106 BRITISH CICADJE. 



Inch. Millimetres. 



Expanse 0-25 6-35 



Body 0-13 3-30 



Mr. Edwards describes the joenis to be like the claw- 

 joint of a Carahus. 



A variety occurs whose elytra are covered, except 

 towards the tips, by a yellowish meal, and with faint 

 crescentic marks on the costa. It hybernates mider 

 heath roots. I have taken such numerously and very 

 active in February, when the snow was on the ground. 



DiCRANEURA siMiLis, Edwcirds. Plate LXIII., 

 figs. 2 to 2 &. 



Very similar in size and colour to D. citrinella, from 

 which it is best distinguished by the male genitalia. 

 Mr. Edwards cannot separate the females of the two 

 species by any character. I give the following descrip- 

 tion of two specimens I have received from him : — 



Colour yellow or greenish. Vertex deltoid, with a 

 smoke-coloured apex. Abdomen brown, with greenish 

 transverse strokes down the dorsum. The pygofer of 

 the female comprises an oval caudal chamber, having 

 mi internal crescentic wall, enclosed by an outer oval 

 wall. My figure shows details which include a cylin- 

 drical tufted Cauda. The under side all yellow, with 

 the abdomen more ferruginous in colour. Nervures of 

 the elytra indistinct. 



I have not met with the male ; bat Mr. Edwards 

 gives some outlines of its peculiarly hooked penis, and 

 its pincer-like genital plates (see Ent. Mo. Mag. xxi. 

 p. 229, and Trans. Ent. Soc. /. c. pt. 2, p. 81, PL iii. 

 fig. 17). 



Size of body and wings, 0*14 inch, or 3'50 milli- 

 metres. 



Not unfrequent on wet commons at Stanton Straw- 

 less, Norfolk. 



