PIIILONTIIITS. 269 



antennae scarcely longer than l)road. Punctuation of 

 elytra close and rather fine, of abdomen stronger and less 

 close. Anterior tarsi of male strongly, of female slightly 

 dilated. L. 4 1. Scarce. P. pitnctus, Gr. 



b. Sides of thorax with few (rarely more than twelve) 

 punctures. 



Black ; elytra greenish-bronze. Penultimate joints of 

 antennae rather broader than long. Punctuation of elytra 

 close and rather strong, of abdomen more diffuse. Anterior 

 tarsi of male moderately strongly dilated, of female simple. 

 L. 3 1 — 4 1. Not uncommon. P. pic ell a, Nord. 



F. Thorax punctured all over, except on a longitudinal 

 central line. 



a. First joint of posterior tarsi as long as fifth joint. 



Dull l)lack, witli golden-yellow pubescence on elytra and 

 abdomen ; mouth red ; antennae and legs pitchy-red or red. 

 Head and thorax closely and rather deeply punctured, latter 

 with a raised central line ; elytra and abdomen closely and 

 finely punctured. Elytra half as long again as thorax. 

 L. 2 1 1. Eatlier common. P. sericeus, Holme. 



b. First joint of posterior tarsi much shorter than fifth 

 joint. 



I. Second joint of antennae triangularly dilated. - 



Black ; head and thorax with silky appearance, elytra and 

 abdomen with dull gTay reflection ; base of antennae and 

 legs (except femora) reddish-brown. Penultimate joints of 

 antennae distinctly longer than broad. Punctuation of 

 head very close, that of thorax rather diffuse, deep, that of 

 elytra and abdomen extremely close and fine. Elytra 

 longer than thorax. L. 2 1. Ptather common. 



P. cinerascens, Gr. 



II, Second joint of antennae not triangularly dilated. 



Elytra about as long as thorax. 



I . Antennae lighter at base and apex than in middle. 

 Similar to P. villosulus but rather flatter ; antennae with 

 tliird, fourth and fifth joints dark brown, first two joints and 

 apex lighter, of the six penultimate joints the basal ones 

 distinctly longer than and the apical ones almost as long as 

 broad ; legs red-brown ; punctuation of sides of head, thorax 



