180 BRACHELYTRA — ALEOCILVRIDAE. 



a a. Elytra rather longer than thorax. 



Similar to 0. spedahilis, but smaller. Black ; sides of 

 thorax brownish ; elytra yellow-brown, Avith a triangular 

 spot round scutellum and outer apical angles blackish- 

 brown ; abdomen with hinder margins of segments and 

 apex red-brown ; antennae blackish-brown, base red-brown; 

 legs reddish-yellow. L. If 1. Eather common. 



0. lividijyennis, Mann. 



b h. Elytra half as long again as thorax. 



A a. Intermediate joints of posterior tarsi 

 shorter. 



Black ; elytra red- brown, with a triangular spot round 

 scutellum and outer apical angles widely blackish ; mar- 

 gins of abdominal segments slightly red-brown ; antennae 

 blackish, first joint red-brown ; legs red-yellow. Penulti- 

 mate joints of antennae as long as broad. L. 1| — If 1. 

 Common. 0. v it tat a, Miirk. 



H h. Intermediate joints of posterior tarsi 

 longer. 



Very similar to 0. vittata but with apical joint of an- 

 tennae larger, and posterior tarsi much longer. A single 

 specimen taken at Aberlady, near Edinburgh. 



0. longipes, Muls. 



J? 7?. Elytra without the triangular dark spot 

 round scutellum. 



u a. Second and third joints of antennae equal 

 or nearly so. 



A a. Elytra distinctly longer than thorax. 



A 1, Antennae lighter at base. 



(I 1. Antennae rather slender, six 

 penultimate joints nearly equal in 

 length and breadth ; body shorter. 



Black, pubescence brownish ; elytra brown, blackish 

 toward base ; margins of abdominal segments red-brown ; 

 antennae lilackish, base red-brown ; legs yellowish-red. 

 Tlitjrax convex, scarcely half as broad again as long, with 

 only slight traces of a central furrow and l)asal depression; 

 elytra rather longer than thorax ; al)domen extremely 

 closely and finely punctured throughout. L. 1| — 1| 1. 

 Common. 0. oyaca, Gr. 



