48 
Journal New York Entomological Society. 
[Vol. IV. 
Prothorax and legs testaceous, elytra piceous, margined at base, sides and 
suture with testaceous, epipleurse testaceous. Hind angles of prothorax 
broadly rounded. obtusus. 
Piceous, head as broad as the prothorax, hind angles of latter obtuse and slightly 
rounded. ferrugineus. 
Black or nearly so, legs yellow. 
Hind angles of prothorax very much rounded. flavipes. 
Hind angles of prothorax not or feebly rounded, margin piceous. 
Side margin of prothorax narrow, not more reflexed towards base. micans. 
Side margin broader, more reflexed near base. reflexilS. 
B. not at us Hald. —The characters given above will amply dis¬ 
tinguish this species, as it is the only one in our fauna with deep elytral 
striae and narrow convex interspaces. Length 4.5 mm. = .18 in. 
Habitat: Canada, New York, New Jersey, Illinois, Louisiana, 
Iowa. 
B. pulchellus Lee .— Above bright yellow, head black, elytra with 
a very large submedian spot on each, reaching nearly to the suture and 
each with an apical spot, black. The two spots on each elytron may 
be connected by a broad longitudinal stripe or may be quite separate. 
Beneath mostly black, the legs and prothorax yellow. Antennae dusky, 
first joint yellow. Length 5.5-6.5 mm. = .22-.26 in. 
Habitat: New York, Indiana, Illinois, Iowa, Wisconsin, Canada, 
Georgia, Florida. 
B. maculatus Lee. —Black, thorax with deep transverse im¬ 
pression, elytra orange-yellow with black markings as given in the table. 
Legs yellow, antennae dusky, first joint testaceous. Length 6 mm. = 
.24 in. 
Habitat: Pennsylvania. 
B. obtusus Lee. —Piceous, shining; prothorax, base of antennae 
and legs testaceous. Elytra obscure reddish, side margins paler. Hind 
angles of prothorax rounded, basal impressions round, deep and fovei 
form, transverse lines quite feeble, longitudinal median line deep. 
Length 5. 8-6.5 mm. — .23-.26 in. 
Habitat: Lake Superior, Montana (Helena). 
B. ferrugineus Dej. —Above, head black, thorax reddish or 
rufo-piceous; elytra piceous with bluish or greenish iridescence, mar¬ 
gin narrowly testaceous. Beneath, blackish except the prothorax 
which is reddish, legs testaceous. Antennae blackish, first joint yellow- 
testaceous. Other characters will be found in the table. Length 4.5- 
5 mm. r= .18-. 20 in. 
