisque nigri- canfibus, pectoris maculis et abdominis segmentis duobus api- calibus subtus livido-Jlavis. Aim hyalines usque ad nodum, hinc opaccE nigro-cyanece {in immaturis cinerece), aut puncio hyalino. Spatium postcostale simplex. Reticulatio cyaneo- chalybea. Foem. Corpus viride-meiallicum resplendens, subtus Jlavescens nigro notatum. Abdominis segmenta tria apicalia dorsalia Jiavo unistrigata ; slriga apud \Oum spina acuta ejusdem coloris terminata. Mucro lateralis oblusus subdentatus. Alee AGRIOMD.E. 595 hyalina. Nodus basi quam pterostir/mate inulto propior. Pterostigma album, apice valde approximatum. Reticulatio viridis. Rocsel, Ins. 1 1 . Ins. Aqunt. c. 2, pi. 19, f. 7. Geoffr. Ins. Par. ii. 221, I. Scop. Ent. Cam. 262, 681. Var. a. 3. Var. b. 6. Agrion Vir 602 AGRIONID.E. quadrilateralem, 10 — 12 hasilares seriehus duahus. Spatium postcostale valde reticulatum. Pedes longissimi, iiigricantes, longe ciliati ; femorum apices puncto Jlavo. Mas. Corpus supra intense liridi-metallicum. Lahrum chalyhe- um. Nasus eyaneo-viridis. Thoracis sutura 2a lateralis, pectus, et abdominis segmenta 5 postica suhtus fiavescentia. AlcB anticoB apice paullo lucidiores. Foem. Caput supra, nasus, et thoracis dorsum intense viridi-metal- lica. Oris anguli, et antennarum articulus lus omnino 2us. que hasi lividi. Lahrum et labium fiavescentia ; lahrum nigro marginatum et fasciatum. Nodus hasi quam pterostig- ma propior. Pterostigma longum, album. Abdomen supra aneo-nigricans. Thoracis sutura 2a lateralis, pectus, abdo- minis margines, et striga dorsalis apud segmenta tria apicalia, fiavescentia ; segmentum \Oum spina dorsali ; mucrones late- rales dentati. Calopteryx basilaris, De Selys. Silbet. China. a, b. Silhet. From the Rev. J. Stainforth's collection. Genus 2. NEUROBASTS. Antennarnra articuli lus et 2lis aequales. Maris alae anticae et posticse colore dissimiles. Sectores nodalis et mediana bifiircatae. Neurobasis, De Selys. Sub-gen. 1. NEUROBASIS. Alse sat latae. Spatium basilare reticulatum. Pedes longis- simi, confertim ciliati. Neurobasis, De Selys. Group 1. Type C. Sinensis. Tubercula post occiput nulla. Sector praecipua mediana non contigua. Fcem. pseudopterostigma album (nonnunquam nullum), inter nodum et alae apicem. Alae hyalinae (maris posticis exceptis). Vena costalis metal- lica. AGRIONID.E. 603 17. Calopteryx Sinensis. Mas. Virldi-fcnea ; alts anticis hjalinis^ posticis supra viridi-vio- laceis, nitidis, apice fascis, sublus aureo fascu-virescenti/nts. Fccm. Alis posticis infumatis, slicjmate donyalo albo, anticis stigmate minuto punctoqiie medio marjinis antici albis. Statura sat magna, gracilis. Corpus intense viridi-metallicum. Labrum et labium Jlava, ilium puncto nigro. Alee vix dila- talce. Reticulatio stipata. Spatium postcostale complicatum. Nodus fere apud aUc longitudinis diinidium. Vennlce basila- res 9 ; antecubitales 34—42. Pedes longissimi ; femora tenea intus Jlava ; tibia; nigrce, extusjlava, ciliis nigns. Mas. Labrum nonnunquam apud medium nigro marginata)n. Thoracis suturce diuc laterales pectusque Jiava ; suturce hume- ralis et \a lateralis fuscce. Alee antica hyalina;, subvirides- centes. Reticulatio in venis pritnariis preesertim viridi-metal- lica. Nodus lucide fuscus. Alee poslicee opacee, viridi aut cyaneo-mctnlliccc, triente apicali subito obscure fusca. Reti- culatio viridis. Abdomen longissimum, subtus nigrum. Foem. Thoracis suturce humerales, laterales tres, pectus, fastigium dorsale, et abdominis la tera Jiava ; hujus segmentum \Oum spina dorsali et mucronibus lateralibus acutis. Appendices anales Jlavescentes. Ahe hgalince. Reticulatio rufescens. Vena costalis viridi-metallica. Venulat postcubitales 18 — 30. Punctum nodale et pterostigma alba, hoc {nonnunquam fere nullum) inter nodum et ahe apicem, in alis posticis longius. Alee anticce Jla>-escente tinciee, poslicee Jlavescentefusco tinvtic triente apicali obscuriore. East Indies. China. Stirps Indica. Mas. Labrum nigro C(mfertim marginatum et fasciatum. Fa3m. Alee fere limpidec. Punctum nodale et pterostigma nulla aut vix ulla. Var. florida, Ilagen. East Indies. Lil)ellula Sinensis, Linn. Si/st. Nat. ii. 904, 16. Fabr. Sp. Ins. i. 523, 21 ; Mant. Ins. i. 337, 22 ; Ent. .Sgst. ii. 374, 26. Edw. Aves, 1 12, pi. 1 12. Gmel. ed. Sgst. .\at. i. o, 2o23, 16. Agrion nubilit;it;i, Fabr. But. Sgst. Suppl. 388, 4. Culoplervx Cliiiieusis, Dunn. Ilnndb. Ent. ii. 828, 1 ? Ramb. Ilist. Nat. Ins. Near. 22(.;, 16. Dc Selgs. 3 (; 3 604 AGRIONID^. Var. Mas et Foem. Viridi-agnea ; alis flavido-rufescentibus, anticis in mare tantum margine antico apiceque, in foem, anticis, pallidioribus, puncto cubitali in omnibus, posticis pterostigmate ab apice remoto albis. Calopteryx disparilis, Ramh. Hist. Nat. Ins. Neur. 224, II. a. China. Presented by the Entomological Club. h. China. Presented by J. W. Evans, Esq. c. China. From Mr. Larking's collection. rf, e. Nepaul. Presented by Major-Gen. Hardwicke. /— /. North India. From Mr. Stevens' collection. m. North Bengal. From Miss Campbell's collection. n, o. Silhet. From Mr. Stainforth's collection. p. Silhet. From Mr. Sowerby's collection. q. Borneo. From Mr. Low's collection. r. ? 4", t. Ceylon. Presented by E. Templeton, Esq. Genus 3. ECHO. Sectores omnes simplices, non bifurcatae. Nodus fere apud alsB dimidiura. Pterostigma magnum, regulare, rhoraboideum. Echo, De Seli/s. Sub-gen. I. ECHO. Antennarum articulus lus occultus, 2us longiis. Spatium basi- lare reticulatum. Pedes sat longi. Echo, De Sel2/s. Group 1 . Type C. margarita. Arculi sectores ab origine disjunctae ; prsecipua mediana conti- gua. Alge (maris ?) et foeminae ex parte opacse ; vena costalis non metalliea. AGEIONID^. 605 18. CaLOPTERYX MARGARITA.. Mas. Ignotiis. (Altc opacae nigro-nitidie ? ?). Foein. Stattcra majna, (jracilis. Corpics niprican.^, aneo varium. Lahriun nif/rum, nitens. Nasus viridi-metallicus, obsciirus. Antennariun articulus '2us basi livid us. Ala sat laUc, hi/alince, quartario fere apicali siibito niij ricante-fiisco fuhjido intusque subconvexa. Pterostigma album, breve, poslice rolundatum, props alcB apicem fuscoque inclusum. Reticulatio valde sti- pata, nigra. Venulcc antecubitales circiter .30 — 37, postcubi- lales 57, basilares 6 — 9. Spatium postcostale sat simplex. Calopteryx margarila, De Selys. China. Sub-gen. MNAIS. Antennarura articulus lus occultus ; 2us longus. Spatium basilare librum. Triauguli sectoris 2ie ramus inferior extus arcua- lus. Pedes sat longL Mna'is, De Selys. Group 1. Type C. pruinosa. Arculi sectores ab origine disjunctae ; praecipua mediana conti- gua. Alae (maris et fcem.) non opaca?. Vena coslalis non raetallica. 19. CaLOPTFRYX SrRIGATA. Statura magna, robusta. Labrum et nasus viridi-metallica. Thoracis latera strigis duabus arcuatis Jtavis. Ala sat angusta, hyalina, subviridcscentes. Reticulatio nigra, dif- fusa. Spatium postcostale simplicissimum. Vena costalis et mediana fusca. Ala anlica venulis circiter 2() antecubi tali- bus et .'3() postcubitalibus. Pedes nigri. Mas. Caput su})ra et thoracis dorsum aneo-viridia. Antenna nigra. Ptemstigina rufum, mediocre. Abdomen saturate aneum,, basi apiceque subpruiriosum. 606 AGEIONID.E. Foem. Anlennarum articulus 2us puncto basali jiavo. Caput supra, thoracis dorsuoi et abdomen intense cenea rufescente irradiata. Pterostigma albo-Jlavum, pauUo brevius. Caloptevyx strigata, Hagen. Japan. 20. CaLOPTERYX PRUINOSA. Mas. Statura magna, robusta. Caput supra, thoracis dorsum et abdomen ciipreo ceneo-viridia. Labrum et iiasus viridi-metaU lica. Antenncenigra. Thoracis latera strigis duabus arcua- tis Jlavis (illius dorsum et latera in adultis pruinosa). Alee subdilatatcB, ochraceo-JlavcB, apud medium paullo saturatiores et infuscata, triente basali hyalina. Reticulatio lucide rufa, sat diffusa. Pterostigma rufescens, mediocre. Alee anticce venulis circiter 28 antecubitalibus et 30 postcubitalibus. Spa- tium postcostale simplicissimum. Foem. Ignota. Calopteryx pminosa, De Selys. Japan. Sub-gen. 3. SAPHO. Antennamm aiticuli lus et 2iis occulti ; 2us robustus, brevis. Spatium basilare libruni. Trianguli sectoris 23B ramus inferior intus rejectus. Sapho, De Selys. Group 1. Type C. ciliata. Arculi sectores origine eadem ; praecipua niediana non aut fere conligua. Alae maris ex parte opacge ; foeminae hyalinse. Vena costalis rnetallica. 21. Calopteryx bicolok. Statura magna., valde robusta. Corpus viridi-metallicum, micans, abdomine intensiore, subtus nigricans subpruinosum. Anten- narum articulus 2us et thoracis sutura 2a lateralis ex parte AGRIOMD.E. 607 Jiavescentes. Alee latce, postica apud medium valde dilatnlce. Reticulatio nigra, apud costam viridi-metallica. Spatium postcostale sat simplex. Ahp antica venulis 31 — 33 antecubi- talibus, 38 — 42 postcubitalibus. Mas. Pectus nigrum. Alee hi/alina, limpida, paullo plus quarta- rio apicali subito nigro-violaceo fulgido colore intus concava. Pterostigma longum, latum, nigricans. Pedes nigricantes {in adultis pruinosi). Foem. Pectus Jiarescens. Ala hyalince, vix sordidce, paullo plus quartario apicali fiavcscente sordido tincto, colore intus con- cavo. Pterostigma sat longum, latum, flarutn, nigro margina- tum. Abdominis segmentum \Oum spina nulla dorsali. Ap- pendices anales nigricantes, segmento lOo paullo longiores. Pedes nigricantes ; femora intus flavescentia. Calopteryx bicolor, De Selys. Guinea. 22. Calopteryx ciliata. Statura magna, robusta. Ala latce. Spatinm postcostale sat si)n- plex. Reticulatio nigra, apud costam viridi-metallica. Sec- tor prcccipua mediand in puncto fere contigua. Alee anticce venulis 30 — 35 antecubitalibus, 35 — 40 postcubitalibus. Mas. Corpus (aniennis inclusis) supra intense cyaneo viridi-metal- licum, subtus suturis pedibusque nigrum. Alw opacce, nigro- fulgidce, viridi-irradiatce {in immaturis cinereo-hi/alina). Pte- rostigma mediocre, nigrum (in immaturis cincreum). Fcem. Corpus supra saturate viridi-metallicum {in adultis anen- viride), subtus nigricans. Antennarum articidus 2us antice, et thoracis sutura 2a lateralis Jiavescentes ; suturcB caterce, pectus pedesque nigra. Abdominis segmentum \Oum spina dorsali. Appendices anales nigricantes, segmenti ultimi lon- giiudine. Alee hyalince, subcinerescentes {in adultis subjtaves- centes). Pterostigma mediocre^ Jlavescens, nigro margina- tum. Agviou ciliata, Fabr. Guinea. a, b. Siena Leone. Presented hv the Rev. D. F. Morgan. c. Silhel. From Mr. Sowerby's collection. d, e. ? H08 AGEIONIDiE. Genus 4. PHAON. Nodus fere apud alae dimidium. Pterostigma minimum vel nullum, mare Scepe fasciatum, fo^niina nullum (?). Trianguli sector la bifurcata, in alls anticis saltern. Spatium basilare semper librum. Phaon, De Seli/s. Sub-gen. 1. CLEIS. Antennarum articulus lus vix conspieuus ; 2us brevis, robus- tus. Trianguli sectoris 2a? ramus inferior iutus rejectus. Spatium postcostale apice complicatum. Cleis, De Seli/s. Group 1. Type C. cincta. Arculi sectores ab origine eadem incipienles : praecipua medi- ana contigua. Alae in utroque sexu hyalinae. Vena eoslalis metallica. 23. Calopteryx cincta. Mas. Statura sat magna. Corpus supra cyaneo viridi-metallicum, subtus, anteniiis, suturis, pedib usque nigris. Alee suhdilatatce^ hi/alincB, subviridescentes, fusco vix Ihnbatce. Reticulatio nigra, stipata, apud cosiam metallica. Pterostigma parvum, elongato quadratum, fuscum {nonnunquam et venula abnormi) permeatum. Ahc anticce vcnulis 36 — 38 antecubilalibus^ 60 — QQ postcubitalibus. Spatium postcostale sat simplex. No- dus fere apud longiludinis dimidium. Foem. Ignota. Calopteryx cincta, Hagen. Guinea. AGEIOMD.E. 609 Sub-gen. 2. PHAOX. Antennarura articuli lus et 2us aequales. Trianguli sectoris 2» ramus inferior extus areuala. Spatium postcostale usque ad apicem simplex. Pedes longi. Pliaon, De Selys. Group 1. Type C. iridipennis. Arculi scctores ab origine eadem incipientes ; pracipua medi- ana non contig-ua. Alae in utroque sexu hyaliuae. Vena costalis non metallica. 24. CaLOPTEEX lUIDIPENNlS. Statura magna, gracilis. Corpus viridi-metallicum. Labrum, labium, frons, antenna, thoracis vitta duplex, sutura- una humeralis et trcs laterales, pectus (in adultis pulverosum), abdominis segmenti 2i striga dorsalis, lateraque rufo-flava. Alec apud medium vix dilatatfc, liyalincv, suhiridescenlvs, pos- tic(B prccsertim suhsordidce et jiavescente tinctce. Reticnlatio diffusa, omnino nigricans. Vcnuhe in anlicis 22 — 29 antecu- hitales, 28 postcubitales. Nodus fere apud alee medium. Pe- des jiarc seen tes, tihiis extus ciliisque longis nigris. Mas. Luteo-teslacea ; dorso viridi-ecneo ; alis anticis limbo luteo, disco cccruleo micante, posticis luteis. Corporis color Jlavus et rufescens minns dijfusus. Pterostigma parvum fuscton {sape venula permeatum) aut nullum. Fa'm. Color Jlavus el rufescens magis diff'usus. Pterostigma nul- lum. Calopteryx iridipennis, Burm. JIandb. Enl. ii. 827, 9. Eupha3a iridipennis, Ranib. IJisf. Nat. Ins. Xeur. 232, G. Calopteryx iridipennis, De Selgs. Guinea. Port Natal. 610 AGEIONin.E. Genus 5. VESTALIS. Nodus fere apud alse trientem basalem. Pterostigma nullum. Sectores nodalis, mediana, et trianguli la bifurcatse. Spatium basi- lare semper librum. Vestalis, De Selys. Sub-sen. 1. VESTALIS. Antennarum articulus lus brevis, semi-annuliformis ; 2us longus. Trianguli sectoris 2ae ramus inferior extus arcuatus. Spa- tium postcostale usque ad apicem simplex. Sector preecipua medi- ana contigua. Vestalis, De Selys. Group 1. Type C. luctuosa. Arculi sectores ab origine disjuncti. Alae maris opacae, foeminse hyalinse. Vena costalis non melal- lica. 25. Calopteryx luctuosa. Mas et foem. Viridi-ccerulea. Mas. alls crispis fusco-violaceis basi dUutiorihus. Fcem. alis crispis, rufescentihm vel aureo- riifescentibus, vena nujra cinctis. Statura sat magna, gracilis. Alee valde plicata, apud medium paidlo dilatatce. Nodus apud trientem longitudinis. Alee anticcB venulis 30 — 34 antecubitalibus, 55 — 80 circiter post- cubitalibiis. Pedes longi, nigri {fceniincB femoribus posticis intus fuscis). INIas. Corpus supra cyaneo-chalybeum, meiallicutn, subtus anten- nisque nigrum. AlcB opacce, nigro-fvscce, violaceo-iridescentes , basi paullo lucidiores {in immaturis fere hyalince apice obscu- riores). Reticidatio nigra, sat stipata. Appendices anales supers intus dilatatce, apice truncata;. Foem. Corpus supra saturate riridi-meiallicum. Labium nigrum. Antennarum articulus 2us thoracis sutura 2a lateralis et pectus AGRIONID^. 611 Jlavo-rufa . Alee hi/aUn(e,Jlavescentes. Reticulatio rufesce?is, apwl coslam nigricans. Abdomen viridi-teneum ; seninenLum \Oum spina mediani ralida^ vnicronibus lateralihus tenuiori- bus. Appendices anales fusccB. Calepteryx luctuosa, Burm. Handb. Ent. ii. Calopteryx formosa, Ramb. Hist. Nat. Ins. Neur. 225, 12. Java. Japan. a, b. Java. From Mr. Argent's collecliou. Group 2. Type C. gracilis. Arculi sectores origine eadem incipieutes. Alae maris et foem. hvaliuse. Vena costalis non metallica. 26. Calopteryx am(i;na. Stalura magna (?) gracillima. Corjius supra saturate viridi-metalli- cuniy subtus nigricans. Tlioracis sutura '2a lateralis^ margn posterior^ et pectus ex parte flavescentia. Alee angustce, hyalincB, vix plicatce, subiridescentes. Reticulatio nigra., simplicissima. Venulce in anticis 26 — 27 anfecubitales, 55 circiter postcubitales. Nodus apud trientem longitudinis. Spatium postcostale simplicisshnum. Mas. Labri macula ducc et antennarum articulus 2us bast Jlava. Appendices anales superiores non dilatatce, apice truncatce et fere bifida. Pedes nigri ; femora poslica basi intus fusca. Foem. Labrum et antennarum articulus 2us Jlavescentia. Abdominis segmentum lOum spina mediana et mueronibus lateralihus longis. Appendices anales nigri. Pedes 7iigri, femoribus posticis intus tibiisque posticis extus fuscis. Calopteryx amcena, Hagen. Sumatra. 27. Calopteryx gracilis. Mas et foem. Viridi-cenea ; pectore lineisque tribus lateralibus thoracis Jiavidis ; abdcmiine gracilis in mare elongato appcyidi- cibtis superioribus apice dilatatis ; alls (in mare anticis tan- tian margine antico) subjiavidis. 3 H 612 AGKIONID^. Statura magna, gracillima. Corptis supra splendide viridi- metallicum. Rhinarium, frontis striga, antennarwn articuli Itis et 2us, pectus, suturcc humerales et laterales, ahdominisque margo, pallide Jlava. Alee apud medium vix dilatatce, pli- catce, hi/alince, vix iridescentes ; maris anticce apud niargines, fceynince omnino, et posticce in utrcque sexu Jtavescente tinctce. Reticulatio stipata, nigricans (venulis nonnuUis transversis antecubitalibiis Jlavescentibus exceptis) ; mediana et sector superior rnfescentes. Spatium postcostale simplex. Alee anticce venulis 28 — .36 antecubitalibus, 46 — 58 circiter posi- cubitalibus. Nodus apud bis trientem longitudinis. Pedes longi, Jlavescentes, ciliis nigricantibus, femoribus extus tibiis intus tarsisque fuscis. Mas. Appendices anales superiores intus dilatata, truncates, apice crenulatcB. Foem. Abdominis segmentum lOumspind dorsali duabusque latera- libus. Appendices anales fuscce. Calopteryx gracilis, Ramb. Hist. Nat. Ins. New. 224, 10. De Selys. Bombay. Java. a — c. Silhet. From the Rev. J. Stainforth's collection. Div. 11. HETiERINA. Quadrilateralis antice eonvexa, latere externo latiore. Hetaerina, Hag en. Genus 6. HET^RINA. Alae longee, non petiolatae. Mas. Corporis color fundatus aeneus, rufescens, fuscus vel niger. Alae hyalinae {H. Titia excepta), macula basali rufa ; antics spatio postcostali areolis plurimis abiiormibus repleto. Fcem. Corporis color fundatus viridi-metallicus vel aeneus. Ala? hyalinae {H. Titia excepta), plus minusve flavescentes aut sordid SB. Hetaerina, Hagen. Tropical America. A.GRIONID.E. 613 Sub-gen. 1. LAIS. Corporis color fundalus aneus, aut viridis aut niger. Alae hyalinaj (//. pudica excepta) ; spatium postcostale seriebus duabus areolarum norinaliuni. Lais, Hagen. (Tropical South America). Group 1 . Type //. hyalinn, Mas et Fcem. Occipitis tubercula bene determinata. Ah hyalinae, sat angustae. Pedes longi. Sub-group 1. Guttula apicalis fusca apud maris alas posticas. 1. HETiERINA GLOBIFERA. Statura maxiitia. Carpus nigrum. Lahrum JJavian, nigra fas- ciatum. Epistoma cynnea-metnllicnm. Antennarum articu- ttts 2iis Jlavus. Thoracis latera strigis duabus JJavis. Ala angustce hgalincB ; venules antccuhitales 18 — 23. Pvdvs nigri. Mas. Corpus nigrum. Thorax fasciis ariticis nullis. Alee pos- ticce macula apicali parva, anticavcstigio nannunquam. Ab- domen al is fere duplo longius ; segmentum lum tuberculu subtus valida. Appendices svperiares dilataUc ibique dentes duas apud bis trientem longitudinis approximatas Jingentes ; inferiores approximatcc, (/uintiei pneccdentium langitudine. Fcem. Thorax anlice fasciis duabus aurantiacis strigaque humerali. Altc subflavescentes. Abdomen brcius ; segmentum \ mn subtus tubercula parvo nigra. Hetctrina globifera, Ilagen. Brazil. Colombia. 3h 2 614 AGEIONID.E. 2. Het^rina ^nea. Siatura minima. Corpus (eneo-violaceum aut rufo-cupreum, in fcemina prasertim micans. Caput nigrum. JEpistoma viu- laceo-metallicum. Alee ayigustcs, hyalince. Pedes nigri. Mas. Thorax linea; lateralis pallidcB vestigio. Alee hyalina; ; venuhe antecuhitales incertce ; alee anticce macula apicali sat magna. Abdomen alis paullo longius. Appendicium supe- riorum dilatatio dentes duas medianas approximatas fingens ; appendices inferiores superiorum trientis longitudine. Foem. Antennarum articulus 2us, thoracis vestigium humerale, et linecB 3 laterales angustce, pallide Jtava. Alee hyalince sub- sordidcB ; venulce 22 — 26 antecubitales. Hetserina aenea, De Selys. Para. 3. Het^eina cupe^a. Statur a minima. Corpus ceneo-violaceum. Caput nigrum. Epi- stoma violaceo-metallicum. Alee angustce. Pedes nigri. Mas. Alee hyalince, striga nigra inter subcostalem et mediayiam a basi usque ad nodum ; venulce antecubitales 28 — 32. Alee anticcB macula apicali sat magna. Abdomen alis paullo Ion.- gius. Appendices ut in H. a?nea. Foem. Ignota. Hetaerina cupraea, De Selys. Brazil. a. Para. From Mr. Stevens' collection. 4. Het^rina hyalina. Mas. Statura mediocris. Epistoma viridi-ceneum . Labrum et labium nigra., illius margines laterales subjiavescentes. Tho- rax ceneus, lineis duabus lateralibus angustis fiavis. Alee sat angustce, hyalince; posticce apice subsordidcs, fuscesventes ; venulce antecubitales 20, Pedes nigri. Appendices ignotce. Foem. Ignota. Hetaerina hyalina, Hagen. Brazil. AGEIONID^E, 015 Sub-group 2. Alas guttula apicali nulla. j. Het.erina pruinosa. Statura mediocris. Corpus (cneum obscurum. Lahrum Jiaves- cen.i, ba.si nigrum. Vestiyium humerale, et thoracis lini'(t tres laterales angustce, fiavescentia. Alec sat lattc ; vetiuUc antecu- bitales 18—20. Mas. Al(c hyalincc ; anlicos basi suhlacteu' ; striga fusca nitida inter medianam et subcostalem a basi usque ad uodum. Ap- pend iciuui super iorum dilatatio denies duas trans viediuni Jin- gens, '2ani acutam ; ajipendiccs inferiores superioribus dup/o breviores. Pedes nigri ; femora in t us fusca aut pruimisa. Fcem. Antennarum articulus 2us Jiavus P Ahc hyalincc, subjlairs- centes. Femora intus Jiavescentia ; tibice extus fusca . HetJErina pruinosa, Hagen. Brazil. Group 2. Type H. pudica. Occipitis tubercula vix ulla. Alae valde dilatata^, maris rufae, ftcminae fuscaj. Pedes sat breves. Ala^ apice hyalinae. 6. Het^rina ihidica. Statura par rn. Epistoma nigrum, 7iitens. Labri latera, et anten- narum articulus 2us {linea humeralis et striga dtue lateral* s in fa:minis et immaturis) flava. Ala latissima ; vcnulee 17 — U) antecubi tales. Mas. Thorax aneo-cupreus, linea lateral i angusta flava. Ala rufa (in immaturis fusca), vix quintie apicali limpida ; viargo anticus fuscus. Abdomen nigrum. Appendiciuia su- periorum dilatatio post medium denteni validam Jingens : appendices inferiores suf>eriorum dimidio longioycs. Fa-m. Corpus saturate toicum. Al(C infunuita, antice j)rasertiin, basi et medio fuscce. Femora postica basi intus flava. Heta^rina pudica, Ilagen. Brazil. 3 n :3 616 AGRIONID.E. Sub-sen. 2. HET^RINA. Alee longop, non petiolatae : sector prsBcipua mediana contigua ; nodus paullo ante alee medium; quadrilateralis reticulata, arcuata, apice latior; spatitira basilave reticulatura ; sector inferior trianguli valde arcuata. Antennije articulo lo occulto seraicirculari. Pedes long'i. Abdomen mavis longissimum, foeminEe brevius. Maris ap- pendices anales superiores semicirculares forcipem fingentes, nirirgine infirao bidentato vel tridenlalo ; inferiores plus minusve cylindricee, semper brevissimse. Group 1. Type H. Caja. Alee angustce ; pterostigma nullum. Sub-group 1. Tibins nigr®. Aloe anticee apice hyalinae ; posticag guttula apicali rufa. 7. HeT^EINA SiajPLEX. Statura parva. Occipitis tubercidavix ulla. Venuhe 14 — ISante- cuhitales. Mas. Caput supra, epistoma et thorax (Bueo-ciiprea ; hie lineis tri- hus lateralihus Jlavis tenuissimis {macula lateralis labii, antenna: basi, LinecB humerales tenues pectorisque macula in iinmaturis, jiava). Labrum nigrum. Appendices superiores dilataiione mediana lata, apice incisa et dente parva acuta terminata ; inferiores dimidio breviores, apice attenuate. Pedes nigri. Foem. Labrum flavuin, nigra tnarginatum et fasciaium. Epi- stoma et vertex csnea. Frons viridi-metallica. Antennce basi ftavce. Thorax fiavescens, fascia mediana et lateralibus tri- bus, una completa, tribusque incompletis viridi-aneis. Pro- thorax viridis flavo miculatus. Pectus nigro maculatum. Segmenti \0i abdominalis carina completa, mucrone brevissimo terminata. Pedes nigri ; femora intus basi nonnunquam rufescente notala. Hetserina simplex, De Selys. Minas Geraes. AGRIONID.E. 617 8. Het.erina sanguinea. Statura parvn. Occipitis tuberculn vix ulla. Mas. Labrxun flavum, nhjro maryinatum ct fasciatum. Epistoma saturate I'ufo-capreinn^ fascia aiitica Jlava. Thorax ceneus, antice violaceiis, linea humerali trihusqiie latcralibus Jiavis. Pectus flavesceus, nigro maculalum. Alarum venulce antecu- hitales 23 — 25 ; macula basilaris anticarum quadrilateralein vix superans, posticarum scite fusca, quadrilateralcm nan supe- rans, apud postcostalem terminata ibisque antice usque ad illius di)nidium et ad nodum extensa. Abdominis seqmentum lOum brevissimum ; appendices superiures illo fere duplo longiores, dilatata el apud medium dentem lonyam angulo recto fingcates, cxcavationibus duabus posticis ; inferiores "^uperiorum quadrantc ceqnales, crasscc, truncatce, fere furcatce. Pedes nigri ; femora postica dimidio interno fiavescente. Foem. Thorax viridi-metallicus, siriga humerali tribusque latcrali- bus latinribus flavis. Ala fuliginoscc, basi subflavce, venuUs 2j ante cub italibu,-;. Pedes nigri. ifetaerina sanguinea, De Selys. a — d. Para. From Mr. Stevens' collection. e~h. Tapayos. Brazil. From Mr. Stevens' collection. i. Venezuela. From Mr. Dyson's collection. ./ ? 9. Het.erina kosea. Statura par»a, gracilis. Mas. Labrum flavum, macula par va basali mediana nigra. Epi- stoma cenco-cupreum. Frons fascia fusca. Antenn(B basi flavescentes. Prolhoracis lobus anticus fiavescente marginatus. Thorax (emus, antice rufo-cupreus, strigce humerali tribusque lateralibus flaves^ntibus. Pectus flavescens, nigro macula- turn. Alarum vcuulce antecubitales 19 — 21. Anticarum macula basalts apud medianam vol apud submedianatn inci- piens, quadrilateralcm )ion trausiens : posti; tibiisque intus flavescentibus. ••3 I 3 628 AGEIOMD.E. Mas. Vertex et frons aureo-virides . Epistoma (sneo-viride. La- brum rufescmte flavum, macula mediana. Antennarum arti- cuius 2us jiavescens. Prothorax ceneus. Thorax antice cupreo-vij'idis, laterihus aneis, sulura hiimerali et la laterali temiiter ftavis, 2a et inargine posticn late fiavis. Pectus jia- vum. Alarum vena antecuhitales 20—24. Pterostigma sat magnwn, Jiavescens. Macula basnli.t basi ad nodum dimidii longitudine in alls anticis quadrilateralem paullo superans^et extus subconvexus nee ante medianam incipiens, in alls posticis extus fere recta et marginem posticum fere per omnem ejus lon- gitudinem atiingens, elongatione antica elementaria. Appen- dices Jlavpsce?ites, apice nigra; superiores in dentem medianam latam intus vix concavam subito dilatatce ; inferiores obtusas superioribus triplo breviores. Foem. Corpus (eneo-vlride. Capitis fascia antica interrupta, labrum, et antennarum articulus 2usflava. Agrion americana, Fabr. Ent. Si/st. Suppl. 287. Calepteryx americana, Burm. Handb. Ent. ii. 826, 4. Calopterjx americana, Ramb. Hist. Nat. Ins. 228, 18. De Selijs. United States. a. North America. From Mr. Dyson's collection. Siil)-group 2. Mas etfceni. Alee maris apice fusco lirabatse. Pedes nigri. 24. Het.erina moribunda. Statura parva. jMas. Caput supra nigrum. Epistoma cupreo-fuscum. Labrum Jiavescens., nigra marginatum et fasciatmn. AntenncB basi Jlavescentes. Prothorax nigricans. Thorax antice rufo- cupreus, lateribus ceneis, siitura humerali et \a laterali an- guste, 2a laterali, margine postico pectoreque obscure Jlavescen- tibus. Alarum venules antecubitales 27 — 28. Pterostigma minimum, nigrum ; limbus fuscus, apud pterostigma latus ; anticarum macula basalis quadrilateralis apicem attingens, extus obtusa, ad medianam incipiens, et marginem posticum dimidio \o tantwn attingens ; posticarum macula basalts extus fere recta., ad subcostalem incipiens, postcostalem non superans, quadrilateralem non tegens, at dilatatione parva antica fusca a quadrilateral i ad nodum medium spatium AGEIOMD.l. 6*29 attimjens. Segiuenli ^Oi ahdominalis carina acuta. Appen- dices nigra ; superiores diiatatione intus subexcavata^ prope basim incipiente, ad bis trientem Innyitudinis terminata ; in- feriores duplo breviores. Pedes nigri. Foeiii. Epist(»na nigro-viride. Prothorax ceneo-niger. Thorax riifescens, anticc viridi-metallicu