390 



FAMILY XI. STAPHYLINID^E. 



dd. Antennae of normal form ; tip of abdomen reddish. 



753. APICALIS. 



cc. Head quadrate, punctured beneath ; legs pale yellow ; length 7.5 mm. 



VIEIDANUS. 



aa. Thorax oval, as wide as long, distinctly narrowed in front. 



e. Thorax densely punctured, a narrow median space only smooth ; legs 

 pale yellow; length 9.5 mm. confertus. 

 ee. Thorax coarsely and sparsely punctured; legs piceous; last ventral 

 of male feebly emarginate ; length 7.5-9.5 mm. 754. aurulentus. 



P. serpentinus Horn, reddish-brown, head and thorax black, was 

 described from a specimen taken in Kentucky, near Cincinnati. It 

 doubtless occurs in southern Indiana. 



752 *(2228). Philonthus baltimorensis Grav.. Mon. Col. Micr., 1S06. 163. 

 Elongate, robust. Head and thorax black; elytra dull red; legs pic- 

 eous, the tarsi paler. Antennae reaching middle of thorax, piceous, the ap- 

 ical joint, pale. Thorax scarcely as wide as head, slightly longer than wide, 

 distinctly narrowed behind the middle, sparsely and irregularly punctate, 

 smooth at middle. Elytra wider than thorax, its surface, as well as that 

 of abdomen, rather coarsely, not densely punctate. Length 10-13 mm. 



Throughout the State; scarce. March 18-December 10. Hi- 

 bernates beneath logs and rubbish in fence rows. 



753 (2229). Philonthus apicalis Say, Trans. Amer. Phil. Soc. IV, 1834, 



451 ; ibid. II, 566. 



Elongate, rather robust. Black, shining: tarsi, terminal joint of an- 

 tenna? and last three segments of abdomen reddish-brown. Antenna? reach- 

 ing middle of thorax, joints 6-10 as wide as long. Thorax slightly nar- 

 rower than head, a little longer than wide, feebly narrowed behind, punc- 

 tate as in baltimorensis. Elytra wider than thorax, together one-third 

 longer than wide ; surface as well as that of abdomen, coarsely and sparsely 

 punctate. Length 9-11 mm. 



Lake, Marion and Putnam counties; rare. May 3-October 31. 

 Occurs beneath logs on damp wooded hillsides. 



P. viridmius Horn, occurring "from the Middle States westward 

 to Missouri," and P. confer lus Lec~ known from Canada, Iowa, 

 Illinois, and Kansas, probably occur in Indiana but are not repre- 

 sented in the collections. 



754 (2234). Philonthus aurulentus Horn, Trans. Amer. Ent. Soc, XI. 



1884, 222. 



Elongate, robust. Black, feebly bronzed or iridescent. Antenna? pic- 

 eous, slightly longer than head and thorax, joints 8-10 wider than long. 

 Head subquadrate. coarsely punctate at sides, smooth at middle. Thorax 

 as wide as long, smooth at middle, coarsely and rather evenly punctate at 

 sides. Elytra slightly wider than thorax, together a little longer than wide. 



