THE TUMBLING FLOWER BEETLES. 1323 



2451 (7840). MoBDELLiSTENA coNvicTA Lec, Proc. Phil. Acad. Nat. Sci., 

 XIV, 1862, 50. 



Linear. Blacl^ ; pubescence of elytra arranged in distinct narrow lines. 

 Length 3 mm. 



Marion and Perr^- counties ; scarce. May 20-May 30. 



2-ir,'2 (7«4.3). MoKDELLiSTBNA MOKULA Lec, Proc. Phil. Acad. Nat. Sci., 

 XIV, 1862, 50. 

 Resembles pustidata in form and size, but the pubescence is yellowish 

 and is scattered unevenly over the surface. Length 2-3 mm. 



Lake County; rare. May 29-Jnne 12. A member of the AUe- 

 ghanian fauna. 



2453 (7844). Mokdellistena ambusta Lec, Proc. Phil. Acad. Nat. .^ci., 



XIV, 1862, 50. 

 Nearly linear. Dark reddish-brown, the head and thorax often slightly 

 darker. Ridges of hind tibise longer and more oblique than usual. Length 

 .3-.3.7 mm. 



Vigo, Knox and Crawford counties; scarce. June 2-July 4. 

 .V. singularis Smith, length 5 mm., is known from Georgia and 

 near Cincinnati. 



2454 (7846). Mordellistena unicolor Lec. Proc Phil. Acad. Nat. Sci., 



XIV, 1862, 50. 

 Slightly wedge-shaped. Uniform dark reddish-brown, thickly clothed 

 with brownish-yellow pubescence. Length 8.4 mm. 



Marion and Putnam counties; rare. June 7-June 28. Differs 

 from amhvsta only by the additional ridge on first joint of hind 

 tarsi. 



2455 (7847). Mordellistena maeginalis Say. Journ. Phil. Acad. Nnt. Sci., 



Ill, 1824, 278 ; ibid. II, 1G5. 

 Rather robust ; wedge-shni>ed. Black ; head and thorax reddish-yellow, 

 the former usually with a black spot; the latter either with base entirely 

 black or with a quadrate oblong spot extending from middle to scutellum, 

 and another on each hind angle. I/ength 8^ mm. 



Throughout the State, common; much more so in the northern 

 counties. ^May 29-September 25. Taken by sweeping. 71/. comata 

 resembles this species closely and is apt to be confused with it. 



245(1 ( ). Mordellistena divisa Lec. ijol. of Kan. and E. X. Mex., 



1860, 17. 

 Slightly wedge-shaped. Head, front and middle legs and front half of 



