MICRORHIANUS.—EUGEREUS. 259 
One pair. Very like I. hamatus, but with the prothorax almost impunctate, the 
elytra more parallel-sided and depressed along the suture anteriorly, the prosternum 
deeply sulcate and almost bare, the anterior cox more widely separated, the tarsi 
ferruginous, and the anterior tibial claw small in both sexes. 
EUGERAUS, gen. nov. 
Mandibles rather long, curved, strongly decussate; rostrum cylindrical, arcuate, about as long as the elytra; 
prothorax subconical, deeply sinuate at the base; scutellum free, subquadrate; elytra subtriangular ; 
pygidium not visible; femora clavate, the anterior and intermediate pairs each with a long, and the 
posterior pair with a shorter, tooth; anterior coxe widely separated; prosternum armed with two 
spines, and also excavate down the middle anteriorly in the g; tarsal claws free; body elongate- 
rhomboidal, clothed with a fine vestiture above and beneath. 
Type, ZL. unifasciatus. 
_Hugereus includes two closely allied forms from Mexico and Panama respectively. 
Both have the general facies of a small Cholus. The mandibles are somewhat sickle- 
shaped. Males only are known. 
1. Kugerzus unifasciatus, sp. n. (Tab. XIV. figg. 16, 16a, 3.) 
Nigro-piceous, the legs in part ferruginous in one specimen ; above and beneath very sparsely clothed with fine, 
hair-like, ochraceous scales, the elytra with a dense, narrow, transverse fascia of coarser ochreous scales 
beyond the middle. Head closely punctate ; rostrum rather stout, coarsely striate-punctate, the antenne 
inserted at the middle. Prothorax broader than long, subconical, the sides somewhat rounded posteriorly ; 
densely, confluently punctate, the narrow interspaces raised into curved oblique ridges. Elytra much 
wider at the base than the prothorax; finely punctate-striate, the interstices flat and transversely rugose. 
Beneath closely, coarsely punctate, the transverse prothoracic sulcus strongly foveolate behind the eyes. 
Prosternum armed with two short spines, and also broadly excavate anteriorly. First ventral segment 
slightly hollowed down the middle. Anterior tarsi somewhat dilated, joint 2 strongly transverse. 
Length 6-71, breadth 2,%-3 millim. (¢.) 
Hab. Mexico, Jalapa (Hége), Chiapas (Sad/é). 
Two specimens, varying a little in the width of the narrow elytral fascia. The elytra 
themselves are relatively broader at the base than in £. discifer, and the markings are 
very different. 
2. Eugereus discifer, sp. n. (Tab. XIV. figg. 17, 17a, ¢.) 
Piceous, variegated beneath with black, the antenne and legs (the knees excepted) more or less ferruginous ; 
above somewhat thickly, the under surface and legs sparsely, clothed with fine, narrow, ochreous scales, 
those on the prothorax longitudinally arranged, the elytra with a common, heart-shaped patch before 
the middle and the apex black. Head closely punctate; rostrum rather stout, thickened towards the 
base, striate-punctate, the antenne inserted at about the middle, the antennal club acuminate-ovate. 
Prothorax broader than long, subconical, constricted in front, the sides somewhat rounded posteriorly ; 
densely confluently punctate, the narrow interspaces raised into curved oblique ridges. Elytra finely 
punctate-striate, the interstices flat and transversely rugose. Beneath closely punctate, the transverse 
prothoracic sulcus strongly foveolate behind the eyes. Prosternum armed with two porrect spines, and 
also deeply excavate anteriorly. First ventral segment slightly hollowed down the middle. 
Length 51-6, breadth 23 millim. (¢.) 
~ Hab. Panama, Bugaba, Volcan de Chiriqui (Champion). 
2LL 2 
