306 RHYNCHOPHORA. 
Prosternum with a small bare fovea in the apical constriction. Anterior coxe very narrowly separated. 
Legs rather slender. 
Length 23-22, breadth 14 millim. ( 2.) 
Hab. Guaremara, Cerro Zunil (Champion). 
Two females. Not unlike G. teniatus, but narrower and smaller, the elytral 
interstices less rugose, the white scales differently arranged, the legs more slender, 
the prosternum with a bare fovea in front. 
94. Gerzeus nubifer, sp. n. (Tab. XVI. figg. 19, 194, ¢.) 
55° 
Rhomboidal, narrow, rather convex, nigro-piceous, the tip of the rostrum and the tibie and tarsi ferruginous ; 
sparsely clothed with narrow fuscous and whitish scales, the whitish scales on the prothorax condensed 
into three vittee and those on the elytra into several short streaks at the base, and a broad, indefinite, 
oblique, post-median fascia, which extends down the second and third interstices to the apex; the 
vestiture of the under surface close and white. Head finely punctate; rostrum strongty arcuate, rather 
slender, considerably longer than the head and prothorax, closely punctate, the antennw inserted at a 
little beyond the middle, the antennal club ovate. Prothorax short, narrowing from the base, feebly 
constricted in front; densely, finely punctate. Elytra subtriangular, much wider than the prothorax, 
depressed along the suture at the base, the humeri swollen; finely, rather deeply striate, the interstices 
punctulate. Beneath densely punctate; first ventral segment broadly excavate down the middle. 
Prosternum unimpressed behind the transverse subapical groove. Legs long, rather slender ; anterior 
and intermediate tarsi sharply unguiculate, 
Length 23, breadth 14 millim. (<¢.) 
Hab. Mexico, Chilpancingo (Champion). 
One male. Not unlike the Guatemalan G. leucomelas, but with a narrower and 
more finely punctured prothorax, the whitish scales on the elytra differently arranged, 
the legs longer and more slender, the tib‘e and tarsi ferruginous, the prosternum 
not foveate. Larger than G. tenuescens, the humeri more prominent, the vestiture 
differently coloured. 
95. Gerzeus teapanus, sp. n. 
Elliptic, shining, nigro-piceous, the legs and the tip of the rostrum ferruginous; sparsely clothed with small, 
narrow, white and brownish scales, the white scales on the prothorax condensed into a marginal vitta on 
each side and those on the elytra into various short streaks at the base and a large indeterminate patch 
on the disc beyond the middle; the vestiture of the elytra arranged in a single line down each interstice, 
that of the under surface sparse, fine, and white, dense on the metathoracic episterna. Head finely 
punctate ; rostrum strongly arcuate, a little longer than the head and prothorax, much thickened in its 
basal third, closely punctate, the apical portion in the @ becoming abruptly slender and almost smooth, 
the antenne inserted behind the middle. the club ovate. Prothorax short, rapidly and arcuately 
narrowing from the base, constricted in front; closely, finely punctate, with an incomplete smooth 
median line. Scutellum small, almost bare. Elytra subtriangular, sharply, narrowly striate, the 
interstices uniseriate-punctate, Beneath closely punctate; first ventral segment slightly depressed down 
the middle in the g. Prosternum unimpressed behind the transverse subapical groove. Anterior tibie 
in the ¢ sharply, in the 2 feebly, unguiculate. 
Length 23-23, breadth 2},-21 millim. (¢ 9.) 
Hab. Mexico, Teapa in Tabasco (H. H. Smith). 
One male and three females. In this insect the white scales on the upper surface 
