ELATER. 35 



Eather narrow. Black, with black hairs ; elytra bright 

 red, with apex more or less black ; tarsi pitchy. Thorax 

 rather less convex than in E. sanguinoUntus, more finely 

 punctured, and more straightly narrowed toward front; 

 joints of antennae longer, tarsi thinner and elytra rather 

 flatter. L. 4| — 5| 1. Scarce. E. pomonae, Steph. 



b. Thorax longer. 



Nearly parallel-sided, flat. Black, with brown hairs ; 

 elytra bright red ; antennae and legs pitch-black, second 

 and third joints of former and the tarsi reddish. Thorax 

 long, sides almost parallel from base until beyond middle, 

 thence gradually narrowed forward, very closely punctured 

 throughout, disc rather shiny, sides dull, with a central 

 furrow behind and a depression above scutellum ; elytra 

 with feeble punctured striae, interstices flat. L. 5| 1. 

 Rare. E. coccinatus, Rye. 



H, Elytra unicolorous brownish-red. 



Black ; elytra brownish-red. Hairs brown. L. 4 — 5 1. 

 Moderately common. E. pomorum, Herbst. 



C. Elytra brownish-red, with apex black. 



a. Elytra black at apex only. 



Head and thorax black, latter rather more diffusely 

 punctured in middle than at sides, without central farrow, 

 covered with black hairs. L. 3i 1. Scarce. 



E. elongatulus, 01. 



h. Elytra with last third part black. 



Head and thorax black, latter rather closely and finely 

 punctured, with a feeble central furrow, hairs gray. L. 

 3| — 4 1. Eather common. E. ialteatus, Lin. 



Z>. Elytra black, with the base, a longitudinal spot near 

 scutellum and outer margin brownish-yellow. 



Head and thorax black, latter rather diffusely and mode- 

 rately finely punctured, with a shallow central furrow, 

 hairs black. L. 3| 1. Eare. E. tristis, Lin. 



JE, Elytra entirely black. 



a. Thorax broader than long ; antennae longer than 

 head and thorax ; third joint about double as long as 

 second. 



Black, shiny. Thorax diffusely and moderately finely 



p 2 



