THE DARKUNIi HEETLES. 1 '_'.")'.) 



punctate and with a rounded elevation above the base of antenna'. Thorax 

 twice as wide as long, abruptly narrowed each side in front of hind angles, 

 the latter acute; margins distinct, reflexed ; surface coarsely and rather 

 sparsely punctured. Elytra with coarse, deep, irregular punctures. Length 

 5-5.5 mm. 



Throughout the State; frequent in sandy localities beneath bark, 

 logs and stones. Hibernates. March ID-December 25. 



XVI. PARATENETTS Spin. 1S44. (Gr., "close together + to ex- 

 tend.") 



Small, oval convex brownish species, easily known by the char- 

 acters given in key. The thorax is narrower than the elytra and 

 has the side margins distinctly toothed. Two species are known 

 from the State, while another may occur. 



KEY TO INDIANA SPECIES OF PARATENETUS. 



a. Sides of thorax with five to seven teeth ; elytra moderately convex. 

 l>. Sides of thorax rounded in front, gradually narrowing behind the 

 middle. PUNCTATUS. 



l>b. Sides of thorax strongly rounded from the front to the hind angles. 



2327. FUSCUS. 

 aa. Sides of thorax with three teeth ; elytra strongly convex. 



2328. GIBBIPENNIS. 



P. pii-nctalu? Spin., reddish-brown, length 3-4 mm., occurs in 

 the Middle and Eastern States, and has been recorded from Cin- 

 cinnati. 



2327 (7491). PARATENETUS FUSCUS Lee., Agass. Lake Sup.. 1850. 223. 

 Elongate-oval, convex. Dull reddish-brown, sparsely clothed with tine, 



silky, yellowish pubescence; club of antenna 3 piceous. Thorax slightly 

 broader than long, convex; surface, as well as that of head, coarsely. 

 densely and continently punctured. Elytra with sides parallel for three 

 fourths of their length, thence rounded to apex; surface coarsely, densely 

 and irregularly punctured. Length 2-2.5 mm. 



Southern half of State; scarce. May 11-June 20. Taken by 

 sifting dry leaves. Its range is given as "Canada and the States 

 bordering the Great Lakes." 



2328 (- -). PARATENETUS GIBBIPENNIS Mots., Bull. Mosc., 1868, 193. 

 Narrowly oval, strongly convex. Piceous or dark reddish-brown, sparse- 

 ly pubescent: antenna 1 and legs paler. Thorax convex, sides rounded on 

 apical two-thirds, parallel and a little narrowed toward the base: margins 

 each with three blunt teeth near middle ; surface very coarsely and densely 

 punctate. Elytra very strongly convex or gibbous ; surface coarsely and 

 rather closely punctate. Length 2-2.5 mm. 



