THE COMB-CLAWED BARK BEETLES. 



1283 



, Fivti'u slightly wide.- than thorax, very gradually subacute an apical 



intervals convex, minutely auo rather densely puuetate. L. ugth l- " 



Lake, Kosciusko and Vigo counties; rare. June 8-July 16. U6- 

 enrs usually on bushes and twigs and probably to be found spar- 

 ingly throughout the State. 



' VII. Androchirls Lec. 1862. (Gr., "a male + hand.") 

 Medium-sized black or brown species, having the legs and an- 

 tenna long and slender; terminal joint of maxillary palpi slender, 

 triangular its very oblique apex almost as long as the outer side ; 

 Mnd angl s of thorax, especially those of female, acute and much 

 prolonged backwards. One of the two recognized species has been 

 taken in the State, while the other may occur. 



KEY TO SPECIES OF ANDROCHIRUS. 



a. Deep black; femora reddisl«, the tibice and tarsi 



aa. Grayish-black; legs pale reddish-yellow throughout. ^ erythropus- 



A. femoratu, Oliv., length 9-10 mm., is a southern species which 

 has been recorded from Cincinnati. 



2376 (7631). 



Andeochirus erythropus Kirby. Faun. Bor. Amer, IV, 1837. 

 239. 



Elongate-oval, strongly convex. Color 

 o-iven in key; not shining; pubescence very 

 short and dense. Eyes small, separated by 

 one-half more than their own width. Third 

 antennal joint twice as long as second, three- 

 fifths as long as fourth. Thorax one-halt 

 wider than the median length ; sides converg- 

 ing from base to apex; disk very finely, deep- 

 ly and densely punctate without basal im- 

 pression; base strongly and broadly bism- 

 uate Elytra equal in width to thorax; sides 

 parallel and nearly straight to middle, thence 

 narrowing to a subacute apex; disk finely 

 and deeply striate, the striie finely punctate; 

 intervals convex, minutely and densely punc- 

 tate. Length 9-10 mm. (Fig. 569.) 



Throughout the State; scarce. May 

 8-July 13. Occurs on stumps and 

 hushes, usually in moist places. A. fuscipes Melsh. is said by Case, 

 to be a synonym of erythropus. 



Fig. 569. X 4. (Original.) 



