BRITISH CICADA 



Genus I.— CICADETTA, Amijot £ SerriUc, 



Head triangular. Ocelli three, disposed in a triangle 

 on the vertex. Frons separated by a suture. Labrum 

 subulate. Basal joint of antenna usually covered by a 

 scale between the eyes and the frons. Pronotum 

 trapezoidal, anterior border straight immediately behind 

 the eyes. Mesonotum without carination. Elytra with 

 sectors radiating from 4-sided basal cells. Apical cells 

 eight. Eostrum reaches beyond the third coxae to the 

 middle of the sternum. Stridulating organs situated 

 on the first abdominal segment of the male. Anterior 

 thighs with three spines. Pulvilli absent. 



CiCADETTA MONTANA. Plate 1, figS. 7 tO 15. 



Cicadetta montana, Scop., Hagen, Stett., Kirsch. 



,, Immatodes, Linn., Germ., Fieb. 



,, tibialis ) Latr. 



,, orni, Sulz. 



, , anglica, Leach , Saml. , Curt. , Westw. , Marsh. 

 Melampsalta montana, Sahib. 



Cicadetta montana, Fieb. Cicad. d'Europe, pt. ii., 79, 

 Edw. 45. 



Inches. Millimotres. 



Expanse of wings 1*95 50*69 



Size of body 0-81x0-22 21-00x5-58 



General colour dark brown, with fine yellowish 

 almost scale-like hairs. Head broad, tumid between 



B 



