722 FAMILY XXXVII. ELATERIDJE. 



Southern two-thirds of State; frequent. April 22-November 

 20. On leaves of May apple, Podophyttum peltalum L., and other 

 herbs in May and June. 



XVIII. ESTHESOPUS Esch. 1836. (Gr., "vestiture + foot.") 



Side margin of thorax acute from base nearly to apex; the 

 fourth tarsal joint dilated and somewhat lobed beneath; tarsal 

 claws dentate from middle to base. Of the six species known, one 

 was described from Indiana. 



1359 (4134). ESTHESOPUS CLARICOLLIS Say, Trans. Amer. Phil. Soc., VI, 



1836, 179 ; ibid. II, 616. 



Oblong, moderately robust. Piceous black, shining, sparsely clothed 

 with grayish pubescence; antennae and legs reddish-yellow. Thorax slightly 

 longer than wide, narrower in front ; sides nearly parallel behind the mid- 

 dle, curved on apical third; hind angles not divergent, obtusely rounded, 

 without carina ; basal folds small but distinct ; surface finely and rather 

 densely punctate. Elytra not wider than thorax, sides feebly curved, nar- 

 rowing on apical third, striate, the strife rather coarsely and closely punc- 

 tate ; intervals slightly convex, finely and closely punctulate. Length 7 mm. 



Described from Posey County; taken by Dury near Cincinnati. 

 ' ' Occurs from Virginia to Indiana and Texas. ' ' 



XIX. CRYPTOHYPNUS Esch. 1836. (Gr., "hidden + sleep.") 



But one Indiana species belongs to this genus as now restricted. 

 It is an oblong piceous form having the side pieces of mesothorax, 

 together with the meso- and metasterna uniting to close the middle 

 coxal cavities on the outer side. The principal papers treating of 

 the North American species of this and the next genus are by 



Horn. : 'A Monograph of the Species of Cryptohypnus of 

 Boreal America," in Trans. Amer. Ent. Soc., XVIII, 1891, 

 1-29. 



Horn. "A Note on Cryptohypnus," in Entom. News, V, 1894, 

 6-7. 



1360 (4149). CEYPTOHYPNUS ABBREVIATUS Say, Jouru. Phil. Acad. Nat. Sci., 



Ill, 1823, 173; ibid. II. 112. 



Oblong, moderately convex. Piceous with greenish-bronze lustre; ely- 

 tra often dark reddish-brown, sparsely clothed with brownish or yellowish 

 pubescence, more conspicuous on scutellmn and on sides of elytra behind 

 1he middle; legs reddish-yellow. Head coarsely, not closely punctate; 

 frontal margin depressed, s<-;uvely distinct from that of labrum. Thorax 

 slightly broader than long, narrowed on apical two-thirds, sinuate in front 

 of hind angles, which are acute, carinate. scarcely divergent ; disk convex, 



