388 RHYNCHOPHORA. 
Six examples. Not unlike C. cordatus and C. gibbirostris, but with the vestiture 
bluish, the femora with a minute prominence exterior to the tooth, and the prothorax 
less nodose on the disc. There is an unnamed Colombian specimen of this species in 
the British Museum, and also another of a nearly allied insect from Brazil. 
84. Conotrachelus cestrotus. (Tab. XIX. figg. 26, 26a, 3.) 
Conotrachelus cestrotus, Faust, Stett. ent. Zeit. 1893, p. 858°. 
Subovate, rather dull, black or piceous, the elytra with a common, broad, curved, reddish fascia towards the 
apex, this colour sometimes extending over the greater part of the upper surface (the large, almost bare, 
elytral prominences, however, always black), the antenna, the legs in part, and sometimes the rostrum, 
ferruginous ; the vestiture very fine and close, ochreous, slightly intermixed with white, the prothorax 
with a narrow angulated white line on each side of the disc, extending on to the base of the third elytral 
interstice, the latter also with a white streak towards the apex, the curved subapical fascia greyish, the 
femora biannulate with white, the clothing of the under surface very sparse and white. Head convex, 
densely punctate, slightly depressed between the eyes; rostrum exceedingly stout, curved, about as long 
as the head and prothorax, rugulose and squamuse, sulcate laterally and sharply unicarinate above, bare 
and sparsely punctate at the tip, smoother from the middle onwards in the 9, the antenne inserted a 
little before the apex, joint 2 of the funiculus shorter than 1. Prothorax transversely subquadrate, 
abruptly narrowed in front, the base feebly bisinuate; the surface uneven, closely punctate, carinate 
down the centre, the carina widening out into a smooth flattened space behind, the disc with two 
tubercles at the middle, and sometimes two small prominences at the apex and two towards the base. 
Scutellum bare. Elytra subtriangular, a little rounded at the sides, the latter with a small conical 
prominence below the base beneath, the humeri obliquely truncated; coarsely seriate-punctate, the 
punctures becoming fine on the subapical fascia, the interstices rugulose, 3, 5, 7, and 9 very sharply 
costate, the ridge on 3 and 5 abruptly twice interrupted, the median elevation on 3 very large, 
lamelliform, and somewhat pointed behind. Mesosternum slightly protuberant in front. Ventral 
segments shining, very sparsely minutely punctate. Femora clavate, unidentate. Tarsal claws with a 
short tooth. 
Length 33-44, breadth 2,4,-23 millim. (¢ 9.) 
Hab. Mexico, Teapa (H. H. Smith); Panama, Bugaba (Champion).—VENEZUELA ! ; 
GvuIANA; AMAZONS }, 
Seven examples, all but one from Mexico. ‘The two very large, lamelliform, almost 
bare, black dorsal prominences on the elytra, the unequal seriate punctuation of the 
latter, the bituberculate prothorax, the sharply unicarinate, squamose, very stout 
rostrum, &c., separate this species from C. arachnoides and others here described. 
Our specimens agree very nearly with a co-type of C. cestrotus communicated by 
Dr. Heller. 
85. Conotrachelus spinifer, sp. n. (Tab. XIX. figg. 27, 27 a, 2; 274, 
hind Jeg.) 
Subovate, moderately shining, black, the elytra variegated with ferruginous, this colour extending to the large 
dorsal prominences, the head, rostrum (except at the tip), and antennew, and the legs in great part, 
ferruginous ; the vestiture very fine and unequally distributed, whitish and ochreous intermixed, almost 
absent from the middle of the prothorax, condensed into a broad band at the sides of the latter, whence 
a curved line extends inwards, that of the basal portion of the elytra dense, the apical declivity reticulate 
or fasciculate with white, the head with a conspicuous white patch, and the femora also biannulate with 
