122 Mr. James Edwards' St/nojms of 



pair of narrow ones on the lower part of the frons. Lenj^th, 

 5h — 6 mm. 



On Lombardy poplar ; not common. 



11. Idiocerus tibialis, Fieb. 



Idiocerus tiKudis, Fieb., Eur., Bythosc, 452, 3. 



/. affinis, Fieb., I. c, 454, 8. 



/. Ilcf/deni, Kirschb., Cicad., 155, 6; Scott, Ent. Mo: 

 Mag., xi., 228 ( $ ). 



I. vittifrons, Kirschb., /. c, 159, 14. 



/. rotundifrons, Kirschb., I. c, 160, 16. 



(? . Face greyish yellow, variously clouded and marked with 

 rust-red black and brown, a black puncture near each eye. Pro- 

 notum clouded with fuscous, a narrow central stripe and a roundish 

 spot on each side of the disc bluish white. Scutellum greyish 

 yellow, with a black triangle on each side at the base. Elytra 

 greyish hyaline ; nerves brown, those of the corium chequered 

 with white. Abdomen above generally brownish yellow, with a 

 brown band across each segment. Legs pale, tibiae with a fine 

 black stripe or stripes, hind thighs with a fine black stripe along 

 the front and hind margins. 



2 . Face greyish yellow, variously clouded and speckled with 

 red-brown and black. Crown clouded with fuscous, with a pale 

 central line and a black puncture near each eye. Length, 

 5^ — 6 mm. 



Darenth, October, 1866 {Douglas). Well distinguished 

 by the shape of the frons. 



12. Idiocerus vitreus, Fab. 

 Cicada vitrea, Fab., Sys. Ehyn., 79, 90. 



Idiocerus Il-album, Fieb., Eur. Bythosc, 455, 11 ; 

 Scott, Ent. Mo. Mag., x., 26, 3. 



(? . Crown and face dirty whitish yellow, on the former near 

 each eye a dark puncture. Pronotum pale brown, a central stripe 

 and a small spot on each side in front wliitish, near the front 

 margin a few black points. Scutellum whitish yellow, a triangle 

 on each side at the base and a pair of points on the disc black. 

 Elytra pale yellow-brown; nerves punctured, dark brown, the 

 transverse nerve and a sliort piece of the inner cubital and brachial 

 nerves adjoining it, the apical third of the anal nerve, the extreme 

 apex of the clavus, the apex of the brachial nerve, and a piece of 



