82 Mr. James Edwards' Synopsis of 



forwards, a wide triangular tooth. Middle of the lower margin of 

 pygofer with a long sharp tooth. Teeth of anal tube short, obtuse, 

 vertically connate. 



? . Entirely pale brownish yellow, elytra about one-third as 

 long as abdomen. Length, 2 — 2^ mm. 



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

 as pronotum ; apex reflexed, white ; side keels very indistinct, nearly 

 parallel. Elytra, male two-thirds, female one-half, longer than 

 abdomen, yellowish hyaline ; nerves dirty yellow, dusky towards 

 the apex. Length, 3 — ^\ mm. 



A vernal wood-frequenting species like the preceding. 



35. Lihurnia exigua, Boh. 



Delphax exigua, Boh., Sv. Ak. Handl., 65, 29 (1849) ; 

 Flor, Ehyn. Liv., ii., 61, 13 ; Kirsch., Cicad., 34, 

 32 ; Fieb., Gruudz. Delph., t. 8, fig. 43 ( <? geni- 

 talia). 



Lihurnia exigua, Scott, Ent. Mo. Mag., vii., 28, 35 ; 

 J. SahL, Not. Fenn., xii., 457, 23; Fieb., Cicad. 

 d'Eur., pt. iv., 45, 40. 



(?. Greyish yellow, abdomen black with the apical segments 

 sometimes narrowly margined with yellow. Facial keels strong, 

 evanescent on the forehead. Scutellum scarcely one-half longer 

 than pronotum ; side keels distinct, strongly diverging. Elytra 

 about half as long as abdomen, pale greyish yellow, pellucid, 

 margins paler, apex tnmcate with rounded angles ; nerves strong, 

 non-granulate. Pygofer black, retracted, upper notch wide, rounded, 

 margined with yellow, lower notch feeble, hind margin straight. 

 Styles narrow, somewhat lanceolate, with a long narrow tooth at 

 the base projecting backward. Anal tube nearly circular, its teeth 

 represented by a long narrow straight procsss fi'om the middle of 

 its lower margin. 



? . Pale greyish yellow, head, pronotum, scutellum, and elytra 

 whitish, sides of abdomen above with some blackish markings. 

 Length, If — 2 mm. 



Maci-o2>terous form, $ . — Scutellum nearly three times as long as 

 pronotum, transversely impressed before the apex, sides fuscous ; 

 side keels fine, subparallel. Elytra nearly twice as long as abdo- 

 men, whitish hyaline ; nerves non-granulate, i)ale brown, darker 

 towards the apex. Length, 2^ mm. 



