IDOLOCORID.E. 367 



A very common species at Lewisham and other places in the 

 London district. It occurs in woods, in May and June, on oak 

 trees, &c. 



FAMILY 10. IDOLOCORID^E. 



Genus 1. CYLLOCORIS, Halm. 



Elongate, parallel, narrow. 



Head short, vertical in front, 2| times wider across the eyes than 

 long, distinctly narrowed behind the latter, and without a transverse 

 keel ; Grown somewhat convex ; Clypeus convex, apex in a line with 

 the base of the antennae ; antenniferous processes very short, in a 

 line with the middle of the lower half of the eyes ; Face obtuse, 

 central lobe longisb, convex ; side lobes short, broad, rounded out- 

 wardly. Antennae almost as long as the body ; 1st joint cylindrical, 

 as long as the pronotum; 2nd 2-J times as long as the 1st, slightly 

 thickened towards the apex ; 3rd and 4th somewhat filiform, toge- 

 ther about f rds the length of the 2nd ; 4th |rd of the 3rd. Eyes 

 large, prominent, viewed from above hemispherical, from the side 

 oval. Rostrum reaching to the 2nd pair of COXSB ; 1st joint stout. 



Thorax. Pronotum longish campanulate ; broader across the 

 posterior margin than long, with a very narrow collar, and 2 cal- 

 losities behind the slightly indented anterior margin ; sides almost 

 straight for about -J- rd their length, then sinuate to the reflexed 

 hinder angles ; posterior margin concave, rounded towards and 

 at the hinder angles ; disk with a deep channel immediately 

 behind the callosities, the hinder portion very convex and much 

 deflected to the transverse channel. Scutettum large, trian- 

 gular, equilateral, considerably raised above the clavus, with a 

 deep transverse channel nearly in the centre, anterior portion very 

 convex, the convexity forming, with that of the pronotum, a con- 

 tinuous curve; hinder portion convex. Elytra longer than the 

 abdomen; Clavus flat to the nerve, from the latter to the suture 

 suddenly deflected ; Corium flat between the claval suture and the 

 1st nerve, between the latter and the anterior margin, convex; 

 Cuneus long, triangular. Sternum : Prosternum ; xyphus trian- 

 gular, sides margined ; Mesosternum convex ; posterior margin con- 



