THE SILKEN Fi XOi'< BEKTLi;>. 



581 



1107 ( ). Atomabia ovalis Casey, Joum. X. Y. Ent. Soc, VIII, 1900, 



124. 



Oval, rapidly attenuate at each end. strongly convex. Black or piceous, 

 shining; legs and antennae dull brownish-yellow. Antennae stout, one-half 

 length of body in male. Thorax one-half wider than long, sides strongly 

 converging on apical half, apex two-thirds as wide as base: disk rather 

 coarsely and densely punctate. Elytra widest a little in front of middle 

 where, together, they are one-third wider than thorax, thence narrowing to 

 a rounded apex: surface rather sparsely and finely nut distinctly punctured. 

 Length 1.3-1.5 mm. 



Steuben. Kosciusko and Marion comities; frequent. April 11- 

 July 11. Taken by sifting and on the wing in early spring. 



1108 (3389). Atomabia ephippiata Zimm.. Trans. Aimer. Ent. Soc. II. 



1869. 258. 



Oblong-oval, strongly convex. Head and thorax 

 piceous; antennae, legs and elytra reddish-yellow, the 

 latter with a piceous crossbar before the middle, this 

 sometimes reaching from side to side, sometimes 

 broken into spots. Thorax strongly convex, sides 

 rounded, minutely and sparsely punctured. Elytra 

 distinctly wider, and two and a half times as long 

 as thorax, finely but distinctly punctate. Length 

 1.5 mm. (Fig. 217.) 



Throughout the State ; frequent. March 17- 



Fig. 21 t. x 20. 



Julie 22. (Original.; 



XIII. Tisactia Casey. 1900. 



Small, oval, convex species, having the thorax even and unim- 

 pressed at base; antenna? more widely separated than in Atomaria, 

 the club parallel and loosely 3- jointed ; prosternal spine broad, 

 sharply margined each side. 



1109 ( ). Tisactia svbglabra Casey. Joum. X. Y. Ent. Soc. VIII. 



1900. 126. 



Oblong-oval, strongly convex. Blackish-piceous. glabrous, shining ; ely- 

 tra (in specimen at hand) indistinctly reddish near humeri and on apical 

 third ; legs and antenna? paler. Thorax one-half wider than long, very con- 

 vex, wider at base than apex, sides feebly curved, strongly margined : disk, 

 as well as that of elytra, finely and rather sparsely punctate. Elytra wid- 

 est before the middle, as wide at base as thorax. Length 1-1.2 mm. 



Steuben County: rare. June 16. Sifted from sphagnum moss. 



Described from Indiana. 



XIV. Ephistemus Steph. 1829. (Gr.. '"'upon -to place.") 



Very small species, having the body evenly oval and rather 

 pointed behind; sides of thorax and elytra continuous, their mar- 

 gins not interrupted at the contiguous bases. 



