354 



FAMILY XT. — STAPH YLIK4DJE. 



third wider than long, finely and densely punctate ; disk with a very fine 

 median line which expands into a shallow impression at base. Elytra 

 scarcely wider than thorax, densely and finely punctate. Abdomen finely 

 and very sparsely punctured. Length 3 mm. 



Starke and Clark counties; scarce. May 7-May 19. 



664 (2010). Atheta jimula Erichs.. Gen. Spec. Staph.. 1840, 102. 

 Elongate, rather slender. Black, shining; elytra, legs and base of an- 

 tenna? more or less dull yellow. Antennae slightly longer than head and 

 thorax, third joint distinctly longer than second. Thorax scarcely one- 

 third wider than long, minutely and rather sparsely punctate; disk with a 

 rather wide, shallow impression at middle of base. Elytra one-third wider 

 and one-half longer than thorax, densely and rather coarsely punctate. 

 Length 2.7-3 mm. 



Marion, Putnam and Clark counties; frequent, March 6-No- 

 vember 28. Taken by sifting. The sides of elytra are more or less 

 fuscous. 



665 ( ). Atheta caviceps sp. nov. 



Elongate, rather stout, parallel. Head, thorax and abdomen piceous, 

 sparsely clothed with fine, pale prostrate hairs ; elytra dark dull reddish- 

 brown ; antennae piceous, the basal joints and legs dull reddish-yellow. 

 Front of head with a broad shallow impression. Antennae slender, reach- 

 ing middle of elytra, the third joint slightly longer than second. Thorax 

 one-third wider than long, sides broadly rounded into base, surface finely 

 and sparsely punctate and with a faint median impressed line. Elytra 

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

 tate. Abdomen equal to elytra in width. Length 2 mm. 



Lake, Marshall and Marion counties ; rare. May 15-May 20. 



(5(3(3 ( ). Atheta dentata Brnh., Deutsch. Entom. Ztschr., 1906. 342. 



Elongate, robust. Blackish piceous, shining, 

 sparsely and finely pubescent; elytra dull clay 

 yellow, the humeri, margins and apical angles 

 often darker ; legs dusky yellow. Head broad, 

 convex, almost smooth. Antennae stout, reach- 

 ing beyond base of thorax, second and third 

 joints subequal, eleventh almost as long as 8-10 

 combined. Thorax slightly broader than long, 

 sides nearly straight, hind angles rounded, sur- 

 face sparsely, finely and roughly punctate and 

 with a feeble impression at middle of base. Ely- 

 tra but slightly wider and one-third longer than 

 thorax, minutely and roughly punctate. Length 

 3-3.2 mm. (Fig. 154.) 



Throughout the State; common in the 

 rig. 154. x 16. (Original.) southern counties ; less so northward. 

 March 16-November 29. Our largest species; taken by sifting, 

 rarely by beating, and probably hibernates. 



