2 BRITISH CICADA. 



the eyes. Ocelli 3, disposed in a triangle. Eyes reddish 

 and prominent. Antennae short, the larger basal joints 

 springing from fossi or pits, the other joints forming a 

 tapering seta. Crown triangular, with a deep transverse 

 line in front. Pronotum with two fine parallel straight 

 lines. Disc with three strongly impressed lines on 

 each side. Elytra clear, nerves black, costal and basal 

 nerves yellowish red and stout. Front femora with 

 three teeth. Clypeus trapezoidal, more or less barred 

 with brown. Labrum short and tongue -shaped. 

 Labium mostly concealed by the clypeus. Proboscis, 

 with its three setae, reaching to the third coxae. Pro- 

 and meso-thorax long, upper part raised into several 

 tubercular masses. Scutellum trigonate and incon- 

 spicuous; "two closely placed parallel fine straight 

 and raised lines down the middle in front" (Edwards). 

 Abdomen robust, conical, composed of from six to 

 eight somites, rapidly tapering to the pygofer, which 

 bears the genitalia. This part is horizontally cleft 

 in the male, but contains the valves and ovipositor of 

 the female insect. Anal tube black, with the tegu- 

 mentary scale in the male covering the penis with its 

 prehensile hooks. Last ventral segment elongated. 

 The male has two large semi-lunar valves close to 

 the meso-sternum, which cover the sounding organs. 

 Elytra deflexed when at rest, long-pointed, and furnished 

 with strong costal ribs. Membrane brownish and hya- 

 line. Apex limbated, such margin ending at the 

 point of the clavus. Basal area of corium obloog ; 

 apical cells normally, but not constantly so ; subapical 

 cells five. Wings with six apical and three basal cells. 

 Legs short and robust. Front femora flattened, and 

 furnished with three teeth. Tarsi short, tri-articulate, 

 and without pulvilli between the claws. 



The general colour of the British insect is rich 

 brown. Costa, wing-insertions, legs, edges of the 

 abdomen, and pygofer reddish yellow. The legs of 

 the Haslemere specimen I possess, are all finely barred 

 with brown, and the body sparsely covered by delicate 



