lOH GEO. H. HORN, M. D. 



the thorax and the more distinctly punctured surface. The only 

 variation is that due to the tendency of the blue metallic surface to 

 piceous green or coppery-bronze. 



From the fact that the hind tibiae of the female are curved (but 

 less than in the male) in this species, it is possible that the other two 

 species with curved tibiae in the male may have similar females. In 

 that case they would form a series by themselves in the genus, as 

 the genus might be divided into Scelida for those with straight hind 

 tibite, and Scelolyperns for the others. 



Collected by Mr. E. A. Schwarz at Hood River ^()>J)^\ Oregon ; 

 another in my cabinet from northern California. 



S. loiigulus Lee. (Luperus), Pacific R. E. Rep. Ins. p. 69; Proc. Acad. 1865, 

 p. 209 ; nigrocyaneus Lee, Bull. U. S. Geol. Surv. 1879, p. 517. — Form narrow, 

 elongate, piceous, with slight green-bronze lustre. Antennse more than half the 

 length of the body, piceous, the three basal joints paler beneath. Head smooth, 

 black. Thorax broader than long, slightly narrower in front, sides arcuate ante- 

 riorly, then slightly convergent to base, disc convex, usually sparsely punctate. 

 Elytra elongate, nearly parallel, the surface slightly scabrous, distinctly aluta- 

 ceous and not punctate. Body beneath piceous, shining. Legs piceous, the front 

 tibiie. somewhat paler. Length .18 — .20 inch. ; 4.5 — 5 mm. 



Male. — Last ventral segment truncate at middle with a slight sinuation each 

 side, the disc slightly concave. 



Female. — Last ventral longer, oval at tip. 



This species varies but little. The thorax is usually distinctly 

 sparsely punctate, but specimens occur quite smooth. Typical speci- 

 mens of nigrocyaneus show that they differ merely in smaller size 

 from longula. 



Occurs in northern California, Oregon, Nevada, Montana, Col- 

 orado, Utah and Texas. 



S. decipiens n. sp. — Form narrow, elongate, nearly as in longula, piceous, 

 shining, with a faint bluish lustre. Antennae more than half the length of the 

 body, piceous, the four basal joints yellow in great part, the outer joints broad- 

 ened and flattened, the eleventh distinctly longer than the tenth, joints 2-3-4 

 gradually longer. Head finely transversely wrinkled, the transverse groove 

 entire. Thorax very little wider than long, widest in front of middle, sides 

 feebly arcuate, hind angles sharply rectangular, disc nearly smooth % , sparsely 

 punctate at base and sides J . Elytra nearly twice as long as wide, alutaceous, 

 very sparsely minutely punctate. Body beneath piceous. Legs piceous, the 

 anterior tibife at knee and the first joint of all the tarsi at base yellowish, 

 liength .16 — .18 inch.; 4 — 4.5 mm. 



Male. — Last ventral segment prolonged at middle in a short truncate lobe; 

 tarsi not dilated ; outer joints of antennae slightly concave on the underside. 



Female. — Last ventral ova! at tip ; outer joints of antennae not concave. 



This species resembles longula so closely that it would be mixed 



