338 CAPSINA. 



Abdomen. Underside greenish-yellow ; the tip of the ovipositor 

 blackish, and reaching beyond the end of the abdomen. 



Length, 2f 3 lines. 



After death the head, pronotum, scutellum, anterior margin of 

 the corium, more or less broadly, and the thighs, become bright 

 yellow. 



A common species on alders, in July. "We have met with it at 

 Lewisham, and other places in the London district. 



Species 4. LITOSOMA FLAVINERVIS. 



CAPSUS FLIVINERVIS, Kirschb. Caps. 78, 99, & 147, 16 (1855). 

 OETHOTYLUS Fieb. Europ. Hem. 289, 3 (1861). 



<$ elongate, almost parallel; ? subelliptic. Green, somewhat 

 thickly clothed with fine, depressed, yellowish-white hairs. 



Head generally orange-yellow. Antennae ; $ , 1st joint brown, base 

 black, or black with the apex brown ; $ yellowish or brownish- 

 yellow, with a few erect, brownish hairs ; 2nd yellowish ; 3rd and 

 4th, and sometimes the apex of the 2nd, brownish. Eyes large, 

 black. Rostrum yellowish- green ; tip pitchy-black. 



Thorax. Pronotum with 2 callosities behind the anterior margin, 

 connected in front by a short, narrow, transverse keel ; sides slightly 

 concave; hinder angles raised; posterior margin convex, almost 

 straight in the middle ; disk convex, slightly flattened in the middle, 

 transversely wrinkled ; frequently the anterior portion to behind the 

 callosities is orange-yellow. Scutellum convex, slightly raised above 

 the clavus ; base, as far as the transverse channel, frequently yellowish. 

 Elytra; Clavus slightly convex; transversely wrinkled; Corium; 



$ somewhat flat from the claval suture to the 1st nerve, from 

 thence rather convex, and suddenly deflected to the anterior margin ; 



$ convex ; disk transversely wrinkled ; extreme base yellowish ; 

 Cuneus ; apex ochreous-yellow ; Membrane pale purplish-brown, 

 iridescent, with a somewhat triangular dark patch below the cells on 

 the anterior margin; inner marginal nerve piceous ; cell-nerves 

 yellow ; apical half of the outer cell blackish. Legs green, clothed 

 with yellowish -white hairs ; tliiglis on the underside with a few, 

 somewhat erect, stout, yellowish hairs ; tibice towards the apex yel- 



