38 Journal Xew York Entomological Society. [Voi. v. 



T. flavicauda Say. — Black, elytra from near the middle to the 

 tip pale yellowish ; antennse, labrum and palpi pale rufous ; thorax 

 transverse, quadrate, broadest in the middle, not contracted behind, 

 hind angles rectangular ; basal edge rectilinear ; elytra with striae im- 

 punctured, wanting at the sides and tips, intervals convex; feet pale 

 rufous; venter piceous at the tip. Length, 1.5 mm. 



Habitat : N. E. America. Common under bark of decaying trees. 



T. asnescens Zee. — Pale rufo-piceous, head dark brown, elong- 

 ate ; antennae testaceous, apex fuscous; thorax transverse, quadrate, 

 sides slightly rounded, base on each side oblique, hind angles obtuse 

 and a little elevated, not rounded, disc convex; elytra fiat, with bluish 

 reflection, broader than the thorax, sides almost parallel, slightly nar- 

 rower anteriorly, apex truncately rounded, external strioc obliterated, 

 punctured, with 5 or 6 striK moderately distinct, a little deeper behind, 

 and nearly touching the base ; lateral stria broadly interrupted ; under 

 side rufo-piceous ; feet pale testaceous. Length, 2.25 mm. 



Habitat : Arkansas, Georgia. 



T. tripunctatus Say. — Piceous, head and thorax darker; anten- 

 n?e light brown, paler at base ; palpi yellowish ; thorax with the dorsal 

 line distinct, terminating on the basal margin in an impressed puncture, 

 on each side of which is another rather smaller puncture, basal lines 

 much dilated and deeply undulating the posterior edge of the thorax; 

 elytra with about four rather obtuse stria;, not extending to the tip 

 or base, lateral striiB wanting, except a marginal one which is inter- 

 rupted, on each side of scutel and on the humeri is an indention. 

 Length, 2.2 mm. 



Habitat : New York, New Jersey, Pennsylvania. 



T. vivax Zee. — Rufo-piceous, lateral margin of elytra rufo-testace- 

 ous, dilated at the apex and humeri, thorax transversely quadrate, 

 hind angles acute, base foveolate, sides strongly rounded before the 

 middle, straight behind the middle, disc moderately convex, longi- 

 tudinal line fine, transverse anterior impression absent, posterior deep 

 with three large punctures at the middle; elytra broader than the 

 thorax, convex, sutural stria entire, third and fourth strise obliterated 

 behind ; third stria with two punctures, marginal stria interrupted. 

 Legs testaceous. Length, 2.5 mm. 



Habitat : New York, Pennsylvania, Ohio and westward. 



T. capax Lee. — Convex, shining black; antennre rufo-piceous, 

 legs rufo-testaceous ; thorax strongly rounded at the sides, slightly 



