AMERICAN MUTILLID.E. 235 



Punctuation of second dors-il segment even throughout, ventrally the punc- 

 tures are not quite so strong or as regular as in occMentalis ; segments 

 3 and following usually with fulvous pubescence, although sometimes 

 segments 4 and 5 are almost as in Occident aUs- ■ ■ ■ Comanche Blake. 



7. Head and thorax above with fulvous pubescence 8. 



Head and thorax with the pubescence otherwise colored 12. 



8. Second segment entirely black : head and thorax above and abdomen above 



from apex of segment 2 with fulvous pubescence, .ochracea Blake. 



Second segment more or less fulvous, with two spots usually, which, however, 



sometimes coalesce 9. 



9. Segment 3 above and following, as well as part of .second, with fulvous or red 



pubescence 10. 



Segment 3 and following with black pubescence 11. 



10. Abdomen, except first and basal half of second segment, reddish-fulvous, 



this portion of abdomen, as well as head and thorax above with scar- 

 let pubescence ; first and second transverso-cubital veins separated 



above testaceiventris n. sp. 



Abdomen black, the second segment above on apical half with two fulvous 

 spots, which, sometimes, coalesce; thorax and abdomen from second 

 segment on with fulvous pubescence Ursula Cress. 



11. Two distinct submarginal cells, the first and second transverso-cubital veins 



almost coalescing above; second dorsal segment with two yellowish 

 spots on posterior half; head with very little fulvous pubescence. 



bioculata Cress. 

 Three distinct submarginal cells, the first and second transverso-cubital veins 

 distinctly separated above: second segment entirely red, with two 

 paler spots on dorsal moiety ; head above antennse with fulvous pu- 

 bescence pyrrhus n. sp. 



12. Abdomen above, from apex of segment 2, with fulvous pubescence (that of 



thorax black) 13. 



Abdomen with pubescence otherwise colored 15. 



13. Second dorsal segment on apical portion with two large fulvous spots; third 



submarginal cell absent or nearly so chiroii Blake. 



Abdomen entirely black, except the pubescence noted- . . 14. 



14. First and second transverso-cubital veins distinctly separated above; carina 



of first segment obtusely angulate ; pubescence of abdomen above from 



base of second segment bright scarlet phaou n. sp. 



First and second transverso-cubital veins united above, the submarginal cell 

 almost subpetiolate ; carina of first segment bidentate ; pubescence of 

 abdomen above from apical half of segment 2 fulvous, zelaya Blake. 



15. Head and thorax black 17. 



Head and thorax more or less red 16. 



16. Head and thorax entirely red ; hind trochanters, spinose, segment 3 and fol- 



lowing black creou Blake. 



Head, pronotum and dorsulum black; head and thorax with rather dense, 

 hoarj' pubescence; hind trochanters unarmed; abdomen entirely red. 



eximia Blake. 



17. .Abdomen entirely, or from (and inclusive of) second segment reddish, . . 23. 

 Abdomen in greater part black, the .second .segment reddish, except in one 



species .... 18. 



TRANS. AM. ENT. SOC. XXV. JANUARY, 1899. 



