TANYMECUS. 229 



Tanymecus. 



Elongate. Black ; closely covered with scales and 

 hairs, on npper-side brownish-gray, on sides and under- 

 side grayish-white. Rostrum with an indistinct impres- 

 sion ; elytra with distinct punctured striae. L. 4 — 4J 1. 

 Moderately common. T. palliatus, Fab. 



Polyclrosus, 



A, Scape of antennae reaching beyond eyes. 



a. Last five joints of funiculus of antennae nearly round. 



Elongate. Black ; antennae and legs red ; upper-side 

 brown ; sides of thorax, sides (sometimes dilated obliquely 

 from shoulder) and apex of elytra, also a band (curved 

 backward) behind their middle, and the under-side with 

 grayish- white scales. Thorax as long as broad, sides almost 

 straight ; femora not toothed. L. If — 2i 1. Common. 



P. undatus, Fab. 



&. Last five joints of funiculus of antennae obconical. 



I, Elytra without line of paler scales at sides. 



1, Scales on elytra evenly distributed. 



A A. Upper-side without hairs ; femora indis- 

 tinctly toothed. 



Oblong. Black ; antennae rust-red, apex of separate 

 joints and the club brown ; covered with rather dull green 

 scales, without pubescence. Forehead flat, sometimes im- 

 pressed in middle ; rostrum a little shorter than head. L. 

 2| — 3 1. Very rare. P. planifrons, Schoenh. 



a jB. Upper-side with hairs; femora not toothed. 



a a. Vertex of head without prominences ; 



scales dull. 



Elongate. Black ; antennae and legs reddish-yellow ; 



closely covered with green scales and upright, brownish 



pubescence. Rostrum very short ; thorax somewhat 



broader than long. L. 2\ — 3 1. Rare. 



P. flavipcs, De G. 

 b b. Vertex of head with a large transverse 

 prominence on each side above eyes ; scales 

 shiny. 



Oblong, narrower than P. Jiavipes. Black ; antennae 



