AMERICAN COLEOPTERA. ^ 



Black ; head wholly or partly reddish, thorax rufous, usually black at base, 



or with a dorsal cloud ; legs varied with testaceous. 3-4 mm. ; 



tt -i a af f»= 22. comata. 



United States 



Black, linear; pubescence brownish-gray ; hind tibia with a trace of a third 

 ridcre. 2— 3 mm. ; United States 23. aspersa. 



Rufo-piceous; pubescence dense brown sericeous; elytra darker, with a 

 large indistinct paler basal spot; legs and antenna more rufous. 



a i I!™ Vnrk 24. illdlSt 1 IlCta. 



3 — 4 mm.; JNew Yoik 



Pale yellowish-brown, subcuneate, hind tibia with a faint trace of a third 



ridge. 3 mm.; Georgia, New York 25. tosta. 



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

 Tibia with a rudiment of a third ridge; fulvous yellow. 3 mm. ; Texas. 



26. inoruata. 



C -Ridges parallel ; anterior extending almost across the outer face of the tibia. 

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



Elytra as in 4 and 5 ; head, thorax and feet, yellow ; thorax with a narrow 



dorsal cloud; trunk blackish. 2.5 mm.; Georg.a 27. arnica. 



Elytra as before; black; antennae, tibia and tarsi, yellow; pubescence 



rather long and coarse. 1.5 mm.; Georgia 28. iiiiuuta. 



Entirelv black, pubescence grayish; mouth and basal joints^ of antenna, 



piceous. 2mm.; Illinois 29. pic.Iabr.s. 



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



Black, covered with cinereous pubescence ; elytra with two broad bands, and 



apex black, pubescent. 2 mm.; South. California 30. in Hum. 



Elytra yellow, with base, tip, suture and a large oblong marginal spot 



black. . „ 



Head, thorax and body, black; antenna, and legs yellow. 2 mm.; 



.,.,,, . t 31. amlrese. 



Middle States 



Head, thorax and body, yellow; abdomen blackish. 2.5 mm.; Georg.a, 



~. ' „ , 32. grammica. 



New York 



Elvtra ferruginous ; suture and margin blackish. 



Black; mouth, anterior feet, hind tibia and tarsi testaceous, incisures 



black; anus piceous. 2 mm.; Georgia, New York 33. anc.lla. 



Black; head and part of thorax reddish-yellow; anterior ieet yel- 

 low hind tibia and tarsi testaceous; incisures black. 2.0-3 mm. , 



',;',, 1 * 34 - varians. 



Middle States 



Ferruginous; black limb of elytra very narrow; abdomen and some- 

 times hind cox. and pectus blackish. 3 mm. ; Middle and Southern 



.35. ustnlata. 



States 



Elvtra without distinct markings. 



Piceous; head, thorax and anterior legs ferruginous, humeri with an 

 indefinite ferruginous spot; anus rufo-piceous. 2-3 mm.. Middle 

 and Southern States 



Piceous; head, apical margin of thorax, and «^ ^"g"""" 

 2 mm.; South Carolina, New York 37. impatient-. 



Fusco-ferruginous; elytra black, pubescence fine JJ^jJ^ 



ES^pi-l mm. ; Middle and Southern Btetes.^ 



