British Homoptera-Cicadina. 65 



Stenocnrenns perspiciUafns, J. Sahl., Not. Fcnii., xii., 



419,5. 

 Kelisia perspicillata, Fieb., Cicacl. d'Eur., pt. iii., 19,4. 



Pale yellow, a large round spot on the cheeks, and a smaller one 

 on the sides of the prosternum, black. Crown somewhat longer 

 than wide, obtusely romided in front, impressions obsolete. Frons 

 convex, slightly rbunded, dilated at the lower margin of the eyes, 

 middle keel obsolete. Pronotum somewhat shorter than crown. 

 Scutellum one-half longer than pronotum, keels acute. Elytra 

 whitish hyaline, as long as the abdomen, very finely wrinkled 

 transversely, slightly narrowed towards their narrowly rounded 

 apex, outer cubital nerve forked behind. Wings very short. 

 Abdomen more or less blackish above. Length, 2 mm. 



Cheviots, October ; one example (Hardy). 



8. Liburnia pallidula, Boh. 



Delphax pallid.ula, Boh., Sv. Ak. Handl., 48, 16 (1849) ; 



Flor, lihyn. Liv., ii., 44, 3 ; lurschb., Cicad., 



25, 11. 

 D. punctulum, Kirschb., I. c, 25, 10. 

 Liburnia jJcdlidula , Scott, Ent. Mo. Mag., vii., 193, 5 a. 

 Stenocarenus pallidulus, J. Sahl., Not. Fenn., xii., 



418, 4. 

 Kelisia pallidida, Fieb,, Cicad. d'Eur., pt. iii., 17, 2. 



Pale brownish yellow, cheeks generally with a punctiform black 

 spot. Crown a trifle longer than pronotum, distinctly narrowed in 

 front, projecting for about one-fourth of its length beyond the eyes. 

 Scutellum a little longer than crown. Elytra lanceolate, a little 

 longer than the abdomen, yellowish hyaline, with their middle 

 nerve, at least at the apex, and sometimes also the brachial nerve 

 and those of the clavus, black. Middle keel of scutellum and 

 inner margin of elytra narrowly white. 



Afacrojjtei'oiis form. — Scutelhim twice as long as the pronotum. 

 Elytra one-half longer than the abdomen, sHghtly widened behind, 

 apex obtusely rounded, membrane scarcely half as long as the 

 corium, its middle nerve widely fuscous. Length, 3 — 3^ mm. 



Wet conimons, &c. I have a few female examples, 

 taken at Stratton Strawless, in a place where the type- 

 form of this species does not occur, which want the 

 punctiform spot on the cheeks, and have the wings fully 



