COLEOPTEROUS INSECTS. 
235 
RHYNCHITES COLLARIS. 
PLATE XX. Fig. 6. 
Antribus collaris, Fair. Syst. Eleuth. 
The body of this small insect is covered with 
short pubescence: the snout is rather long, de- 
pressed at the apex, and of a black colour, as well 
as the antennae. The thorax is very smooth, and 
reddish : the elytra deep blue, pretty regularly stri- 
ated : the under side and legs black. Found in 
Carolina. 
The very remarkable genus Brentus has filiform 
antennae, occasionally with the last joint thickened 
— the rostrum very long and advanced — the whole' 
body unusually narrow, and the penultimate joint 
of the tarsi bilob ed. 
BRENTUS ANCHORAGO. 
PLATE XXL Fig. 1. 
Curculio Anchorago, Linn. — Degeer , Mem. Insect, v. 273. 
Body very narrow and elongate, shining black ; 
the markings differing a little in the two sexes. In 
the male the head has a groove in front, which is 
wanting in the female. In the latter the thorax is 
somewhat contracted in the middle, and in both 
sexes it has a groove extending from the middle to 
