38 Mr, G. C. Champion's Revision of the Mexican 



I have ventured to name it. The excavate, antero-lateral 

 portions of the head bring it near C. geminus, and the pale 

 limbs are suggestive of typical C. blandus (pulchellus). 

 From all the varieties of C. geminus the present species 

 may be separated by the more sparsely punctate elytra 

 and the wholly black, comparatively smooth head. C. 

 scutellatus, Schaeff., based on a single male from Texas, 

 is somewhat similarly coloured, but, according to Fall, it 

 has a feebly dilated subcyhndrical basal joint to the 

 antennae.] 



22. Collops balteatus. 



Collops balteatus, Lee, Proc. Acad. Phil, vi, p. 230; 

 Horn, Trans. Am. Ent. Soc. iii, pp. 80, 83; Gorh., 

 Biol. Centr.-Am., Coleopt. iii, 2, p. 315; Fall, Journ. 

 N. York Ent. Soc. xx, pp. 255, 273. 



(?. Head canaliculate on vertex, broadly hollowed in front 

 (appearing transversely tumid on each side between the eyes) and 

 also with a large depressed, smoother area on each side anteriorly ; 

 antennae with joint 1 curved, broadly widened from near the base, 

 convex above, 2 with a very long appendage ; anterior legs in great 

 part testaceous. 



$. Head llattened anteriorly, without smoother depressed lateral 

 area ; legs black. 



Hab. United States, Texas; Mexico {Mus. Brit.), 

 Tampico {Haldeman, sec. Leconte) ; Nicaragua, Managua 

 {SalU). 



I have seen six specimens of this species, one only of 

 which is a male. C. balteatus comes very near some of the 

 varieties of C. geminus, but it may be separated from them 

 by the form of the anterior portion of the head in the male. 

 The head is black, with an angularly excised testaceous 

 space in front ; the prothorax has two large black spots on 

 the disc, which are often coalescent; the blue patches on 

 the elytra are much more extended, usually leaving only 

 a narrow transverse ante-median fascia, and the suture 

 and outer hmb, rufo-testaceous. The Managua example 

 ($) was referred by Gorham to C. geminus. 



23. Collops getninus. 



Collops geminus, Er., Entomographien, p. 58 ($) ; Gorh., 

 Biol. Centr.-Am., Coleopt. iii, 2, pp. 113, 314 (part.). 



