28 Mr. G. C. Champion's Revision of the Mexican 



12. Collops quadricolor, n. sp. 



Collops tricolor, Gorh., Biol. Centr.-Am., Coleopt. iii, 2, 

 p. 113 (part.). 



(J. Black, the labrum and clypeus, the bases of the mandibles 

 and palpi, joints 1 and 2 of the antennae (the lower surface of 2 

 excepted), the prothorax, and abdomen testaceous, the head through- 

 out and the elytra bluish-green, the elytra with a narrow elongate- 

 triangular patch at about the middle of the outer margin and the 

 inner edge of the sutural carina testaceous and a common, broad, 

 indeterminate submedian fascia violaceous; clothed with cinereous 

 pubescence intermixed with very long, erect, black, bristly hairs, 

 the cinereous adpressed hairs on the head long and conspicuous. 

 Head densely, uniformly punctate; antennae with joint 1 long, 

 obconic, 2 with a short appendage received in the cavity beneath 

 the reflexed inner margin, 3-9 moderately widened, subequal in 

 width, 3 and 4 about as long as broad, 5-9 slightly longer. Prothorax 

 transverse, shining, sparsely, minutely punctate. Elytra oblong, 

 densely, rather finely pimctate. 



Length 6f , breadth 2^ mm. 



Hab. Mexico, Oaxaca (Hoge). 



One male. It is probable that the pecuhar coloration 

 of the elytra of this insect is not constant ; but assuming 

 the elytra to be wholly blue the specimen cannot be included 

 under C. paradoxus or C. amplicollis, and if one of the 

 vittate-series it does not agree with C. vittatus or any of its 

 alUes. C. quadricolor is, therefore, treated as a distinct 

 species for the present. C. quadricolor is the only known 

 Mexican form with a common violaceous submedian fascia 

 bordered externally by a narrow oblong-triangular, 

 testaceous patch. It is about the same size as C. 

 paradoxus. C. sublimbatus, Schaeff., has somewhat 

 similarly coloured elytral margins. 



13. Collops granellus. 



Collops granellus, Fall, Journ. N. York Ent. Soc. xx, pp. 

 253, 265 (c^?) (1912). 



(J. Head around the points of insertion of the antennae, the 

 antennae themselves, the anterior femora and coxae, and the base 

 of the intermediate femora, testaceous; antennae stout, joint 1 

 broad, triangular, flattened, a little longer than wide, 2 with a short 

 appendage which is received in repose beneath the inner reflexed 



