30 Coleopterological Notices, III. 



Arizona. 



A single mutilated male from the Levette cabinet. 



This species would almost seem to be generically distinct from 

 Elaphidion, but there are no characters relating- to the under surface 

 by which it can be separated. The form of the body and size are 

 almost exactly as in subpubescens, near which it may be placed for 

 the present. 



RHOPALOPHORA Serv. 



The following species is allied to longipes but differs in its broader 

 form : — 



R. meeskei n. sp. — Elongate, subparallel, deplanate above, black 

 throughout, the prothorax above and beneath rufo-ferruginous ; integuments 

 dull and strongly alutaceous. Head somewhat coarsely, deeply punctate: 

 antennse one-half longer than the body in the male, scarcely longer than the 

 latter in the female, very slender, filiform, the basal joint much thicker. Pro- 

 thorax but very slightly longer than wide ; base broadly emarginate, scarcely 

 one-half wider than the apex ; sides strongly arcuate at basal third, thence 

 convergent anterioidy ; disk moderately constricted laterally at the apex and 

 just before the base, broadly, feebly biimpressed, the impressions joined by a 

 short transverse impression, the pubescence yellow, forming two broad longitu- 

 dinal lines. Elytra nearly as in longipes, but more finely and densely cribrate. 

 Legs as in longipes. Length 7.5-8.4 mm. ; width 1.7-1.9 mm. 



New Mexico (Las Vegas). Mr. H. Meeske. 



In longipes the form is very slender, the prothorax much longer 

 than wide, truncate at base, with the punctures extremely fine and 

 sparse, while in the present form the punctures are quite coarse and 

 distinct. In longipes the pronotum is not at all impressed, and the 

 lines of extremely short fine pubescence are very narrow. 



The species of Rhopalophora within our limits may be recognized 

 as follows : — 



Pronotum impunctate ; large species, 12 mm. in length laevicollis 



Pronotum punctate ; smaller species, not exceeding 9.5 mm. in length. 

 Pronotum not rugulose. 



Prothorax narrow, truncate at base, not impressed dorsally... longipes 

 Prothorax broader, feebly biimpressed dorsally, broadly, strongly emar- 

 ginate at base ; form more robust meesltei 



Pronotum transversely plicate and rugulose rilgicollis 



The true longipes is represented before me by a good series from 

 Indiana. 



