piiilo:ntiius. 263 



III. Thoi-iix red-brown, except a blackish spot before 

 middle of disc. 



Elongate. Head and abdomen black-brown ; elytra, 

 apex of abdominal segments, legs and antennae red-brown, 

 latter darker in middle and rather short, with penultimate 

 joints rather strongly transverse. Head large. Punctua- 

 tion of elytra rather close and fine, of al)domen not so close. 

 Anterior tarsi simple in both sexes. L. 3| — 4 1. Kare. 



P. fiiscus, Gr. 

 b. Elytra distinctly longer than thorax, dull ; head 

 square, broader than thorax ; lateral seta of thorax 

 placed apart from margin. 



I, Abdomen black, with longitudinal lines of gray 

 pubescence. 



Black ; head and thorax silky looking ; elytra dull, 

 brownish-black, witli reflexed margin yellowisli, almost half 

 as long again as thorax ; abdomen extremely closely and 

 finely punctured, with faint lustre ; legs red-brown. Head 

 large ; thorax narrowed behind. L. 3| — 4 1. Common. 



P. xantholoma, Gr. 



The variety variolosus, Sharp, has the head very large, 

 with punctuation proportionately stronger, front of thorax 

 wider, causing its base to appear more narrowed, and ventral 

 abdominal segments diffusely and coarsely punctured. 



II. Abdomen red-brown or rust-red, without longi- 

 tudinal stripes. 



1, Elytra finely punctured. 



Black, shiny, slightly pilose ; elytra obscure, dull bluish ; 

 abdomen red-brown ; legs pale griseous ; antennae dark, 

 with base of first three joints and tlie apical joint dull red. 

 Head large, especially in male, fiat, irregularly punctured ; 

 thorax punctured at sides ; elytra downy, finely punctured. 

 L. 4| 1. Not common. P. fucicola, Curt. 



2. Elytra distinctly and coarsely punctured. 



Differing from P. fucicola in having a much larger and 

 fiatter head, lighter and longer antennae, rust-red abdomen 

 and distinctly punctured elytra. L. 5| — 6 1. Rare. 



P. cicatricosus, Er. 



C Thorax with a row of five impressions on each side of 

 disc. 



