96 7 PHYTOPHAGA.—SUPPLEMENT. 
row of punctures. The elytra are narrowed towards the apex; the punctures are 
strongly impressed immediately below the base only, the punctuation becoming very 
fine beyond and disappearing altogether near the apex; the colour, like that of the 
thorax, is fulvous, with the exception of the extreme basal margin, the latter being 
nearly black. The pygidium is finely and closely punctured and also fulvous. The 
underside shows scarcely any trace of punctuation; the prosternum is nearly twice as 
broad as long. ‘The tarsi are more or less piceous. A single specimen from Chontales 
does not seem to differ from the others, except in the breast and the anterior portion of 
the abdomen being black, which may probably be due to local variation. 
18. Monachus longicornis. 
Piceous or black, the head, antennz, thorax, and legs fulvous or flavous ; antenne proportionately long ; 
elytra piceous or black, strongly punctate-striate. 
Length ? line. 
Hab. Panama, Bugaba, David (Champion). 
In this small species the antenne are long and entirely fulvous, and in the male 
insect extend to beyond the middle of the elytra; the head is flavous and impunctate, 
and the eyes nearly meet at the vertex; the thorax is fulvous and entirely impunctate, 
about twice as broad as long, and has the anterior and lateral margins sometimes very 
narrowly pale flavous; the scutellum is narrowly elongate and raised; the elytra are 
more or less dark piceous or entirely black, strongly and regularly punctate-striate, the 
punctures visible to the apex, with the interstices more or less swollen posteriorly and 
at the sides; and the legs and prosternum are entirely fulvous, the latter being broader 
than long. The four specimens before me differ but little from each other ; but in one 
the terminal joints of the antenne are stained with fuscous. The length of these organs 
will distinguish M. longicornis from any similarly-coloured species here enumerated 
from our region. 
19. Monachus teapensis. 
Black, the head, the basal joints of the antenne, the sides of the thorax, and the tarsi fulvous; thorax impunc- 
tate, opaque; elytra finely punctate-striate, the outer interstice convex. 
Var. Head and elytra obscure bluish. 
Length }-? line. 
Hab. Mexico, Teapa in Tabasco (H. H. Smith). 
I cannot identify this insect, of which very many specimens have been received, 
with any of the species described by Suffrian, although it is no doubt very closely 
allied to several of them, in particular to M. nigritulus and MW. scrobiculatus. It will 
suffice, therefore, to point out the differences:—In most specimens of J. teapensis 
the head is fulvous, but in some it is bluish-black, the labrum, however, always remain- 
ing fulvous ; the antenne have their basal two or three joints fulvous, the others being 
