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 
Apriessizo laren 95 3 7) 4 8y fe 
2. Thorax and elytra clothed with uniform grey 
scales which, in fresh specimens, conceal the striz 
GEGUENAIECTS PB: eck bo hs th hau, Vane co 2K SQUAMULATUs, Gyli. 
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 at least 
as broad as thorax, with the suture and the 
alternate interstices white. . . . .. . T. ScCHNEIDERI, Herbst. 
(lincatulus, Brit. Cat.) 
T. VENUSTUS, L’ 
B. Thorax with a single central white line; 
elytra broader at shoulders than base of 
thorax; suture with a white band . . . . TT. POLYLINEATUS, (erm. 
2. Posterior femora not toothed. 
A. Rostrum subulate and bright red from the 
= insertion of the antennz, which are entirely 
red or red with the apex ferruginons . . . T, MELILOTI, Steph. 
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; antennze red with the apical 
portion dark . .... .. . . . T.LINEATULDS, Steph., 
nec Brit, Cat. 
(Schneideri, Brit. Cat.) 
b. Elytra without or with an indistinct light 
band at suture, 
a*, Antenne entirely red. 
a}. Clothing consisting of rather fine ob- 
long grey scales, which do not cover 
the strie of elytra . . . . . . . T. suNcEUS, 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 strim of elytra -..... «ss. 
b*, Antenna red with the apical portion 
black or fuscous. 
a. Length 2-2} mm.; thorax with the 
sides more strongly rounded . . . . 
b. Length 14-13 mm.; thorax with the 
sides less strongly rounded . . . . T. premmus, Bris. 
(brevicornis, Wat.) 
T. quinquepunctatus, L. Oblong, 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 emarginate and not 
T. TOMENTOSUS, Herbst. 
T. TIBIALIS, Boh. 
