THE GROUND BEETLES. 187 



347 (1125). SELENOPHORVS PEDICULARIUS Dej., Spec. IV, 1828, 100. 

 Oblong-oval. Piceous, shining, surface bronzed; antennae dusky, the 



basal joints and legs reddish-brown. Thorax quadrate, slightly broader at 

 base than apex ; sides curved, hind angles obtuse, basal impressions scarcely 

 distinct. Elytra alutaceous, finely striate ; intervals flat, smooth, the outer 

 one puuctulate ; apex feebly sinuate. Length 5-6.5 mm. 



Lake, Vigo and Crawford counties; scarce. April 5-August 17. 



348 (1130). SELENOPHORUS GAGATINUS Dej., Spec. IV, 1828, 112. 

 Oblong. Black, iridescent; femora piceous; antennae, tibiae and tarsi 



reddish-brown. Thorax quadrate, slightly broader than long ; margin verj 

 narrow, not translucent; hind angles obtusely rounded; basal depressions 

 evident but shallow, finely and sparsely punctate. Elytra slightly wider 

 than thorax, the punctures scarcely visible ; intervals slightly convex. Length 

 7.5 mm. 



Crawford County ; scarce. May 16. Occurs beneath stones on 

 high, dry hills. 



349 (1131). SELENOPHORUS OPALINUS Lee., List Col. N. Arner., 1863, 13. 

 Oblong-oval. Black, strongly iridescent; antennae and legs reddish-yel- 

 low. Thorax one-third broader than long, base as wide as apex, sides feebly 

 curved ; margin narrowly flattened and translucent ; basal impressions obso- 

 lete, the base finely and sparsely punctate. Elytra rather deeply striate ; 

 intervals feebly convex, minutely and sparsely punctate. Length 9-10 mm. 



Throughout the State; frequent. April 16-July 25. Our 

 largest species. Occurs beneath bark. 



S. iripennis Say is known from Illinois, Georgia and Texas, and 

 probably occurs in southern Indiana. 



350 (1134). SELENOPHORUS ELLIPTICUS Dej., Spec. IV, 1828, 108. 

 Oblong-oval or elliptical. Black, subopaque, alutaceous; antennae and 



legs reddish-yellow. Thorax as wide as elytra, their margins nearly con- 

 tinuous ; hind angles rectangular, basal impressions indistinct. Elytra finely 

 striate; intervals flat or nearly so, the dorsal punctures very small. Length 

 5-6 mm. 



Lake, Laporte, Vigo and Crawford counties; scarce. April 21- 

 September 10. Occurs beneath cover in sandy localities. 



LXIX. STENOLOPHUS Dej. 1829. (Gr., "narrow + neck.") 



Small brownish or piceous oblong beetles having the elytral 

 striae not punctate ; third interval with a small dorsal puncture be- 

 hind the middle and very close to the second stria ; front and middle 

 tarsi of males as in Selenophorus. For literature treating of the 

 genus see above under Agonodents. Our species hibernate beneath 



