Tychius.'] RHYNCHOPHORA. 297 



i. Clothing of elytra consisting of distinct and more 

 or less broad scales. 



1. Thorax and elytra with longitudinal bands of 

 brown and white ; scales on elytra not concealing 



strise ; size larger T. YSNUSTC8, f 



2. Thorax and elytra clothed with uniform grey 

 scales which, in fresh specimens, conceal the stria? 



of the latter T. SQUAUCLATTTS, Gyll. 



ii. Clothing of elytra consisting of fine or hair-like 

 scales or simply pubescent. 



1. Posterior femora toothed beneath. 



A. Thorax with three white lines; elytra :<t least 

 as broad as thorax, with the suture and the 



alternate interstices white T. SCHNEIDKRI, Herbrt. 



(linaUulus, Brit. Cat.) 



B. Thorax with a single central white line ; 

 elytra broader at shoulders than base of 



thorax ; suture with a white band . . . . T. POLYLHTBATUS. Germ. 



2. Posterior femora not toothed. 



A. Rostrum subulate and bright red from the 

 insertion of the antenna, which are entirely 



red or red with the apex ferruginous . . . T. MELILOTI, Stepk. 



B. Rostrum very feebly and almost imperceptibly 



narrowed from base to apex. 



a. Elytra grey with a broad and very distinct 

 white band at suture, and with very fine 

 pubescence ; antennae red with the apical 



portion dark T. LTXGATFI,ITS, Steph., 



nee Brit. Cat. 

 (Sehneideri, Brit. Cat) 



b. Elytra without or with an indistinct light 



band at suture, 

 a*. Antennae entirely red. 



af. Clothing consisting of rather fine ob- 

 long grey scales, which do not cover 



the striae of elytra T. JCXCEUS, Reich. 



(curtus, Bris.) 



bf. Clothing consisting of grey, yellowish- 

 grey, or brownish -grey pubescence or 

 very fine hair-like scales, which in 

 fresh specimens more or less conceal 



the stria? of elytra T. TOMExiosrs, Herbsi, 



b*. Antenna; red with the apical portion 

 black or fuscous. 



a. Length 2-2J mm. ; thorax with the 



sides more strongly rounded . . . . T. TIBIAIIS, Boh. 



b. Length Ig-lJ mm. ; thorax with the 



sides less strongly rounded . . . . T. PYGM.EFS, BriV. 



(brevicornis, Wat.) 



T. quinquepunctatus, L. Obloug, convex, black, thickly clothed 

 on the under surface with white scales, and on the upper with pur- 

 plish brown or golden brown scales, the central lines of thorax, a 

 rather broad sutural band, and a broad band on the side of each 

 elytron (interrupted in middle and forming two patches), being white : 

 occasionally the lateral bands are only deeply ernarginate and not 



