224 RHYNCHOPHORA. 
Hab. Mexico, Yucatan (Mus. Brit.), Temax in N. Yucatan (Gawmer); GUATEMALA 
(Solari, ex coll. Jekel). 
This insect has long been known in collections under one or the other of 
Jekel’s MS. names. The numerous examples sent us by Gaumer are mostly in bad 
condition, and but few of them are of the male sex. The female is not unlike a 
Megalostylus. 
2. Steirarrhinus infucatus, sp. n. (Tab. IX. fig. 25, 2.) 
Moderately elongate, narrow (d ), broader ( 2 ), nigro-piceous, the base of the antenne sometimes ferruginous ; 
above and beneath densely clothed with cinereous scales, with minute, decumbent, hair-like scales 
intermixed. Head and rostrum narrowly sulcate down the middle, the rostrum finely carinate on each 
side towards the outer margin ; antenne slender, joint 2 of the funiculus nearly twice as long as 1, 
3-7 becoming stouter outwards, the club acuminate-ovate in 2, more elongate in g¢. Prothorax 
similarly shaped in the two sexes, transverse, the sides gradually converging forwards and slightly 
rounded towards the base; finely punctate, the disc sometimes obsoletely canaliculate. Scutellum very 
small. Elytra parallel in their basal half in ¢, widened to the middle in 9? , feebly bisinuate at the base ; 
regularly punctate-striate, the interstices feebly convex. Fifth ventral segment with a short, oblique, 
impressed line on each side at the base in 9. Anterior tibie unguiculate and closely serrulate. 
Length 6-9, breadth 2-33 millim. (¢ 9.) 
Hab. British Honpuras, Rio Hondo (Blancaneaux). 
Six females and three males. Closely related to S. conicollis, but with the prothorax 
subcylindrical and similarly shaped in the two sexes, the elytra relatively narrower in 
the female, the antennal club more elongate in the male. ‘Ihe very narrow median 
groove on the prothorax is evanescent. The elytra of the male are relatively much 
shorter than in the same sex of S. tenuicornis and S. guatemaltecus. 
3. Steirarrhinus nebulosus, sp. n. (Tab. IX. figg. 26, 3; 27, 28, 2, 
29, 3, vars.) 
Naupactus nebulosus, Jekel, in litt. 
Mimographus suavis, Faust, in litt. 
Elongate, narrow (3), much broader (@ ), piceous or obscure ferruginous; variegated with a dense clothing 
of cinereous and dark brown scales, with minute, decumbent, hair-like scales intermixed, the dark scales 
on the elytra condensed into a transverse post-median fascia, a spot near the apex, and various spots or 
streaks below the base (these markings often longitudinally confluent or partly obsolete), the prothorax 
sometimes with one or three darker vitte on the disc; the vestiture of the under surface uniformly 
cinereous. Rostrum sulcate down the middle from the arcuate inter-antennal ridge, the groove extending 
backward to near the base of the head. Antenne slender, long, shorter in Q, joint 2 of the funiculus 
nearly twice as long as 1, 3-7 subequal in length, but becoming gradually stouter, the club long, stout, 
and acuminate. Prothorax transverse, narrowed from the middle, rugosely punctate, in some specimens 
obsoletely canaliculate. Scutellum small, triangular. Elytra subparallel in their basal half in g, 
widening to the middle in 9, feebly sinuate at the base, and with rather prominent humeri; the 
-punctures of the strize frequently geminate (espevially in @ ) or arranged in sinuous lines, the interstices 
more or less convex. Fifth ventral segment with a short, impressed, oblique line on each side in trout 
in 2. Legs elongate; anterior tibie in both sexes sinuate, sharply unguiculate, and serrulate. 
