842 



FAMILY XLI. MALACHJIDiE. 



II. Anthocomus Erichs. 1840. (Gr., " flower + to revel.") 



Our two members of this genus may be known by having the 

 1 1- jointed antenna? inserted at the sides of the front nearly or quite 

 at the front margin ; tarsi simple and similar in both sexes. 



1606 (5038). Anthocomus ebichsoni Lee, Proc. Phil. Acad. Nat. Sci., VI, 



1852, 165. 



Oblong-subdepressed, but little wider behind the middle ; sparsely clothed 

 with grayish hairs. Head, under surface and femora black; thorax red- 

 dish-yellow, the disk with a broad median black stripe ; elytra black with a 

 bluish tinge; tibia?, tarsi and front coxre picedus. Front of head with a 

 wide, shallow impression. Thorax broader than long, sides and angles 

 strongly rounded, surface sparsely punctulate. Elytra parallel, finely punc- 

 tured and rugulose. Length 3.5-4 mm. 



Putnam, Vigo and Posey counties; scarce. April 18-May 26. 



1607 (5039). Anthocomus flavilabeus Say, Journ. Phil. Acad. Nat. Sci., 



V, 1825, 169 ; ibid. II, 279. 

 Resembles the preceding in form and size. Black ; thorax narrowly 

 margined with reddish-yellow, sometimes wholly black ; front part of head, 

 prosternum, front and middle legs and basal third of antenna? - bright yel- 

 low; front coxae and femora often with a dilated black line; elytra tinged 

 with purplish. Length 3.5-4 mm. 



Southern half of the State, frequent; Marshall County, rare. 

 May 18-June 26. Occurs on flowers of dogwood, red bud, wild 

 rose, etc. 



III. Pseudeileus Horn. 1872. (Gr., "false + ebasus. ") 



Very small species having the elytra in the male obliquely pro- 

 longed, tipped with yellow, and with a hook-like process above. 

 Three species have been taken in Indiana, while one other may 

 occur. 



KEY TO INDIANA SPECIES OF PSEUDEBiEUS. 



a. Last ventral segment of male yellow, deeply grooved lengthwise and 

 deeply notched at tip. 



6. Thorax yellow. 1608. apicalis. 



1)1). Thorax black. 1609. oblitus. 



aa. Last ventral of male black, not grooved, slightly emarginate at tip. 



c. Thorax yellow. 1610. bicolob, 



cc. Thorax black. pusillus. 



1608 (5041). Pseudeb^us apicalis Say, Journ. Phil. Acad. Nat. Sci., V, 



1825. 170; ibid. II. 279. 



Oblong, rather broadly expanded behind the middle. Black, slightly 

 tinged with bluish ; thorax and legs pale dull yellow ; antenna with termi- 

 nal joints piceous or dusky. Thorax broader than long, sides and angles 

 rounded. Elytra slightly broader at base than thorax, gradually widened 



