356 



FAMILY XI.— STAPH YLINIM1. 



671 (2919). Atheta polita Melsh., Proc. Phil. Acad. Nat. Sci., II. 1844, 31. 

 Short and rather robust. Head, thorax and abdomen black, shining; 



antennae pieeous ; elytra and legs dusky or fuscous yellow. Head rather 

 broad, convex, sparsely and finely punctate; antenna? short, stout, reaching 

 base of thorax, the third joint two-thirds the length of second. Thorax 

 sul (orbicular, scarcely wider than long, sides rounded into base, disk very 

 finely and sparsely punctate. Elytra one-half longer and one-third wider 

 than thorax; more coarsely and somewhat roughly punctate. Abdomen as 

 wide as elytra, parallel. Length 1.5-1.8 mm. 



Marshall, Marion, Putnam, Monroe and Clark counties; fre- 

 quent, March 6-October 31. Taken by sifting rotten woody debris 

 and leaves in damp places. 



672 (2013). Atheta festinans Ei\, Gen. Spec. Staph., 1840, 112. 



More slender than the preceding. Pieeous, feebly shining; elytra dark 

 reddish-brown to fuscous ; antennae pieeous, the basal joints and legs pale, 

 dull yellow. Antennae more slender than in polita, reaching middle of 

 elytra. Thorax one-third broader than long, sides rounded into base; disk 

 finely and rather densely punctate and with a faint median impression on 

 basal half. Elytra slightly wider and one-third longer than thorax, rather 

 coarsely and densely punctate. Abdomen parallel, equal in width to elytra. 

 Length 1.7-2 mm. 



Marion, Putnam, Vigo, Lawrence. Clark and Posey counties; 

 scarce. January 7-November 8. Taken by sifting. 



673 ( ). Atheta unigranosa Brnh., Deutsch. Ent. Zeitsch., 1909, 521. 



Elongate, rather slender. Head and middle of abdomen black; thorax. 



elytra, legs, base and tip of abdomen and base of antennae dull yellow. 

 Antennae reaching base of thorax, the third joint a little shorter than sec- 

 ond. Thorax one-half wider than long, finely and rather closely punctate ; 

 disk with a faint median line and a rounded impression at base. Elytra 

 scarcely wider and one-third longer than thorax, finely and densely punc- 

 tate. Abdomen slightly narrower than elytra, parallel, finely and rather 

 sparsely punctate. Length 2.7 mm. 



Lawrence County ; scarce. July 29. Taken from fungi. 



074 ( ). Atheta virginica Brnh., Deutsch. Ent. Ztschr., 1907, 393. 



Elongate, rather robust. Head, thorax and apical two-thirds or more 

 of abdomen pieeous; antennae and elytra brownish-yellow; legs pale yel- 

 low ; two basal joints of antennae and base of abdomen usually reddish-yel- 

 low. Front of head with a small round median impression, sparsely and 

 finely punctate; antennae reaching beyond base of thorax, the third, joint 

 slightly longer than second. Thorax one-half wider than long, sides rounded 

 into base and apex ; disk densely and rather coarsely punctate and with a 

 shallow median impression on basal half. Elytra slightly wider, one-half 

 longer and more coarsely, sparsely and roughly punctate than thorax. Ab- 

 domen parallel, a little narrower than elytra, indistinctly punctate. Length 

 2.5-2.8 mm. 



