tHYTOBlUS. 123 



the others, especially at base. L. 1 1. Eather common. 



P. velatus, Beck. 



b. Tibiae and tarsi not fringed. ; thoracic tubercles not 

 strong. 



Black ; base of antennae and the legs (except knees and 

 tarsi) reddish-yellow ; under-side, sides of thorax and a 

 spot at base of suture of elytra closely covered with white 

 scales ; upper-side black-brown, with a silvery reflection. 

 Thorax with two extremely indistinct tubercles at anterior 

 margin and a large, pointed tubercle on each side at base ; 

 elytra as in F. velatus. L. IJ 1. Eather common. 



F. leucogaster, Marsh. 



S, Antennae inserted before middle of rostrum ; fourth 

 tarsal joint not very elongate. 



a. Club of antennae oval, pointed, scrobes straight ; 

 tarsal claws simple. 



I. Thoracic tubercles distinct. 



1, Interstices on elytra not roughened behind. 



A A, Thorax with distinct central furrow. 



Short ovate. Black ; tibiae rust-brown ; thorax with a 

 broad line of white scales on each side ; elytra with spots 

 of whitish scales, base of suture impressed, velvety-black. 

 Thorax with four tubercles and a central furrow ; elytra 

 with punctured striae, interstices convex. L. 1 1. Not 

 common. F. no tula, Germ. 



a JB, Thorax without central furrow. 



Short. Black, rather convex; antennae and legs yellow; 

 femora with a black-brown spot before apex beneath ; a 

 broad streak on each side of thorax and the under-side 

 closely covered with white scales ; elytra variegated with 

 white. Thorax closely and moderately strongly punc- 

 tured, with four not very strong tubercles, without central 

 furrow; elytra with strong punctured striae, interstices not 

 rough. L. 1 1. Not uncommon. F. Waltoni, Boh. 



2. Interstices on elytra roughened behind. 



Short ovate. Black ; upper-side spotted, under-side and 

 sides closely covered with white scales ; antennae red- 

 brown, tibiae and tarsi yellow. Forehead depressed ; 

 thorax uneven, with four distinct tubercles, disc ratlier 

 bare; elytra with punctured striae, interstices convex, 



