184 CHARLES A. BLAKE. 



Head and thorax black ; thorax with golden fulvous pubescence above, sec- 

 ond and following segments of the abdomen bright ferrugi- 

 nous; wings blackish, paler about the middle Ursula. 



Black ; head and thorax with long white pubescence ; apical segments 

 of the abdomen with long, coarse, whitish pubescence ; wings 



fuliginous; three submarginal cells Sackenii. 



Abdomen black, with pale glittering pubescence ; a broad band, more or 

 less distinctly denned, of pale glittering pubescence, behind 

 second segment ; wings subhyaline, marginal cell lanceolate, 



not abrupt at apex gibhosa. 



Head entirely black, mesothorax and scutellum with fulvous pubescence ; 

 second abdominal segment with two large apical yellow spots. 



bioculata. 

 Head and prothorax above, mesothorax and scutellum entirely, with ferru- 

 ginous or fulvous pubescence. 

 First and second abdominal segments (except apex) black. 



Large ; apex of second and the following segments of abdomen with fer- 

 ruginous pubescence comanche. 



Black ; head, thorax and apical half of abdomen with dense fulvous 



pubescence; robust; wings fuliginous mollissima. 



Black ; head, thorax and abdomen, except first and basal half of second 

 segment clothed with long ochraceous pubescence; wings 



fuliginous ochracea. 



Medium; apex of second and the following segments of abdomen 

 with long, dense, bright fulvous pubescence ....fulvohirta. 

 Black; head and thorax with black pubescence; apical segments of 

 abdomen with long, dense, fulvo-ferruginous pubescence. 



chiron. 

 Medium ; apex of second and the following segments of abdomen 

 with long, dense, bright scarlet pubescence. 



coccineohirta. 



Thorax and second abdominal segment scarlet-red, metathorax 



black ; wings blackish violaceous ; medium..antiguensis. 



Abdomen black ; apex of second, the third and two apical segments with 



dense scarlet pubescence OCCidentalis. 



Abdomen black, with only the second segment ferruginous above and 

 beneath, and with ferruginous pubescence except at apex. 



asopus. 

 Abdomen black, second segment yellow ferruginous, with golden pu- 

 bescence except at apex, remaining segments with mixed, 



black and golden pubescence hector. 



Head and prothorax above, mesothorax and scutellum entirely, with dense 

 yellowish white pubescence ; abdomen dull ferruginous, 

 clothed with black pubescence ; second segment yellowish ; 

 two apical segments with a patch of yellowish white pubes- 

 cence monticola. 



Head and thorax black, with black pubescence, second abdominal segment 

 dark ferruginous, apex black hispida. 



