EPOMIDIOPTERON. 237 



Head covered with large, deep, non-confluent punctures ; very sparsely and shortly 

 haired ; the ocelli in pits. The antennae short and thick ; the scape beneath with some 

 long white hairs ; the flagellum covered with a microscopic pubescence. The pronotum 

 with large, deep punctures, except at the apex, which is, as usual, impunctate ; the 

 mesonotum with a few large and small punctures ; the lateral furrows deep ; the sides 

 with a row of large punctures. The scutellum with a few punctures ; the postscutellum 

 more closely and finely punctured. Median segment strongly shagreened, at the apex 

 rather strongly striolate; the middle keel not reaching the apex; the propleurae 

 punctured throughout; the mesopleurae moderately strongly punctured. Abdomen 

 with the basal segment more strongly punctured than the others ; the second segment 

 with scattered shallow punctures, the third with fewer punctures, the fourth finely 

 punctured at the apex, the fifth more strongly punctured at the apical half, and the 

 sixth rugosely punctured, reddish at the apex; the third and following segments 

 fringed at the sides with long white hairs, the fifth also at the apex; the ventral 

 segments punctured and fringed with whitish hair. The tibiae and tarsi fringed with 

 glistening-white hair ; the tibial spines black ; the calcaria white. The first recurrent 

 nervure is received in the basal third of the cellule, and is elbowed near the top, the 

 second received shortly beyond the middle ; the third cubital cellule at the top longer, 

 at the bottom shorter, than the first and second cellules united. 



Nearly related to JE. nigrum', but that species may be known from it by the head 

 and thorax being densely pilose, the pronotum having the punctures smaller and closer, 

 its apex, too, being punctured, the mesonotum more thickly punctured, the pygidium 

 densely covered with golden hair, and the hair on the tibiae fulvous, not glistening 

 white. 



6. Epomidiopteron canaliculatum. 



igrum ; abdominis apice dense fulvo-hirto ; alis fulvo-hyalinis. § . 

 Long. 8 millim. 



Hab. Mexico, Acapulco in Guerrero (H. H. Smith). 



Head densely punctured, the punctures closely set, but not confluent ; the clypeus 

 finely punctured ; the labrum rounded, carinate in the middle, dull piceous, fringed 

 with fulvous hair ; the mandibles ferruginous, black at the base and before the apex ; 

 the front, vertex, and occiput bearing fuscous hair. The scape of the antennae punc- 

 tured, bearing a few white hairs ; the flagellum covered with a fuscous down ; the basal 

 joints projecting beneath. The basal half of the pronotum coarsely punctured ; the 

 mesonotum strongly punctured, sparsely in the middle, the sides next the tegulae 

 impunctate. Scutellum sparsely, the postscutellum more finely and closely punctured. 

 Median segment coarsely alutaceous ; the apex depressed and crenulated ; along the 

 sides is a sinuated, crenulated channel ; the lateral keels curved, the central keel straight 



