1192 



FAMILY LIII. C II ft YSO MELIDiE . 



hh. Brownish or piceous, with a faint bronzed lustre; punctures of elytra 

 in vague rows. 2203. turbattjs. 



aa. Antennas with joints 2. 3 and 4 of equal length, or with the fourth not 

 longer than second, 

 c. Surface entirely shining, not alutaceous ; elytral punctures rather 

 coarse ; form robust ; humeri well marked. 

 il. Color reddish-brown ; form oblong-oval ; legs pale. 



2204. A LTERNATUS. 



ild. Color piceous, shining; form shorter, oval; legs piceous. 



2205. ERRO. 



cc. Surface more or less distinctly alutaceous; form rather elongate; 

 humeri not prominent, 

 c. Color pale reddish-yellow ; elytra not shining, the punctures very 

 indistinct. 2206. testaceus. 



cc. Color dark reddish-yellow to piceous; elytra shining, the punctures 

 coarse and well marked. 2207. melanurus. 



2202 (7011). Longitarsus subrufus Lee, Col. Kan., 1859, 26. 

 Oblong-oval, convex. Reddish-yellow, shining; antennae and legs pale 



reddish-yellow, the outer five joints of former and hind femora slightly 

 darker. Thorax one-third wider than long, not narrowed in front; disk 

 convex, shining, very sparsely and finely punctate. Elytra wider at base 

 than thorax, umbone rather prominent ; disk convex, punctures rather fine, 

 not closely placed. Length 2.5-3 mm. 



Vigo County; common locally on the stems and leaves of the 

 false gromwell, Onosmodium carolinianum DC. June 15. De- 

 scribed and known heretofore only from Kansas. Our largest spe- 

 cies of the genus. 



2203 (10,434). Longitarsus turbatus Horn, Trans. Amer. Ent. Soc, XVI, 



1889, 279. 



Oblong-oval, subconvex. Piceous or chestnut-brown, feebly bronzed ; an- 

 tenme piceous, the four basal joints pale; front and middle legs and hind 

 tibiae yellowish ; hind femora brown. Thorax nearly one-half wider than 

 long, slightly narrowed in front, sides feebly curved, surface smooth or 

 nearly so ; basal marginal line wanting. Elytra wider at base than thorax, 

 umbone distinct, punctures rather coarse and close. Length 2.5 mm. 



Lake, Marion and Dubois counties; scarce. May 12-June 11. 

 Resembles melanurus, but differs in the length of basal antennal 

 joints, in the surface not being at all alutaceous, and in the much 

 more prominent shoulders. 



2204 (7015). Longitarsus alternatus Zieg.. Proc. Phil. Acad. Nat. Sci.. 



II, 1846, 271. 



Oblong-oval, moderately convex. Dark brick-red, shining. Antenna 

 three-fourths the length of body, piceous. the four basal joints paler. Tho- 

 rax one-third wider than long, sides curved; disk convex, nearly smooth 



