86 J. B. SMITH. 



Body black; head rufous; thorax black, basal margin and sides dark 

 yellow; feet and abdomen tinged with testaceous. 2 — 2.5 mm.; United 

 States 4. I rifasciata. 



Body yellow; thorax yellow; abdomen and hind tibia and tarsi varied 

 with black. 2— 3 mm.; United States 5. lepitlula. 



Above pale, large frontal spot, discoidal spot and anterior angles of thorax, 

 suture and sides of elytra blackish ; feet and hind coxae pale, metasternum 

 and abdomen blackish. 3 mm.; Middle States .6. limbalis. 



Yellow; above clothed with dense sericeous pubescence; apical margin of 

 thorax, suture, broad median band and apex of elytra dark fuscous. 

 2.5 mm.; Long Island 7. eleganl ill ns. 



Fuscous, linear; head, thorax, antennae, anus, anterior and middle feet, 

 and posterior tibiae and tarsi reddish-yellow; elytra with light brown 

 pubescence; suture and lateral margin narrowly piceous. 2.3 mm.; 

 Illinois 8. dim idiata. 



Black; elytra with a reddish-yellow oval humeral spot; basal joints of 

 antennae, palpi, tibiae, tarsi and abdomen reddish. 3 mm. ; Illinois, 

 New York 9. biplagiata. 



Black; mouth, front legs and elytra piceous; pubescence of elytra dark 

 brown, with light hair intermixed. 2.5 mm.; Illinois, New York. 



Hi. interim via. 



Black; pubescence gray, sericeous. 2 — 3 mm.; California 11. vilis. 



Entirely luteous. 2 — 3 mm.; New York, Pennsylvania 12. vapida. 



First and second joints of hind tarsi each with two oblique ridges. 



Narrow, parallel; body yellow, head behind antennae blackish; thorax 

 with front half yellow, with a median cloud; hind half black; elytra 

 black with a large elongate basal spot; margin and suture behind the 

 middle, yellow. 3 mm.; Western States 13. decorella. 



Black; mouth, front, two small spots on apical margin of the thorax, 

 and anterior feet reddish-yellow ; pubescence light brown sericeous. 

 2—3 mm.; Illinois, New York 14. bipust ulata. 



Fulvo-piceous with fine dense sericeous pubescence, head slightly paler; tibial 



ridges more oblique than usual. 4 mm.; New York 15. atriceps. 



First joint of hind tarsi with three, second with one oblique ridge. 



Piceous, clothed with brown sericeous pubescence; elytra paler, piceo- 

 testaceous. 4 mm.; New York, Georgia 16. picipennis. 



Piceous; legs pale, elytra rufous, suture and margin blackish; tibia with a 

 distinct rudiment of a third ridge. 2.5 mm.; N. Y 17. pallipes. 



Head, thorax and feet red-yellow; elytra fuscous with the humeri and 

 apical margin reddish-yellow; abdomen, sternum, hind coxae and femorae 



blackish. 2— 3 mm.; Illinois, New Jersey 18. fill vicollis. 



First joint of hind tarsi with three, second with two oblique ridges. 



Red-yellow, base of thorax and elytra black; the latter with a large tri- 

 angular basal spot on each, suture, and margin behind middle narrowly 

 yellow. 3 — 4 mm.; Middle and Southern States 19. ornata. 



Black ; head and humeral spot of elytra red-yellow ; anterior feet yellow ; 

 hind feet black varied with testaceous. 2 — 3 mm. ; Middle and Northern 

 States 20. militaris. 



Black; elytra with an orange-yellow humeral spot. 4 mm.; Middle and 

 Western States 21. scapularis. 



