IDIOCERUS VARIUS. Ill 



Idiocerus vitreus, Fah. Plate XXXIL, figs. 3 to Sh. 



Cicada vitrea, Fak. 



Idiocerus H-album, Fieb. ; Scott ; Edw. pt. i. p. 122. 



Vertex of a dingy white, more or less mottled, with 

 two dark rusty spots. Pronotmn dirty ochreous, deli- 

 cately pmictured, two dusky lines enclose a whiter 

 space ; each line has a black puncture. Scutellum 

 honey-yellow, with the usual black triangular spots. 

 Elytra yellow-brown ; nervures punctured ; the trans- 

 verse nerve and the apex of the clavus whiter. 

 Wings iridescent. Abdomen dark brown, the edge of 

 each segment yellowish. Frons yellow, with two large 

 pyriform brown spots, and two wavy rusty brown lines 

 proceeding from the eyes to the rostrum. Two 

 round spots mark the upper part of the frons. Legs 

 pale ferruginous, with a pale brown hind tibial streak. 



The males are darker and smaller than the females. 



Not uncommon on Pop id us alha. 



Length, with wings, 0*20 x 0-07 inch, or 5*08 x 1-77 

 millimetres. 



A general character may be found in the transparent, 

 horny, and honey-brown tint of the elytra. 



Idiocerus varius, Fah. Plate XXXIII., figs. 1, 1 a, 

 and Plate XXXIV., fig. 6. 



Jassus varius, Germ. 



Idiocerus varius, Kirschb., Cicad. 154, 4; Edw. pt. i. 

 p. 117. 



The male. Head, pronotmn, and scutellum, dirty 

 ochreous-white, the former rather smoky on the ante- 

 rior edge. Frons pubescent. The pronotum much 

 mottled with dark brown stains. The scutellum dusky 

 grey or yellowish, and marked somewhat like the 



