354 HETEKOMERA — MELOIDAE. 



base emarginate, disc with central furrow ; elytra with 

 scattered punctures, rather larger and more shallow than 

 those of thorax. L. 8 1, Eare. M. autumnalis, 01, 



b. Thorax strongly punctured. 



I. Head not, or not much broader and larger than 

 thorax. 



1, Body black. 



Black, shiny ; elytra with blue reflection : thorax flat, 

 with a short, fine central furrow and outward-pointed an- 

 terior angles. L. 14 — 18 1. Not common. 



M. cicatricosus, Leach. 



2, Body chiefly greenish. 



Upper-side dirty metallic-green ; head and thorax with 

 purple margins ; each abdominal segment with a large 

 coppery spot above ; under-side green ; base of each 

 ventral segment coppery. L. 9 — 15 1. Eare. 



M. variegatus, Don. 



XT. Head considerably broader and larger than 

 thorax. 



1, Thorax closely punctured, with a deep curved 

 impression before the emarginate base. 



Black, dull. Head and thorax closely and very coarsely 

 punctured, with central furrow, and latter broadest rather 

 before middle. L. 5 — 7 1. Eare. M. rugosus, Marsh. 



2, Thorax scantily and simply punctured ; posterior 

 margin straight. 



Blue-black. Antennae beadlike; thorax rounded at 

 sides. L. 5 — 10 1. Eare. M. hrevicollis, Panz. 



Cantharis, 



Bright green ; antennae and legs dark. Head and thorax 

 with fine scattered punctures ; elytra finely and closely 

 punctured in wrinkles, with some slightly raised lines ; 

 head with strong central furrow. L. G — 9 1. Not common. 



C. vesicatoria, Lin. 



Sitaris, 



Black ; elytra bluish-black, with base yellowish. Thor^Ji 



