184 



FAMILY II. — CAKABILVE. 



c. Thorax distinctly narrowed behind, sides not depressed, base not 

 punctured ; elytra not alutaceous. 

 /. Length 9.5-10 mm. spadiceus. 

 //. Length 7.5-8 mm. 342. autumnalis. 



ee. Thorax not narrowed behind. 



g. Body oblong-oval ; thorax not distinctly narrowed in front. 

 7/. Hind angles of thorax obtuse or but very slightly rounded. 

 L Base of thorax finely punctured ; length 8.5-10.5 mm. 



FALLAX. 



ii. Base coarsely punctured ; epipleura reddish-brown ; length 

 7.5-10 mm. pleuriticus. 

 hh. Hind angles distinctly rounded; thorax one-half wider than 

 long ; length 8-10 mm. 343. herbivagus. 



gg. Body nearly elliptical ; thorax narrowed in front. 



./'. Elytra alutaceous ; sides of thorax feebly depressed ; length 

 8.5 mm. opacipennis. 

 ./'./'. Elytra not alutaceous; sides of thorax not depressed; length 

 6-7.5 mm. 344. nitidulus. 



d(l. Legs, or at least the femora, black or piceous; margin of thorax 

 not paler. 



k. Head decidedly narrower than thorax. 



I. Thorax not much wider than long : tibiae and tarsi reddish- 



brown ; length 9-9.5 mm. innocuus. 



II. Thorax distinctly wider than long; legs wholly black; length 



10-11.5 mm. rufimani s. 



JcJc. Head very large, scarcely narrower than thorax. 



m. Sides of thorax distinctly depressed, hind angles rectangular ; 

 length 12-14 mm. 345. laticeps. 



mm. Sides of thorax not depressed, hind angles rounded at apex ; 

 length 13-14 mm. 346. viduus. 



aa. Elytra very slightly sinuate at apex; abdomen with accessory seta?; 

 piceous, thorax and elytra greenish-bronzed. gravis. 



340 (1076). Harpali s dichbous Dej., Spec. IV, 1828, 258. 



Oblong-oval. Color given in key; elytra strongly iridescent; antennae 

 and legs pale. Thorax broader than long; sides broadly rounded, rather 

 widely depressed ; hind angles obtuse, somewhat rounded ; base finely punc- 

 tured. Elytral striae deep; intervals convex. Length 10-11 mm. 



Throughout the State; frequent. April 26-November 20. Oc- 

 curs beneath logs in dry, open woods. Due to its iridescence and bi- 

 colored upper surface, this is the prettiest member of the genus. 



341 (1077). Harpali s vulpeculus Say, Trans. Ainer. Phil. Soc, II, 1823, 



30 ; ibid. IL 458, 545. 

 Oblong-oval. Color of diohrous. the elytra usually paler and less irides- 

 cent. Thorax broader than long, sides rounded in front, oblique and dis- 

 tinctly converging behind ; hind angles rectangular. Elytral strife moder- 

 ately deep ; intervals convex. Length 8.5-9.5 mm. 



