378 CLAVICORNIA — TRICHOrTEKYGIDAE. 



1, Head without impressions near eyes ; elytra 

 with fine rows of punctures. 



Ovate, very convex. Deep Lhick ; antennae and legs 

 yellow, club of former brownish ; under-side black, with 

 coxae yellow. Head rather large ; thorax broadest behind 

 middle, sides strongly rounded and scarcely l^ordered ; 

 elytra not much longer than together broad, widest much 

 before middle, strongly narrowed behind. L. yV — -^ 1. 

 Common. P. tiitidu7ii, Heer (pttsilluiii, Sharp's Cat.) 



2. Head with three impressions, forming a triangle, 

 near each eye ; elytra almost impunctate. 



Ovate, very convex. Black ; antennae and legs yellow, 

 club of former brownish ; under-side black, with mouth 

 pitchy and coxae and apex of metasternum yellow. Head 

 very large ; thorax broadest in middle, sides rounded, but 

 not strongly, rather broadly bordered, basal depressions 

 very large ; elytra one-third longer than together broad, 

 widest before middle, much narrowed behind. L. yV — j^ 1. 

 Eare. -P. laevigatwm, Gill. 



II. Outer pair of depressions on base of tliorax large, 

 inner pair small. 



Ovate, convex, Pitch-])lack ; antennae and legs yellow ; 

 under-side black, with nioutli and coxae yellow. Head 

 with two small impressions near each eye ; thorax not 

 much broader than head, widest in middle, disc with shal- 

 low punctures, sides rounded but not strongly bordered ; 

 elytra about one-fourth longer than together broad, widest 

 somewhat before ndddle, with distinct rows of punctures, 

 apices narrow, obtuse. L. y'V — rV 1- Rare. 



P. Kraatzi, Mat. 



III, All basal depressions on thorax small. 



1. Elytra reddish-pitchy. 



A A. Head and tliorax black, latter broadest 

 somewhat behind middle. 



Ovate, short, very convex. Antciniae and legs yelloAV, 

 under-side reddisli-])itchy, witli head, coxae and abdomen 

 lighter. Head witli two small impressions near each eye ; 

 thorax broader than head, disc almost impunctate, sides 

 strongly rounded, bordered ; elytra only slightly longer 

 than together broad, somewhat abruptly dilated behind 



