and Central American Malachiidae and Melyridae. 37 



testaceous, the rest of the elytra violaceous; clothed with fine 

 cinereous pubescence intermixed with long, erect, black, bristly 

 hairs. Head densely, very finely punctate, transversely depressed 

 in front; antennae with joint 1 broadly widened outwards, curved, 

 convex within, 2 transverse, subangularly dilated externally, with 

 a very long, slender, curved appendage, 3-9 transverse, subequal, 

 feebly serrate. Prothorax transverse, minutely punctate. Elytra 

 comparatively short, densely, rather finely punctate. 

 Length StV? breadth 1| mm. 



Bob. Mexico, Acapulco (Hoge). 



One male. A small, comparatively short form, approach- 

 ing C. histrionicus and C. blandus, with testaceous antennae, 

 prothorax, tibiae, and tarsi, and nigro-caeruleous femora, 

 the testaceous anterior portion of the head trilobed, the 

 elytra somewhat finely punctate and with the rather 

 narrow, common, violaceous basal fascia truncate behind. 

 The antennae are shghtly infuscate towards the tip and 

 the appendage of the second joint is very long and slender. 

 C. tibialis, Schaeff., from Arizona and New Mexico, is 

 a nearly alHed insect, with a longer, narrower, and less 

 sinuate basal joint to the male-antenna, the elytra less 

 shining, etc. 



[Collops quadriguttatus, n. sp. 



(J. Rather elongate, shining, testaceous, the head to the anterior 

 margin and sterna black, the scutellum and elytra each with a 

 large patch at the base and a still larger one on the disc towards 

 the apex, neither of them reaching the suture or outer margin, 

 nigro-caeruleous, the posterior femora and tibiae slightly infuscate ; 

 sparsely clothed with fine cinereous pubescence intermixed with 

 long, erect, black, bristly hairs. Head sparsely, minutely punctate, 

 depressed and smoother on each side before the eyes; antennae 

 long, joint 1 strongly curved, much widened outwards, hollowed 

 externally, 2 with a very long, curved appendage, 3-10 decreasing 

 in width, longer than broad, 3 acutely serrate. Prothorax large, 

 transverse, very sparsely, minutely punctate. Elytra closely, 

 finely punctate, the interspaces between the punctures densely 

 alutaceous. 



Length 5, breadth 2J mm. 



Hab. California {Mus. Brit.). 



One male. This N. -American insect was received many 

 years ago by the British Museum, and as it cannot be 

 identified with any of the species enumerated by Fall, 



