214 FAMTT.T IV. DTTISCIPJ. 



VII. Celin.v Aiihe. 1>36. (A proper name.) 



Elongate, glabrous, parallel species having the scutellum dis- 

 tinct ; front and middle tarsi with five joints : abdomen terminating 

 in a short spine. One species occurs in the State. 



4as (1282). Celina angustata Aub6, Spec. Gen., VI. 1838, 447. 



Elongate-oblong, parallel. Brownish-red. alutaceous, shining; elytral 

 disk with a blackish cloud. Thorax three times as wide as long, sides 

 feebly rounded, disk very finely and sparsely punctate with coarser punc- 

 tures along the apical and basal margins. Elj-tra sparsely, finely and 

 irregularly punctate, with two or three discal rows of larger punctures : 

 their tips ending in fine points. Middle tibia; of male curved and nar- 

 rowed at middle, the basal portion slender, the apical much broader. Length 

 4 mm. 



This is listed as a southern species, but a single specimen was 

 taken in Lake County, un the shore of Lake ^Michigan, and another 

 in Kosciusko County. June 9- August 1. 



VIIL CcELUiBus Thorn. 1^60. (Gr.. "swoUen + belly.") 



To this genus belong a number of small, oval or rounded beetles, 

 convex beneath (whence the generic name), and in color either 

 brown or pale with black markings. All are devoid of pubescence, 

 possess the elytral ligula above mentioned and have the humeral or 

 basal portion of the epipleurs limited behind by a well-marked line. 

 Seven species are known from Indiana. 



KEY TO INDIANA SPECIES OF COiLAMBl'S. 



a. Front of head with a fine but distinct raised margin, the labrum much 

 concealed ; under surface of body very convex, usually light brownish- 

 yellow. 

 6. Elytra without either distinct blackish spots or a carina on the sides, 

 very coarsely and regularly punctured. 409. in'^quaus. 



/j/j. Elytra each with three or four black spots, and with a carina on the 

 side, the punctures much finer. 410. acaboides. 



aa. Front of head without margin, the labrum little concealed ; under ■;«•- 

 face lit body less convex, wholly or partly black. 

 c. Elytra without impressed lines ; smaller, 2.5—1.5 mm. 

 d. El>-tra nearlj- uuifoi-m dark reddish-brown, usually with fine and 

 coarse punctures intermingled. 

 c. Smaller, not over 3 mm. 



f. Abdomen wholly black; sides of hind coxw very coarsely and 



sparsely punctate. 411. turbidus. 



ff. Ahdnmen in part or wholly pale; sides of hind coxse fluely 



punctate. 412. laccophilints. 



ee. Larger, 3.s^ mm.; abdomen and metasteruum .is in turbidw. 



4l:!. UISSIMILIS. 



