March 1897.] BEUTENMULLER : COLEOPTERA N. E. AMERICA. 
39 
sinuate behind, angles rectangular and with a short carina, dor¬ 
sal line moderately distinct, before the base are three punctures and 
at each side foveolate; elytra oblong-oval, a little broader than the 
thorax, bipunctate, sutural stria, deep and entire, second obliterated at 
apex, third less distinct and lateral stria obliterated. Length, 3.25 mm. 
Habitat: New Jersey, District of Columbia and westward. Al¬ 
lied to T. tripunctatus and vivax, but is more convex than the first and 
has the sides of the thorax much more rounded than the second. 
T. xanthopus Dej .. —Blackish brown, shining, antennae at base 
and legs testaceous; thorax transversely subquadrate, foveolate on each 
side posteriorly, angles rectangular ; elytra ovate, two impressed punc¬ 
tures, two dorsal striae distinct, external striae obsolete. Length, 1.75 mm. 
Habitat: New York, New Jersey and westward. 
T. ferrugineus Dej . —Rufo-piceous, elytra paler at the sides, an¬ 
tennae and legs testaceous; thorax strongly rounded at the sides before 
the middle, straight behind, disc subconvex, dorsal line fine, posterior 
transverse impression deep with three large punctures at the middle; 
at the angle deeply impressed; elytra convex, sutural stria deep and 
entire, second stria abbreviated at each end, third slightly evident with 
two punctures, marginal stria broadly interrupted. Length, 2.25 mm. 
Habitat: Massachusetts, New York, New Jersey, Ohio, Illinois, 
Arkansas, Colorado. 
T. incurvus Say. —Piceous, elytra with a honey yellow line from 
the humeri to the apex, where it is a little dilated, antennae honey yel¬ 
low; under side piceous; legs honey yellow; thorax a little con¬ 
tracted gradually to the base, dorsal line slight, basal transverse line 
deep and wrinkled; elytra polished, with a deep sutural stria, second 
stria obsolete and an interrupted stria on the lateral margin; a 
dilated indentation each side of the scutel, and a smaller one on the 
humerus. The dilated vitta on each side curves near its tip a little 
towards the suture. Length, 2 mm. 
Habitat: N. E. America. Common ; in the hills of the red ant. 
T. nebulosus Chd. —Closely allied to T. incurvus, but is less con¬ 
vex, and the thorax is less distinctly rounded at the sides and less re¬ 
tracted behind the middle. 
Habitat: Pennsylvania. 
T. granarius Dej. —Pale rufo-piceous, shinning, antennse at base 
and legs testaceous: thorax strongly rounded at sides, and retracted 
behind the middle, hind angles strongly obtuse, not rounded, basal 
