H. O. FALL. 



157 



Superior), and agreeing in general structure and facies, there are 

 two or three differences, not elsewhere recognized as sexual, which 

 indicate the possibility of its not being the true male of serricollis. 

 In this male all the femora are stouter than in any of the five 

 females, the middle coxa? are more narrowly separated and the pro- 

 notal fovea is less distinct and not evidently produced laterally. 



The two type specimens in the LeConte collection differ from 

 each other somewhat, notably in the length of the presternum 

 before the coxa*, and in its sculpture ; and in one of them the fifth 

 ventral is compresso-carinate at tip— probably a malformation. 



More specimens are necessary before we can decide whether these 

 variations are individual or specific. 



C poculifera sp. nov. — Elongate, moderately convex, rufotestaceous ; 

 pubescence of moderate length, recumbent. Head finely, sparsely punctate; 

 eyes rather small ; lempora longer than in allied species, being about one-fourth 

 the length of the eye. Antennae, moderate, first two joints of club about as long 

 as wide. Prothorax one-third wider than long, subcordate. side margins denticu- 

 late, more strongly so toward the. base; surface rather sparsely punctate, the 

 punctures separated on the average by about twice their diameters; antebasal 

 fovea moderately impressed and vaguely produced toward the sides. Elytra 

 three times as long as the prothorax and nearly one-third wider; sides sub- 

 parallel and broadly arcuate; striae distinctly though lightly impressed; intervals 

 feebly convex, with the usual series of finer punctures, which, like those of the 

 striae, become feebler and smaller apically. Sterna sparsely, rather coarsely 

 punctate, the metasternuni more finely at the middle. Ahdomeu very sparsely 

 finely punctulate, the first segment a little more distinctly so. Metasternuni dis- 

 tinctly longer than the first ventral at sides. Middle coxae separated by about 

 one-half the coxal width. Legs moderate. (PI. V, fig. 47). 



Male. — Front and middle tibiae slightly bent at tip and internally mucronate ; 

 hind tibiae apparently very feebly mucronate; fifth ventral with a large moder- 

 ately deep subtransverse fovea, which occupies the entire segmental length. 



Female. — Tibise unmodified ; fifth ventral a little longer than in the male, and 

 with a still larger and very deep fovea. 



Length 2-2.2 mm. 



Hab. — Western Nevada. 13 examples. 



There will be no difficulty in recognizing this species among any 

 now known to us, by the very large and deep fovea of the last ven- 

 tral segment. 



V. prioiiodera Lee. — Elongate, feebly convex, rufotestaceous; pubescence 

 cinereous, recumbent. Head more strongly and closely punctate than in the 

 preceding allied species, the punctures being separated by rather less than their 

 own diameters; tempo ra well developed, fully one-fourth as long as the eyes; 

 antennae moderate, the ninth and tenth joints siibquadrate. Prothorax subcor- 

 date, but little wider than the head and a little wider than long; side margin 



TKANS. AM. ENT. SOC. XXVI. DECEMBER, 1899. 



