IDOLOCORID^E. 381 



and with a central longitudinal channel. Scutellum yellow. Elytra 

 diaphanous : Clavus and Corium very pale yellowish-white ; anterior 

 margin of the latter somewhat darker ; apex of the 1st nerve yel- 

 lowish ; within the apex of the 1st and 2nd nerves frequently a 

 brownish spot ; Cuneus very pale yellowish-white, apex very narrowly 

 yellowish ; Membrane pale gray, iridescent, with an oval fuscous 

 spot near the apex of the anterior margin ; inner marginal nerve 

 yellowish ; outer cell-nerve brown, apex and inner cell-nerve yel- 

 lowish. Legs pale yellowish-white, clothed with short, stiff, pale 

 brown hairs ; thighs next the apex with 2 short, longitudinal rows 

 of brown spots ; tibia with a few, long, somewhat spinose, black 

 hairs ; tarsi yellow, 3rd joint brown ; claws reddish. 



Abdomen yellowish, clothed with short yellow hairs. 



Length, 2| 2J- lines. 



Very frequently the elytra are without darker markings, and the 

 ? with undeveloped elytra, without cuneus or membrane. Not un- 

 common at Folkstone and Lewisham, in July, by sweeping amongst 

 Epilobium, in damp places. 



Genus 5. MACROLOPHUS, Fieb. 

 Linear, narrow, delicate. 



Head viewed from above pentagonal, deflected in front, produced 

 into a neck behind the eyes, sides of the neck convex ; Crown very 

 convex ; Clypeus convex, apex in a line with the base of the an- 

 tennae ; antenniferous processes very short, almost in a line with the 

 middle of the eyes ; Face short, central lobe somewhat stout, 

 convex, side lobes short, narrow, slightly rounded outwardly. 

 Antenna about as long as the body ; 1st joint shorter than the head 

 and neck, almost cylindrical, narrowed at the base ; 2nd very slightly 

 clavate, 21 times as long as the 1st ; 3rd as long as the 2nd ; 4th 

 \ as long as the 3rd, and slightly thicker. JEyes small, slightly 

 prominent ; viewed from above hemispherical, from the side short, 

 oval. Rostrum reaching to the 3rd pair of coxae ; 1st joint reaching 

 to the xyphus of the prosternum. 



Thorax. Pronotum trapeziform, about If times as broad across the 

 posterior margin as long ; behind the anterior margin a transverse 

 channel forming a collar, and behind the latter 2 callosities ; sides 



