440 | RHYNCHOPHORA. 
Hab. Mexico!~, Colima, Guanajuato, Guerrero, Michoacan, Morelos, Vera Cruz, 
Oaxaca, Tabasco, Yucatan; Brirish Honpuras; GuateMaLa; Nicaragua; Costa Rica? ; 
Panama to Tabernilla, Canal zone. 
It is not necessary to enumerate the exact localities for this insect, the commonest 
Barid in our region, ranging from the Mexican States of Colima and Vera Cruz to the 
Panama isthmus, and probably extending into the northern part of South America. 
I have examined hundreds of specimens and am unable to distinguish more than one 
variable species, the black and the brassy forms of which are mentioned by Say. 
The types of B. crenatus and B., depilis, Boh., and of P. costaricensis, Solari (a 2 of the 
geneous variety), have all been examined by me, and there can be no doubt that they 
are synonymous with B. undulatus, Say, the present insect being the only Mexican 
Pseudobaris applying satisfactorily to his brief description. ‘The “type” of B. sudb- 
scabrosus, Boh., from the Chevrolat collection, communicated by Dr. Sjostedt, also 
equals B. undulatus, but as this example does not accord with Boheman’s diagnosis, 
there has perhaps been some mistake in labelling*. B. undatus, Boh., I am unable 
to identify. The present species may be known by its oblong-ovate form, the very 
shining black or somewhat brassy surface, the uneven elytra, with the interstices 
sharply costate on the apical declivity, the deep, parallel-sided prosternal sulcus, the 
stout, strongly arcuate rostrum (which is barely as long as the head and prothorax, 
and is a little smoother and more slender in the female than in the male), the sulcate, 
unarmed femora, &c. ‘The puncturing of the prothorax is coarse (except along the 
smooth median line), the transverse depressions of the elytra are sometimes shallow, 
and the white spot at the base of the third interstice varies in size, the scales being 
often abraded. SB. depilis has the sides of the prothorax more oblique than in 
BL. undulatus, but no value can be attached to this character. In one of the two 
specimens from Trece Aguas (a small, narrow, immature ¢, perhaps not really 
belonging here) the femora are distinctly toothed. Some of Biolley’s Costa Rican 
examples are labelled as having been found on “ Labiatwz.” 
29. Pseudobaris apicalis. (Tab. XXI. figg. 24, 24a, @.) 
3. Baridius apicalis, Boh, in Schénh. Gen. Cure. iii. p. 7247. 
' Baridius subscabrosus, Boh. loc. cit. p. 683°. 
3. Rostrum alutaceous and finely punctate, flattened at the apex, the antenne inserted at about the middle. 
2. Rostrum longer and smoother, flattened from near the base, becoming much thinner towards the tip, the 
autennse inserted behind the middle. 
flab. Mexico}? (coll. Solari); GuatEMaLa, Duefias, San Gerénimo ( Champion). 
I have seen twelve specimens of this species, including the type. It is narrower and 
relatively more elongate than P. undulata, the puncturing of the prothorax is denser 
* B. subscalrosus is here treated as probably synonymous with P. apicalis. 
