| January 1885. BULLETIN BROOKLYN ENTOM. SOC. VOL. VIL. 117 
DRYOBIUS, /<c. 
Contains one species: 
D. sexfasciatus, Say, Proc. Ac. III, 1824, p. 415. 
A rare and beautiful insect easily recognized by the conspicuous 
bands of golden yellow pubescence, of which the thorax bears two and 
the elytra four, all except the anterior reaching from margin to suture. 
The hair on antennz is very long. Length .75 to 1.10 inch. = 19—27.5 
mm. Hab. Mississippi Valley. 
HAPLIDUS, Ze. 
Contains one species: 
H. testaceus, Lec. $.M.U., No. 264, 1873, XI. p. 176. 
A slender brownish insect easily known by the short slender palpi, 
and by the eyes being less deeply emarginate than in the other genera 
of the group, and scarcely embracing the base of the antennz, . which 
are inserted on a line with their front margin. Length .36—.56 inch. 
=g—14.mm. Hab. California, Utah. . 
ACHRYSON, ‘. 
Slender, subcylindrical species, with slightly dilated palpi. “Two 
are known, distinguished as follows: 
SYNOPSIS OF ACHRYSON. 
Mesosternum wider, truncate at tip; elytra armed with terminal spine ..... surinam, 
Mesosternum narrow, subtriangular; elytra rounded at tip................ concolor, 
A, surinam, Linn. Syst. nat. ed. XI, p. 632; longicolle Deg. Mem. V, p. 117, 
t. 14, f. 11; pallens, Fab. Ent. Syst. 1, 2, p. 297; surinumense Oliv. Ent. IV, 67, p. 
42, t. 14, f. 93; Chev. Ann, Fr. 1862, p. 264° 
Color ferruginous, elytra with a few oblong black points; antennz 
darker, a little longer than the body; eyes black; thorax rounded. 
Length .65 inch = 16 mm. Hab. Middle States to Mexico. 
A. concolor, Lec. S.M.C., No. 264, 1873, XI, p. 176. 
Same form as preceding but smaller; uniform brownish testaceous, 
thinly clothed with long pale hairs; the head and thorax are coarsely 
punctured, the latter not deeply but so closely as to produce a reticulate 
appearance, and in the center of each puncture is a small puncture from 
which proceeds a long white hair. ‘The elytra are paler, polished, with 
rows of very distant large punctures, from which proceed long flying ° 
hairs. Length .34 inch. = 8.5 mm. Hab. Texas. 
