272 Journal New York Entomological Society. t^'o'- ^^• 



C. confluens Lee. Proc. Acad. Nat. Sci. Phila., 1852, p. 164. 



A little smaller than vittatus and with the elytra rather narrower at the 

 humeri and more oval. Head quite distinctly and rather closely punctate, with 

 the coarser setigerous punctures strongly conspicuous. Prothorax immaculate, 

 sides more or less broadly rugulose and dull, median parts polished and finely 

 sparsely punctate. Elytra coarsely and very densely punctate, dull, the spots 

 rather narrowly confluent in typical form, but often separate, the anterior ones 

 triangular and not involving the suture at base, the posterior ones oval and not 

 attaining either suture or side margin. Venter pale rufous with terminal seg- 

 ment blackish (type) or with faint lateral shades or spots. Thighs dusky, tibiae 

 and tarsi dull rufous in the LeConte type, the front and middle thighs paler 

 in a second example. The antennse are blackish, testaceous at base, basal joint 

 (c^) slender, elongate, not excavate posteriorly ; second joint longer than wide 

 when viewed from beneath, the appendage long but less stout than in histrio. 

 The second joint in the 5 is narrowed and fully as long as the next two, nearly 

 as in pulchellus and histrio. 



The type was described from "Missouri Territory" (Kansas). 

 Specimens before me are from Kansas; Wallace, Kansas (Knaus) ; 

 Texas; Marfa, Texas (Wickham) ; Santa Fe, New Mexico (Fenyes) ; 

 City Cafion, Utah (Knaus); Utah (Liebeck). 



C. femoratus Schaef. Can. Ent., 1912, p. 186. 



Closely allied to 4-niaculatus and should intermediates occur may have to 

 be united with it. It differs from 4-maculatus in its somewhat larger size, 

 denser elytral punctuations with duller surface luster, the usually entirely red 

 abdomen in the (j", and in having the legs bicolored instead of black. In the 

 type the front and middle femora and the hind femora at base are red; in 

 another example the tibias are also in part rufescent. The J's, according to 

 Schaeffer, have the abdomen spotted with black. Length 4H mm. (head 

 deflexed). 



Arizona — Huachtica Mts. (type) ; Tucson (Wickham) ; Nogales 

 (Nunnenmacher) . 



C. 4-maculatus Fab. Ent. Syst. Suppl., 70. 



This is a rather large species, of about the same size as hipunctatus. I 

 have seen but few specimens, and these exhibit almost no variation. The 

 elytral spots are so large that it may best be described as having the elytra blue 

 with a narrow border and a transverse fascia at anterior third, yellow or rufous. 

 The basal antennal joint in the ^ is thick, subtriangular, scarcely longer than 

 wide, and sinuate on its posterior face; the second joint is more narrowed 

 apically than in any other species known to me, and is very plainly longer than 

 wide. The legs are almost entirely black, the venter heavily maculate. 



