2jS 



HVMEXOPTERA ACULEATA. 



( 4-1-) 41. Pace across the eyes not longer than 



wide. 

 43) 42. cJ, abdomen short, without ventral 



tufts of pubescence ; ? , face 



broader than long . . . breviueps. 



4"-') 43. c?, abdomen elongate, segments be- 

 neath with long lateral tuft^ of 



white hairs ; $ , face not broader 



than long NiTioruscuLUs. 



(41 ) 44. Face decidedly longer than wide 



across the eyes .... pu.vctatissimus. 

 (31) 45. (J, tarsi black, or rarely testaceous 



in atricornis; 5 > basal segment 



of abdomen impunctate, nieso- 



notum finely and closely punc- 

 tured. 

 (49) 46. <^ , basal segment of abdomen not 



strongly punctured ; J , mesouo- 



tum without a deeply impressed 



dorsal line. 

 (18) 47. Rather larger, face longer and 



clypeus more produced iu both 



sexes; abdomen in the ? more 



convex ...... 



(47) 48. Rather smaller, face shorter, and 



clyppus less produced, abdomen in 



the ? less convex .... 

 (46) 49. (J, basiil segment of abdomen strongly 



punctured ; ? , mesonotum with a 



deeply impressed dorsal line . 

 (1) 50. Species more or less bronzy. 



(54) 51. Tibia) and tarsi of tS fiavous ; J , ab- 



domen densely hairy, with pale 



pubescent apical bands. 

 (53) 52. Hairs of the mesonotum in ? ful- 

 vous, pubescence of head and 



thorax very dense ; cJ, autemiaj 



not nearly so long as the entire 



insect ...... 



(52) 53. Hairs of mesonotum in ? whitish, 



pubescence of head and thorax not 



so dense ; antennre in the (J as 



long as the entire insect 

 (51) 54. Tibia3 of S "ft fiavous, $, abdomen 



not densely hairy, without apical 



bands. 



(56) 55. Abdomen with a bright bronzy or 



greenish tinge .... 



(55) 56. Abdomen bhick or nearly so. 

 (58) 57. (J, tarsi black; face subelongate 



in ? MORio. 



(57) 58. (^, tarsi pale ; face nearly round 



in ? LEUCOPUS. 



ATRlCOR>fIS. 



MI.VUT[SSIMUS. 



GRAMINEUS. 



TUMOLORUM. 



Smbathmanellus. 



