British Homoptera-Cicadina. 49 



Frons flat above, slightly swollen towards the clypeus ; colour above 

 reddish, between the eyes a large ill-defined black spot, from the 

 antennic to the clypeus white, the latter and the lora3 pitch-brown, 

 rostrum black at the apex. Pronotum and scutelhxm uneven, the 

 hind angles of the former obliquely truncate to make room for the 

 tegulae. Elytra horny, equally pimctured, generally with a short 

 black streak on the suture beyond the apex of the clavus. Wings 

 ample, hyaline, nerves fiiscous. Legs concolorous, tibiae with two 

 rows of bristles, claws fuscous. Length, 4 mm. 



Sandhills, Freshwater Bay, Pembrokeshire ; amongst 

 thyme and short grass ; local. Isle of Wight ; Folkestone 

 Warren, one from a tuft of Teucrium, August, 1876 ; 

 Shiere, near Guildford, hyhernating in yew, February, 

 and by beating junipers in September. 



IV. ISSIDiE. 

 Ocelli wanting. Pronotum as long as the crown, hind margin 

 subtrmicate. Tegulae large and conspicuous. Represented in the 

 British fauna by the single genus 



Issus, Fah. (PL L, fig. 14). 

 Fab., Sys. Rhyn., 99, 1 (1803). 



Body short, ovate. Head with the eyes distinctly narrower than 

 pronotum. Sides of elytra strongly subangularly dilated before 

 the middle. Outer side of hind tibia; with two spines on the 

 lower half. 



1. Issus coleoptratus, Geoffr. 



Cicada coleoptrata, Geoffr., Hist. abr. Ins., i., 418, 7. 

 Cercopis coleoptrata, Fab., Ent. Sys., iv., 53, 26. 

 Fulgora gihhosa, Oliv., Enc. Meth., vi., 576. 

 Issus coleoptratus, Fab., Sys. Rhyn., 99, 1 ; Germ., 



Mag. d'Ent., iii., 204, 1 ; Am. et Serv., Hist. nat. 



Plem., 518, 1 ; Fall., Hem. Suec, ii., 69, 1 ; 



Curt., Brit. Ent., p. and pi. 449 ; Marsh., Ent. 



Mo, Mag., ii., 33, 1 ; Kirschb., Cicad., 52 ; J. 



Sahl., Not. Fenn., xii., 396, 1 ; Fieb., Cicad. 



d'Eur., pt. ii., 253, 7. 



Very variable in colour and markings. Uniform leaden grey 

 reticulated with black, with or without an ill-defined black patch 

 near the suture of each elytron, or more or less dark brown, with 

 a wide pale band across the widest part. Front pairs of tibiae in 



