36 
Journal New York Entomological Society. 
[Vol. V. 
PRELIMINARY HANDBOOK OF THE COLEOPTERA 
OF NORTHEASTERN AMERICA. 
By William Beutenmuller. 
(Continued from Vol. IV, p. 49.) 
The following description of the species of Tachys , may be of ser¬ 
vice to those desiring to identify their species. Ihe genus needs revi- 
sion and a comparison of the types of the species must be made before 
any synopsis can be prepared. 
T. proximus Say .—Head and thorax piceous; antennae rufous, 
thorax transversely subquadrate, slightly contracted behind; posterior 
angles rectangular; dorsal line distinct, basal ones indented; elytra 
testaceous with a black spot on the middle hardly attaining the mar- i 
gin, scutellar region dusky; striae very obtuse, obsolete, wanting at 
sides and apex, impunctured, intervals convex; underside piceous, 
paler at tip ; feet testaceous. Length 2.5 mm. 
Habitat: New York, New Jersey, Pennsylvania, Ohio. 
T. scitulus Lee.— Flavo-testaceous, glossy; head dark brown, 
front black; thorax convex, rounded at sides, retracted behind, hind 
angles obtuse, not rounded ; margin behind the middle reflexed ; elytra 
broader than the thorax, elongate, somewhat convex; flavo-testaceous 
with a dark brown fascia behind the middle; sutural stria entire, re¬ 
curved behind; second stria abbreviated; remaining striae almost ob¬ 
solete; fourth interval with a large piliferous puncture before the mid¬ 
dle and one near the apex; marginal stria much abbreviated anteriorl) ; 
underside rufo-piceous; legs testaceous. Length, 2.5 mm. 
Habitat : New York, New Jersey, Pennsylvania, Ohio. 
T. pumilus Dej. —Rufo-testaceous; thorax subquadrate, hind 
angles sub-acute; elytra oblong-oval, shining bluish behind; first and 
second striae distinct, external striae obsolete, with impressed punctures; 
underside blackish brown ; legs testaceous. Length, 2 mm. 
Habitat : Illinois, Florida. 
T. corruscus Lee. —Piceous, with a bluish reflection, shining; 
thorax broader than long, sides rounded, slightly retracted behind, base 
at each side obliquely truncate; hind angles strongly obtuse,, disc 
slightly convex; elytra much broader than the thorax, elongate, slightly 
narrower anteriorly, subconvex, with two piliferous punctures; sutural 
stria deep, entire, almost touching the base and strongly recurved be- 
