316 BKACHELYTRA — OXYTELIDAE. 



Head, thorax and ahdomen blackish-brown ; legs yellow. 

 Thorax with two shallow longitudinal impressions or four 

 indistinct depressions. L. f 1. Eather common. 



T. pusillus, Gr. 



B B. Thorax rather broader than long, only 



slightly narrowed behind ; elytra black-brown. 



Elongate, Blackish ; legs yellow. Thorax with two or 



four indistinct depressions. L. | 1. Moderately common. 



T. tenellus, Er. 

 2. Antennae entirely yellow. 



Narrower than T. tenellus. Blackish; elytra brown; 

 legs yellow. Thorax scarcely broader than long, not much 

 narrowed behind, with two indistinct impressions. L- I 1- 

 Rare. T. suhtilis, Er. 



Thinobiiis, 



A. Antennae brownish or blackish. 



a. Thorax without impressions. 



I, Head scarcely narrower than thorax ; length 

 1 line. 



Black, rather dull ; elytra dark broAvn ; antennae and 

 legs dirty brown-yellow, former rather lighter at base, 

 latter with tibiae and tarsi gradually lighter. Common 

 excision at apex of elytra not so strong as in T. longipcnnis. 

 Loch Rannoch. T. major, Kr. 



II, Head rather narrower than thorax; length ^ line. 



Black, dull ; elytra pitch-brown ; antennae and legs 

 blackish-brown, former often brown at base, latter with 

 knees and tarsi lighter. Common excision at apex of 

 elytra strong. Scarce. T. longipcnnis, Heer. 



b. Thorax with two oblique depressions at base and a 

 sli"flit elevation in middle. 



Black, dull. Elytra rather more than half as long again 

 as thorax, common excision at apex only feeble. L. | 1. 

 Not uncommon. T. brevipennis, Kies. 



B. Antennae yellow. 



(f. Antennae with joints 4 to 8 about equal in size; 



liead and thorax dull. 

 Black ; elytra dark red-brown ; antennae and legs red- 



