BritisJi Homoptera-Cicadina. 51 



2. Oliarus leporirws, Linn. 

 Cicada Icporina, Linn., Faun. Suec, 895 ; Sys. Nat., 

 711, 43; Schr., En., 501, 260; Panz., F. G., 

 61, 19 



Flata leporina, Germ., Thon. Arch., ii., 50, 50 ; Schaflf., 

 F. G., 144, 4. 



Pentastira leporina, Kirschb., Cicad., 44, 2. 



Oliarus Icporiuus, Scott, Ent. Mo. Mag., vii., 120, 2 ; 

 Fieb., Cicad. d'Eur., pt. ii., 203, 15. 



Crown broader tliau long, its length about one and a half times 

 and its breadth about twice the length of the hind margin of the 

 eye ; black, with pale keels. Eyes black. Elytra lacteo-hyalme, 

 stigma well marked ; nerves fine, fuscous, becoming darker towards 

 the apex. Length, 4| — 5 mm. 



On Tamarix ; Deal, end of June. 



ii. Cixius, Latr. (PI. L, fig. 16). 

 Latr., Gen. Crust et Ins., iii., 166 (1807). 

 Hind margin of crown roundly notched. Nerves of the elytra 

 more or less closely set with large black setigerous granules. 



Taele of Species. 



1 (2). Costal granules not or scarcely larger than 



those on the other nerves. Costa generally 



with three short black lines . . . . . . 1. p/VoNXx. 



2 (1). Costal granules distinctly larger than those on 



the other nerves. 



3 (4). Elytra entirely brown. Clypeus deep black 2. stuniiaticm. 



4 (3). Elytra not entirely brown, or, if brown, 



clypeus not deep black. 



5 (6). Elytra witli a broad transverse fuscous band, 



proceeding from the stigma to the inner 

 margin ; an ill-defined fuscous spot in the 

 apex of the wings . . . . . . . . 3. cuniciilariun. 



(5). Elytra without a transverse band proceeding 

 from the stigma. 



7 (10). All nerve-granules oblong. 



8 (',)). Costa with about 15 or IG rather closely- 



placed granules . . . . . . . . 4. simj'lcx. 



9 (8). Costa with about 8 or 9 distant granules . . .'J. tsimiUn. 



10 (7). All nerve-granules round or roundish. 



11 (12). Smaller. Styles reaching somewhat beyond 



the apex of the yellow anal tube . . . . (1. bnirlnjcrdnus. 



12 (11). Larger. Styles scarcely exsertcd, not reaching 



beyond tlie basal third of the black anal 



tube . . . . . . . . . . . . 7. nervosus. 



