LYGID.&. 461 



last is frequently black, and the triangular, black patch, below the 

 apex of the cells. 



It has occurred at Darenth, Dartford, Shirley, Mickleham, &c., on 

 birches, in June and July. 



Species 5. LYGUS CONTAMINATUS. 



LYG^US CONTAMINATUS, Fall. Mon. Cim. 76, 29 (1807). 



PHYTOCORIS CONTAMINATUS, Fall. Hem. Suec. i, 79, 5 (1829). 



LYGUS Hahn, Wanz. i, 151, fig. 76, (1832) ; Fieb. 



Europ. Hera. 272, 5 (1861). 

 CAPSUS Meyer, Caps. 45, 1 (1843); Kirsckb. Caps. 



64-, 66, & 184 (1855). 

 CAPSUS (CAPSUS) CONTAMINATUS, Flor, Rhyn. Liv. i, 531, 34 (1860). 



Elongate. Greenish or greenish-yellow, clothed with very fine, 

 depressed, pale yellowish-white hairs ; tibia slightly bent a 

 little below the base, with minute brown spots, and brownish- 

 yellow, spinose hairs . 



Head. Antennae yellowish or greenish-yellow ; 2nd joint at the 

 apex brownish ; 3rd and 4th brown, the former narrowly pale at the 

 base. Eyes brown-black. Rostrum greenish -yellow ; tip brown. 



Thorax. Pronotum thickly and very finely punctured and wrinkled 

 transversely ; within the posterior margin frequently more or less 

 broadly brownish. Scutellum yellow or green, finely wrinkled trans- 

 versely. Elytra : Clavus transversely wrinkled ; brownish-yellow or 

 brown, somewhat piceous towards and at the scutellar angle ; Corium 

 somewhat shagreened, with a transverse brown patch at the apex, 

 between the 1st and 2nd nerves ; Cuneus green ; Membrane pale 

 fuscous-brown, iridescent ; between the apex of the cuneus and the 

 inner cell-nerve a brown streak, and a second lying parallel to and 

 midway between it and the apex of the anterior margin j inner mar- 

 ginal nerve brownish at the base ; cell -nerves greenish or greenish - 

 yellow ; apex of the outer cell brown. Sternum greenish or yellowish- 

 green. Legs greenish or greenish-yellow ; thighs with 2 brown rings 

 before the apex ; tibia slightly bent below the base, with minute 

 brown spots, and short, brownish-yellow, spinose hairs ; apex 

 generally brownish ; tarsi yellowish ; 3rd joint and claws black. 



Abdomen; upperside brown; underside greenish or greenish- 

 yellow, clothed with fine, pale yellowish-white hairs. 



Length, 2| 3 lines. 



