288 PHYTOPHAGA — HALTICIDAE. 



d. Elytra with side margins lighter. 



Ovate, not very convex. Black ; thorax yellow-red, 

 anterior margin often black ; elytra black, with a broad red- 

 yellow border ; base of antennae and legs (except posterior 

 femora) reddish. Thorax smooth, elytra finely punctured. 

 L. f — 1 1. Moderately common. T. dorsalis, Fab. 



-B. Elytra unicolorous brown, or red-brown. 



a. Antennae entirely reddish ; outer margin of elytra 

 with long curved hairs. 



Ovate. Dark brown or black-brown ; legs reddish, pos- 

 terior femora rather darker at apex. Thorax half as broad 

 again as long ; elytra confusedly punctured, tolerably 

 strongly at base, gradually more indistinctly toward apex, 

 where the punctuation is almost effaced. L. 1 — 1^ 1. 

 Moderately common. T. castanea, Foudr. 



6. Antennae black at apex ; outer margin of elytra 

 without hairs. 



I» Thorax nearly as long as broad; punctuation of 

 elytra fine. 



Ovate, convex. Eed-brown, rather dull ; mouth, eyes 

 and apex of antennae black. Punctuation of thorax fine, 

 not close, that of elytra more distinct and scattered. L. 1 

 1. Eather common. T. hrunnea, Duft. 



II, Thorax transverse ; punctuation of elytra strong. 



1. Body convex; length f — 1 line. 



Ovate, convex. Blackish-brown or red-brown ; base of 

 antennae and legs red-yellow, posterior femora brown above. 

 Punctuation of thorax very close, but indistinct. Eather 

 common. T. her id a, Scop. 



2. Body rather convex ; length f — f line. 



Oblong-ovate, rather convex, shiny. Brown or pitch- 

 brown ; shoulders, outer margin and apex of elytra, base of 

 antennae and legs paler. Thorax transverse, very finely 

 granulate and minutely punctured ; elytra with shoulders 

 scarcely prominent, distinctly, closely and confusedly 

 punctured in wrinkles, apices separately obtusely rounded ; 

 apterous. L. §; — f 1. Scarce. T. fuscula, Kuts. 



C. Elytra yellowish, with suture darker. 



a. Suture generally blackish. 



