ENTOMOLOGY. 



731 



ginal, and two submarginal cells, complete. Abdomen 

 terminating in a point. Oviduct exserted, composed of 

 three parts, the outer ones valviform. 



Sfi. 1. Euscicornis. 



Sir ex fuscicornis. Fabr. Klug. 



Tremex fuscicornis. Latr. 



Sfi. 2. Columba. 



Sirex columba. Fabr. 



Tremex columba. Latr. 



Division II. 

 Abdomen united to the thorax by a slender peduncle. 

 Tribe III. Evanides. 



Inferior wings with very distinct nerveurs. Antennae 

 with 13 or 14 joints. 



Genus DXXV. Evania. Fabr. Oliv. Lam. Jurine, 

 Panzer. 



Simiex. Linn. 



Ichneumon. De Geer. 



Abdomen very small, much compressed, triangular 

 or ovoid, abruptly pediculated, and inserted behind the 

 metathorax. 



* Antenna; with the third joint much longer than the 

 second. Upper wings with distinct nerveurs and 

 cells. Mandibles with their internal edge truncate- 

 unidentate. Maxillary palpi with five distinct joints, 

 the basal joint obsolete ; the last joint but one of 

 the labial palpi much dilated. Superior wings with 

 a triangular marginal cell ; first sub-marginal cell 

 distinct ; the second open ; three middle cells open 

 beneath. 



Sfi. 1. Levigata. 



Evanie tisne. Oliv. 



Evania afifiendigaster. Fabr. 



Evania Ixvigata. Latr. 



Inhabits America. 



Dr Leach has seen this insect alive in some boxes of 

 American insects, and he possesses two specimens taken 

 at large in London. 



** Antennae with the third joint much larger than the 

 second. Upper wings with distinct nerveurs and 

 cells. Mandibles with their internal edge distinctly 

 and acutely tridentate. Maxillary palpi with six 

 distinct joints ; the last joint but one of the labial 

 palpi not much dilated. Superior wings with the 

 marginal cell semi-ovate ; middle cells two ; apex 

 without cells. 



Sfi. 2. Afifiendigaster. 



Evania a/i/iendigaster. Panz. Oliv. Latr. 



Sfihcx afifiendigaster. Linn. 



Inhabits southern France, Spain, and Italy. 



*** Antennae with the third joint not much longer 

 than the second. Superior wings with the nerveurs 

 and cells obliterated. 



Sfi. 3. Minuta. 



Evania minuta. Oliv. Fabr. Latr. 



Brachygaster minutus. Leach's MSS. 



Inhabits France and England. 



Genus DXXVI. F<enus. Fabr. Latr. Jurine, Panz. 



Ichneumon. Linn. Geoff. De Geer. 



Gasteruption. Latr. (obsolete). 



■Neck elongate. Hinder tibiae clavatc. Abdomen a 

 lengthened club. 



Sfi. 1. Jaculator. 



Ectnus jaculator. Fabr. Panz. Latr. 



Ichneumon jaculator . Linn. 



Inhabits Europe. 



Genus DXXVII. Pelecinus. Latr. Fabr. 



Neck not apparent. Hinder tibiae clavate. Abdomen 

 slender, long, and filiform. 



Sfi. 1. Polyccrator. 



Pelecinus fiolycerator. Latr. Fabr. 



Inhabits America. 



Genus DXXVIII. Aui.acus. Jurine, Spinoli. 



Abdomen elliptic, compressed, with a gradually form- 

 ed peduncle, inserted at the extremity of an elevation in 

 the metathorax. 



Sfi. 1. Striatus. 



Aulacus striatus. Jurine, Latr. 



Inhabits the Alps. 



Trihe IV. Ichneumonides. 

 Abdomen attached to the thorax by a part of its 

 transverse diameter. Inferior wings with very distinct 

 nerveurs. Antennae with 21 joints and more. 



Family I. Stefihanida. 



Mandibles terminated by an entire point, or with but 

 a very obscure notch. Head globose. 



Genus DXXIX. Stepiianus. Jurine, Illiger, Latr. 



Buacon. Fabr. Panzer. 



Thorax much attenuated anteriorly. Metathorax cy- 

 lindric, straight or horizontal. Abdomen inserted at the 

 superior and posterior extremity of the metathorax, the 

 first segment abruptly narrower than the rest. 



Sfi. 1. Coronatus. 



Stcfihanus coronatus. Jurine, Latr. 



Bracon serrator. Fabr. Panzer. 



Inhabits Germany. 



Genus DXXX. Xorides. Latr. 



Anomalon. Jurine. 



Cryptus. Fabr. 



Metathorax with the hinder segment convex, and at the 

 apex rounded. Abdomen distinctly pedunculated, in- 

 serted under the posterior and superior apex of the me- 

 tathorax. 



Sfi. 1. Indicatorius. 



Xorides indicatorius. Latr. 



Inhabits Europe. 



Family II. Ichneumonida. 



Mandibles bidentate, or notched at their extremity. 

 Division I. 



Abdomen with five very distinct segments. 

 Subdivision 1. 



Superior wings with the first submarginal cell very 

 large; the two discoidal cells situated longitudinally, one 

 above the other. 



Genus DXXXI. Ichneumon. Latreille. 



Maxillary palpi with very unequal joints. Oviduct 

 with its base not covered by a large scale, exserted. 



Obs. This genus, which has been attentively exa- 

 mined by Latreille, consists of several natural genera ; 

 but the characters are obscure, and are not yet fully un- 

 derstood. Under this head, the following genera, (or 

 parts of them), proposed by Jurine, Fabricius, Panzer, 

 Illiger, and Walckenaer, are comprehended; viz. 1. 

 Cryfitus, 2.Bassus, 3. Pimfila, 4. Jofifia, 5. Metofiius, 6. 

 Trogus, 7. Alomya, 8. Peltastes, 9. Ofihion, and, 10. Bar.- 

 elms. 



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