190 CHARLES A. BLAKE. 



Head black, with bright golden pubescence ; second abdominal segment with 

 a large angular macula on each side at base and a transvei-se, 

 oblong, subovate macula on each side, near the apical margin, 

 of a reddish yellow piilolira. 



Head black ; thorax and abdomen, except base and apical segments, bright 

 brick-red ; second segment with a trilobate black spot at the 



base inilitaris. 



Body ferruginous. 



Second abdominal segment ferruginous, or fusco-fcrruginous, with four small 

 yellow spots ; two distant on basal margin and two more ap- 

 proximate near apical margin cypris. 



Second abdominal segment ferruginous, with four more or less distinct yel- 

 lowish spots ; two small, on basal margin, and two large, and 

 almost confluent, near apical margin ; size rather large. 



in II tat a. 



Second abdominal segment fuscous with two large, rounded, nearly confluent, 

 yellowish or pale ferruginous spots near apical margin ; size 

 small sea»voIa. 



Second abdominal segment ferruginous, with a more or less distinct patch of 

 black pubescence on basal middle, from which, sometimes, 

 proceeds an oblique black line ; apical margin more or less 

 black f*errus:ata. 



Second abdominal segment rufous, apical margin and remaining segments 

 fringed with glittering pubescence vesta. 



Second abdominal segment dark rufous, densely punctured, apical margins 

 fringed with whitish pubescence ; entire insect clothed with 

 white hairs albopilo<«a. 



Second abdominal segiuent ferruginous, its apical margin fuscous; abdomen 



clothed with scattered, glittering hairs caneo. 



Black : thorax more or less obscurely red above, with black and white 

 pubescence ; thorax bidentate on each side ; apical mai-gin of 

 second abdominal .segment with long white pubescence. 



inelaiicliolica. 



Second abdominal segment ferruginous ; apical margin blackish, with an 

 uninterrupted fringe of dense white pubescence on middle of 

 apical margin balteola. 



Second abdominal segment castaneous ; apical margin and following segments 

 with silvery pubescence ; head twice as broad as thorax, a 



strong acute spine behind the cheeks graiKiicepM. 



Ferruginous; head subquadrate, wider than the thorax, the four apical 

 segments and the apical margins of the two ba.sal ones rufo- 



piceous, .small Trigida. 



Head wider than the thorax, subquadrate, with ferruginous i)ubes- 

 ceuce ; thorax with black pubescence ; second and following 

 .segments of abdomen fringed with black. 



macrocephala. 

 First abdominal .segment gradually dilated at apex and sessile with 

 base of second segment. 

 Posterior angles of head acutely produced. 



