Io6 BRITISH ICHNEUMONS. 



(34)- 33- Mandibles of ? sinuate beneath, of ^ 



apically sub-glabrous 16. BUCCULENTUS, IVesm. 



(33)- 34- Mandibles of 5 not sinuate below, of 



^ not apically glabrous 17. SUSPICIOSUS, IVesm. 



(32)- 35- Anus of § with two pale marks, or 



three with the first the smallest ; 



base of $ hind femora somewhat 



broadly pale. 

 (41). 36. Anus of $ with three pale marks ; 



scutellum of 1^ strongly punctate 



and strongly convex. 

 Abdomen centrally black or badious 18. LANGUIDUS, IFesm. 

 Abdomen centrally flavous or fulvous. 

 Abdomen of $ centrally fulvous; hind 



tarsi of (^ piceous 19. terminatorius, Cr^T/. 



Abdomen of 9 centrally flavous ; hind 



tarsi of (^ fulvous 20. STRAMENTARIUS, Cnw. 



Anus of $ with two pale marks ; 



scutellum of ^ finely punctate and 



hardly convex. 

 Abdomen black or badious ; or third 



segment of ^ transverse. 

 Scutellum of $ indistinctly punctate ; 



third segment of (J quadrate 21. COMPUTATORIUS, yT//i;7/. 



Scutellum of $ distinctly punctate ; 



third segment of ^ transverse 22. inquinatus, IVesm, 



Abdomen centrally red or flavous ; 



third segment of ^ quadrate. 



Hind tibiae entirely black 23. MILITARIS, Grav. 



Hind tibiae not entirely black. 

 Hind tibiae of $ not flavous ; seg- 

 ments two and three of ^ flavous. 

 Coxae scopuliferous ; central flagellar 



joints of (^ internally carinate. 

 Pronotum of 9 white ; flagellum of ^ 



fulvous beneath 24. albicolllis, IVesm. 



Pronotum of $ not white ; flagellum 



of c^ black beneath 25. extensorius, Z/;//z. 



Coxae simple ; central flagellar joints 



not in ^ carinate 26. GRACILENTUS, IVesm. 



Hind tibiae of $ centrally flavous ; 



segments two and three of ^ 



flavous. 

 Coxae scopuliferous ; flagellum of ^ 



not carinate 27. CONFUSORIUS, Grav. 



Coxae simple ; central flagellar joints 



of ^ internally carinate. 

 Antennae of 5 filiform ; intermediate 



tibiae of ^ apically black 28. TEMPESTivus, Holmgr. 



Antennae of $ sub-attenuate ; inter- 

 mediate tibiae of (J immaculate ... 29. macrocerus, TJioms. 



(i). 58. Second flagellar joint elongate ; cheeks not shorter than base of 

 mandibles ; areola not elongate : radical marks rarely pale ; an- 

 tennae of $ apically attenuate. 

 (98). 59. Anus of $ pale-marked ; scutellum of 

 (J not white at apex only. 



