LOBERUS. 585 
being only indistinctly seriate, separate L. lateralis from L. brevicollis, 'The epipleure 
are a little broader than in most of the other species of the genus, and the lateral 
impression behind the shoulders is slightly more marked. One specimen. . 
10. Loberus marginalis, sp. n. 
Rufus, antennis articulis 9° et 10° nigricantibus; elytris subtiliter parum seriatim pubescentibus, ad latera 
anterius magis profunde impressis. 
Long. 23 millim. 
Hab. Guatemaua, San Juan in Vera Paz (Champion). 
This species also has tufts of pubescence on the ventral segments, but they are 
smaller than in L. lateralis. 'The difference in colour of the elytra of the two is of 
but little importance, but L. marginalis is rather larger and broader than L. lateralis, 
and the explanation of the margin of the elytra below the lateral impression is greater. 
This character distinguishes L. marginalis from most of the species similar to it at first 
sight. One specimen. 
11. Loberus humeralis. 
Loberus humeralis, Reitter, Col. Hefte, xii. p. 75 (1875) °. 
Hab. Mexico +, Motzorongo in Vera Cruz (lohr). 
Var. letus, var.n. Elytris ad apicem haud infuscatis. 
Hab. Mexico, Motzorongo in Vera Cruz (Flohr), Teapa (H. H. Smith). 
This species is remarkable on account of the regularity of the sculpture and 
pubescence ; the punctures on the elytra form quite regular, definite series separated 
by wide interstices ; the punctures are setigerous, so that the hairs also form regular 
series, there being scarcely any punctures or pubescence on the interstices. The colour 
of the elytra is deeply infuscate, the shoulders remaining conspicuously ferruginous, 
and the apex being vaguely more or less paler. Thirty specimens. 
We have a series of examples from Teapa and Motzorongo in which the infuscation 
of the elytra is much reduced, so that the apical part is broadly clear yellow, much as 
in L. sellatus: these I have called var. /etus. Thirteen specimens. 
12. Loberus discipennis. 
Loberus discipennis, Reitter, Col. Hefte, xin. p. 76 (1875) *. — 
Hab. Mexico, Teapa! (//. H. Smith). 
In this species there is a perfectly regular serial punctuation on the elytra, as in 
L. humeralis ; but the pubescence is almost entirely absent. There is a large but 
very vague, longitudinal infuscation on each end of the elytra. ‘Twelve specimens have, 
been received by us. 
BIOL. CENTR.-AMER., Coleopt., Vol. II. Pt. 1, March 1900. 4 F* 
