80 Mr. James Edwards' Synopsis of 



its edges forming at their junction with the hind margin an obtuse 

 angle. Styles and anal tube almost as in pellucida. Length, 

 ^—S mm. 



Macropteroiis form. — Scutellum two and a half times as long as 

 pronotum ; side keels distinct, somewhat diverging. Ely tra yellowish 

 hyaline, nearly twice as long as abdomen ; nerves yellow, at the 

 base afterwards dark, with small setigerous granules towards the 

 apes, costal margin white, that of the membrane and the suture 

 dark. Length, 3} — 3| mm. 



Woods, in spring. 



32. Lihurnia ohscurella, Boh. 



Delphax ohscurella, Boh., Sv. Ak. Handl., 53, 20 (1849); 



Fieb., Grimdz. Delph., t. 8, fig. 29 {^ genitaha). 

 Lihurnia ohscurella, Scott, Ent. Mo. Mag., vii., 28, 37 ; 



J. SahL, Not. Fenn. xii., 443, 13; Fieb., Cicad. 



d'Eur., pt. iv., 20, 18. 



Crown brown, fork of the middle keel evanescent in front. 

 Frontal channels blackish, paler down the middle, keels whitish. 

 Pronotum brownish yellow, somewhat shorter than the crown. 

 Scutellum twice as long as pronotum, brownish yellow, with a large 

 blackish spot on each side and another at the apex, keels sharp, 

 pale. Elytra as long as the abdomen, brownish grey, rounded 

 behind, costal margin and suture yellow-brown, hind margin and 

 clavus brownish ; nerves strong yellow-brown, closely set with 

 setigerous granules. Abdomen above, male black, last segment 

 paler ; female yellow, more or less widely brown at the base, dorsal 

 line whitish, each segment narrowly black at the base, apical 

 segments frequently entirely pale. Upper notch of pygofer (male), 

 seen from the side, almost vertical, and forming a very obtuse angle 

 with the straight hind margin, which is directed obliquely forwards, 

 lower notch very wide. Styles very short, sublanceolate, arched 

 forwards. Length, 2 — 2h mm. 



Macro2}terous form, — Scutellum three times as long as pronotum, 

 transversely impressed at the apex; side keels obsolete, subparallel. 

 Elytra twice as long as abdomen, fusco-hyaliue ; nerves yellow, 

 with black setigerous granules, which are stronger on the corium 

 than on the membrane, margins brown. Length, 3 — '61 mm. 



