TI-IE SOFT-BODIED PJjANT BEETT.,p]S. 689 



KEY TO SUBFAMIIIPJS OF DASCYLLID^. 



a. Front coxa' with large and distinct trochantin ; covering of body usually 



firm. Subfamily I. Dasctllinjj;, p. 689. 



((((. Front co.xaj without trochantin; covering of body usually soft and thin. 



Subfamily II. Helodin^, p. 690. 



Subfamily I. DASCYLLINAE. 



In addition to the distinct trochantin, the mandibles are more 

 prominent than in the Helodinfe; tibiae never bicarinate on outer 

 side and bearing smaller spurs.. The following genera are perhaps 

 represented in the State : 



KEY TO INDIANA GENEKA OF DASCYLI.IN.'E. 



ii. Hind c(i.\:i' narrowly separated; lower face prolonged, concealing tlie 

 mandibles and most of the labrum. 



b. .\ntennse slender, elongate, joints 2-3— i very short, subequal, to- 



gether not longer than fifth. Maceopogon. 



hh. Antenna) subserrate, .ioints 2 and 3 only short, together equal to 



fourth. I. E0BYPOGON. 



riii. Hind eo.xro contiguous; lower face short, labrum and mandibles visible. 



c. ( 'laws pectinate ; thorax acutely margined. Odontonyx. 

 cc. Claws simple; thorax not acutely margined; middle coxje not more 



widely separated than the front ones. Anchytaksus. 



3In('ropogon rufipes Horn, oblong, piceous, legs and antennas red- 

 dish-brown, length 5.5 mm., is recorded from Illinois. 



I. EuiiYPOGON Motseh. 1859. (Gr., "wide -!- beard.") 



Head free, slightly deflexed and received in the thorax as far as 

 the eyes; antennas slender, more than half the length of body, joints 

 4—11 slender, subequal; prosternum prolonged, meeting the meso- 

 sternum, carinate on each side. Two species are known, one of 

 which occurs from Pennsylvania to Kansas, including Indiana. 



l.'iOO (3974). EuBYPOGON niger Melsh., Proc. Phil. Acad. Nat. Sci., II, 1844, 

 .809. 

 Olilong, c<jnvex. Black, shining, sparsely pubescent. Thorax one-half 

 broader than long, slightly broader at base, sides straight, surface sparsely 

 and coarsely punctate. Elytra oblong, parallel, slightly wider than thorax, 

 with rows of coarse, closely placed punctures ; intervals much narrower 

 than the striae, each with a row of very fine punctures. Length 4rA.5 mm. 



ilarshall, Vigo, Orange, Floyd and Posey counties; rare. I\Iay 

 .30-.Tune 2-3. Beaten from leaves of hickory and oak. 



Orlonloinix trivittis Germ., oblong-oval, piceous, thoi'ax reddish- 

 yellow with two large black s])ots, length 8-9 mm., occurs in the 

 Middle States. 



