Homocidus | BRITISH ICHNEUMONS. 89 

(44). 33. Scutellum of normal size and con- 
vexity. 
(41). 34. Clypeus laterally foveate. 
(40). 35. Clypeus apically not reflexed nor 
entire. 
(39). 36. Clypeus apically emarginate and not 
laterally elevated, 
(38). 37. Hind tibiae hardly dark basally; 4 
sternum pale-marked ... 16. DIMIDIATUS, Schr. 
(37). 38. Hind tibiae basally infuscate ; ZB 
sternum entirely black... 17. PUMILUS, Hlolmgr. 
(36). 39. Clypeus apically excised and laterally 
elevated Sf 18. INCISUS, Zhoms. 
(35). 40. Clypeus apically reflexed and entire’ 19. REFLEXUS, JZorl. 
(34). 41. Clypeus not laterally foveate. 
(43). 42. Second segment transverse; hind 
tibiae stout 20. CRASSICRUS, Thoms. 
(42). 43. Second segment elongate; hind tibiae 
normal : 21. LONGIVENTRIS, Zhoms. 
(33). 44. Scutellum large and somewhat strong- 
ly convex .. 22. STRIGATOR, fad. 
(32). 45. Scutellum entirely pale ; anus of fo) { 23. XANTHASPIS, Zhoms. 
strongly compressed. | 24. EMARGINATUS, Mord. 
(23). 46. Tibiae not white; abdomen nearly 
always broadly red centrally. 
(52). 47. Scutellum not entirely black, or basal 
segments scabrous, 
(49). 48. Scutellum at most apically pale ; 
second segment punctate .. 25. ELEGANS, Grav. 
(48). 49. Scutellum mainly pale; second seg- 
ment subglabrous. 
(51). 50. Areolet entire; second segment elon- 
gate bys ae .. 26, PALLIDIPES, Grav. 
(50). 51. Areolet wanting ; second segment 
transverse .. 27. PULCHER, Holmgr. 
(47). 52. Scutellum entirely black; basal seg- 
ments not scabrous [? ANIARO- 
PHRON, Forst.}. 
(54). 53. All the coxae pale; areolet entire .. 28. SIGNATUS, Grav. 
(53). 54. Hind coxae more or less black; areolet 
_wanting.. - a .. 29. HYGROBIUS, Zhoms. 
1. cinctus, Grav. 
Bassus cinctus, Gr. I. E. iii. 327; Holmgr. Sv. Ak. Handl. 1855, p. 356; Voll. 
Pinac. pl. i, fig. 6, ¢; Tijds. v. Ent. 1878, p.162, ¢. JB. lateralis, Gr. I. E. iii. 
342, ‘'g’’; Holmgr. Sv. Ak. Handl. 1855, p. 355; Voll. Pinac. pl. i, fig. 5, ¢ ¢. 
B. scabriculus, Holmgr. loc. cit. B.albicinctus, Desv. Trans. Ent. Soc. 1862, 
p. 218, ¢. B.hyperboreus, Marsh. E. M. M. xiii. (1877), p.241, ¢. Homoporus 
lateralis, Thoms. O. E. xiv. 1492, ¢ ?. H.cinctus, Morl. Trans. Ent. Soc. 1905, 
p. 426, ¢ ¢. 
Nitidulous, punctulate, black. Head fully as broad as thorax; frons 
anteriorly impressed and subcanaliculate ; mouth, clypeus, Q inner orbits 
and ¢ whole face flavous. Antennae shorter than the body; scape of ¢ 
stramineous beneath. ‘Thorax stout and gibbous with (form typ.) or 
without (var. scabriculus) a mark before the pale tegulae and rarely in d 
(var. albicincfus) pleural suture and pale spots, flavous; areola quite dis- 
tinctly delineated, entire, transverse or subquadrate; metathorax sub- 
