390 FAMILY XI. STAPHYLINIDiE. 



(Id. Antenna^ of normal form ; tip of abdomen reddish. 



753. APICALIS. 



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



VIEIDANUS. 



(Id. Thorax oval, as wide as long, distinctly narrowed in front. 



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



pale yellow ; length 9.5 mm. conpertus. 



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



of male feebly emarginate ; length 7.5-9.5 mm. 754. aueui^ntds. 



P. serpentinus Horn, reddish-bro-\^TL, bead and thorax black, was 

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

 doubtless occurs in southern Indiana. 



7!'>2 *(2228). Philonthus baltimokensis Grav., Mon. Col. Micr., 3806, 163. 

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

 eous, the tarsi paler. Antennre 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- 

 tennae and last three segments of abdomen reddish-brown. Antennfe 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 ialtimorensis. 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. V'iridanus Horn, occurring "from the Middle States westward 

 to Missouri," and P. confertus Lee, known from Canada, Iowa. 

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

 sented in the collections. 



754 (2234). PHiLONTHfs axrulbntus Horn, Trans. Amer. Ent. Soc, XI, 



1884, 222. 

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

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

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

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

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



