﻿-65- 

 SYNOPSES OF CERAMBYCIDiE. 



BY CHARLES W. LENG, B. S. 

 (Continued from p. 13, vol. vi.) 



LEPTURINI. 



This tribe contains a ^reat number of species which occur on 

 flowers, and are usually prettily colored and clothed with fine pu- 

 bescence. The charcters in which they agree are those of the fourth 

 division of Cerambycinie, stated in our last paper and the following: 

 palpi always unequal, the maxillary elongated; mandibles flat, acute, 

 and fringed on the inner margin; legs slender and never very short. 

 Three divisions may be first made. 



First joint of hind tarsi with the usual l)rush of hair beneath (except in cer- 

 tain Acniieops); pnitiforax usually armed, or tuberculate at sides. 

 Prosternum prominent l^tween the coxai; antennae short, thickened ex- 

 ternally Rhagium. 



Prosternum not prominent, front coxae conical, protuberant; head not sud- 

 denly constricted behind; antennae slender Toxoti. 



First joint of hind tarsi without brush-like sole; prosternum not prominent; 

 head strongly and suddenly constricted behind; eyes linely granu- 

 lated, deeply emarginate; antennae slender Lepturae. 



RHAGIUM Fabricius. 

 R. lineatas Oliv., Fnt. iv, 69, p. 13, t. 3, fig. 22; Hakl., Trans. Am. Phil, x, p. 

 58; Harris, Ins. Mass., p. 93, etc. 

 Length 13 — 20 mm. = .54 — .80 inch. Habitat. — Sitka; N. Y., Va., N. C, 

 Mass., Mich., Me., Md., La., Pa., Lake Sup., N. Mex., Or., \'anc., 

 Idaho, Can., Ft. Simpson, Mackenzie River. 

 An abundant and peculiar species. The antennae are not as long 

 as head and thorax together, and the fifth and following joints are 

 decidedly stouter. The thorax is strongly and acutely armed at the 

 sides and bears a discoidal smooth space. The elytra bear three 

 smooth, strongly elevated costie. Color black, or partly brown, 

 mottled with lighter pubescence. 



TOXOTI. 



Eyes large, coarsely granulated; spurs terminal Centrodera. 



Eyes smaller, coarsely granulated; spurs terminal Xylosteus. 



Eyes variable; tibial spurs not terminal Toxotus. 



Eyes finely granulated; tibial spurs terminal. 

 Prothorax acutely armed on the sides. 



Eyes moderate, feebly emarginate Pachyta. 



Eyes large, strongly emarginate Anthophylax. 



Eyes very small, entire Piodes. 



Prothorax obtusely angulated, or rounded on tlie sides; eyes small, entire. 



Mesosternum not protuberant Acmaeops. 



Mesosternum protuberant Gaurotes. 



