CRYrTOOErHALUS 259 



Black ; thorax as above ; elytra pale yellow, with suture 

 and a broad longitudinal streak on each black ; male with 

 greater part of forehead, female with its apex only and two 

 spots on vertex yellow. Thorax closely covered with very 

 fine wrinkles ; elytra with deep punctured striae. L. 1 1. 

 Common. C. hilineatus, Lin. 



b h. Thorax entirely yellow. 



A a. Elytra with punctured striae through- 

 out. 



Head, thorax and legs red-yellow ; elytra yellow, usually 

 with suture and rarely shoulders black ; breast and abdo- 

 men black, with a yellow-brown spot beneath shoulders. 

 Thorax impunctate. L. 1 1. Common. 



C. minutus, Fab. 



IB h. Punctured striae on elytra almost 

 effaced from middle. 



Brown-yellow ; breast and abdomen black ; elytra either 

 unicolorous or marked with black. Thorax impunctate. 

 L. I — 1^ 1. Common. C. pusillus, Fab. 



3, Elytra entirely black. 



A A. Thorax entirely black. 



a a. Antennae black at apex. 



A a. At least inner striae on elytra effaced 

 toward apex. 



Black ; front of head, base of antennae and the legs 

 reddish-yellow. Thorax smooth. L. 1 — 1^ 1. Common. 



C. lahiatus, Lin. 



JB &. Striae on elytra regular throughout. 



Black ; base of antennae and the legs yellow, with pos- 

 terior femora darker ; male with under-side of head and 

 two oblique lines on forehead yellowish ; female with 

 mouth only pitch-brown. Thorax with fine scratches. L. 

 1 — 1^ 1. Eare. C. JVasastJernae, Gyll. 



b b. Antennae entirely yellow. 



Black ; antennae, under-side of head and legs yellow ; 

 male with front of head yellow ; female with only mouth 

 brownish. Thorax impunctate ; striae on elytra finer from 

 middle backward. L. 1^ — 1^ 1. Eare .C. querceti, Suffr. 



J5 1^. Thorax black, with anterior margin yellow. 



s 2 



