LITOSOMIMJ. 335 



almost straight. Scutellum triangular, equilateral, sometimes raised 

 a little above the clavus, with a deep transverse channel near the 

 base ; hinder portion flattish, or slightly convex. Elytra longer than 

 the abdomen ; Clavus convex, deflected to the corium ; Gorium hori- 

 zontal, flattish as far as the junction with the cuneus and membrane, 

 which are deflected ; Cuneus triangular, longish. Sternum : Pro- 

 sternum ; xyphus triangular, margined ; Mesosternum convex, some- 

 what elevated posteriorly, depressed in the middle; Metasternum 

 convex, angle shortened. Legs longish, thin; thighs somewhat 

 stout ; tarsi short ; 3rd joint of the 3rd pair generally longest. 



Species 1. LITOSOMA VIRIDINERVIS. 



CAPSUS VIRIDINERVIS, Kirschb. Caps. 78, 95, and 142, 13 (1855). 

 ORTHOTYLTJS Fieb. Europ. Hem. 290, 8 (1861). 



$ elongate, somewhat parallel; $ subelliptic. Yellowish-green, 

 shining, clothed with long, fine, depressed, yellow hairs. 



Head. Antenncs yellowish-green, clothed with somewhat erect 

 yellow hairs. Eyes blackish ; viewed from above somewhat hemi- 

 spherical, from the side oval. Rostrum greenish at the base, towards 

 the pitchy brown tip, pale brownish-yellow. 



Thorax. Pronotum with 2 callosities behind the anterior margin, 

 connected in front by a short transverse keel; posterior margin 

 concave, rounded towards and at the hinder angles ; disk convex, 

 finely wrinkled transversely. Scutellum almost level with the clavus 

 from the base to the transverse channel very convex, yellowish; 

 hinder portion convex, green, very slightly flattened in the middle. 

 Elytra diaphanous, faintly wrinkled transversely; Clavus slightly 

 convex, deflected to the corium; Membrane very pale gray, iridescent ; 

 cell-nerves bright green, sometimes with a green spot, or short 

 streak in the outer cell, towards the middle of the outer nerve. Legs 

 greenish ; thighs with fine, long, almost erect, yellowish hairs ; tibice 

 yellowish, with fine, somewhat spinose, pale brown hairs ; tarsi 

 yellowish ; apex of the 3rd joint and claivs, brown. 



Abdomen greenish ; underside clothed with short, yellow hairs. 



Length, 2i lines. 



Not an uncommon species, in July and August, in several places 

 in the London District. We met with it abundantly on plum-trees 

 at Darenth, in the latter month. 



