HYMENOPTERA. —— ICHNEUMONID. 137 
one of the most extensive groups of insects *, distinguished ( fig. 75. 1. 
Pimpla instigator: 2-13 details of this species) by having the abdomen 
attached to the thorax at its hinder extremity, and between the base 
of the posterior coxe ; the wings are veined, the anterior pair always 
exhibiting perfect cells upon their disc. The ovipositor of the 
Dalman. Pimpla Atrator in Kongl. Vet. Acad. Handl. 1825. — Ditto, Mem. on 
some Sp. of Ichn. 8yo. Stockh. 1826. 
Trentepohl. Revis. Critica Gen. Ichn. Spee. que Kiliw in Fabricii Mus. adhue 
superstites sunt. 4to., Kiel, 1825; and in Isis, vol. xxii. 1826.— Ditto, Rev. 
Critica Gen. Cryptus Fab. Isis, 1829. — Ditto, Zehn arten G. Ichneum. in 
Lund’s Samm. Isis, 1829. 
Guérin. Pimpla Atrata Mag. Zool. Ins. No. 28. 
Latreille, on Ichn. Pendulator in Bull. Soc. Philomat. t. ii. 1799. 
Boudier. Observ. sur divers Parasites in Ann. Soc. Ent. de France, tom. iii. 
Boerner. Ichn. Agricolator and murarius in Neue Nachr. der Schles. Patr. 
Gesell, 1781. 
Marsham, on Ichn. Manifestator Trans. Soc. Linn. vol. iii. 
Guérin. Voy. Coquille — Iconogr. R. An. 
Haliday, in Linn. Trans. vol. xvii. —~ Ditto, in Annals Nat. Hist. vol. ii. Oct. 
1838. 
Stephens, Curtis, Spinola, Panzer, Fabricius, Jurine, Say. 
(Ichneumones adsciti. ) 
Nees ab Esenbeck, Ichn. Adsciti in Genera et Famil. Divisi, &c. Gesellsch. Nat. 
Freunde zu Berlin Magazin, 1811, 1816 (and in Germar. Ent. Mag. 
vol. i.). — Ditto, Lapton femoralis in Gesell. Nat. Fr. Berl. Mag. 1815.— 
Ditto (with Gravenhorst) in Nov. Act. Nat. Curios, t. ix. 1818. — Ditto, Hy- 
menopt. Ichneum. Affinium Monogr. vol. ii. 8vo. Stuttg. et Tubing. 1834. 
Haliday. Classification of the Parasitic Hymenopt. of Britain, which correspond 
with the Ichneumones minuti of Linnzus in Entomol. Mag. vol. i. et seq. 
Wesmael. Monographie des Braconides de Belgique, 4to. Parts 1, 2, 3. 1835-8 
(in Mém. Acad. Royale de Bruxelles, tom. xi. and separately). 
Goeze, in Der Naturforscher, 12 Stuck. (2 Aphidii). 
Olivier, in Mém, sur quelq. Ins. qui attaq. les Cereales, 1813. (2 Sp. of Ich. 
adsciti). 
Boudier, in Ann. Soc. Ent. de France, tom. iii. 
Dahibom. Mon. Chelonusin Kongl. Vetensk. Acad. Handl. 1833. 
Schiodte, in Kroyer’s Naturhistorisk Tidsskrift, 1838. Heft. vi. (N. g. Copisura 
rimator ). 
Curtis, Spinola, Jurine, Panzer, Fabricius, Say. 
* Grayenhorst describes nearly 1650 species of European Ichneumones genuini, 
and Stephens and others have added greatly to their number. 
