150 BRITISH CICADA. 



Zygina alneti, Dahlb. Plate LXXIV., fig. 1. 



Cicadula alneti, Dahlb. 

 Tijphlocijha coryli, Flor ; Kirschb. 



,, alneti, Sahib. ; Doug. ; Ferrari. 



Ztjgina alneti, Leth. ; Fieb. ; Edw. pt. ii. p. 105. 



Body fusiform. Vertex pointed, pale ochreous- 

 brown. Eyes pale brown. Pronotum whitish or else 

 greenish yellow, and spotless. Scutellum yellowish, 

 relieved by an inferior brownish angular stripe. 

 Abdomen pointed, yellow, and obscm^ely ringed with 

 grey. Legs pale yellow; claws fuscous. Elytron 

 pointed, more or less, bright yellow in colour, and 

 without any markings. 



Taken upon the alder {Almis glutinosa) from July till 

 Sej^tember. Occasionally insects have been taken on 

 the hazel, which are so like that probably they are 

 identical in species. 



Zygina parvula. Boh. Plate LXXIV., fig. 2. 



Typhlocyha parvula, Boh. ; Flor ; Kirschb. ; Sahib. 



,, 10-punctata, H.-Schaff. 



Euptenjx parvulus, Marsh. 



Zygina parvula, Leth. ; Fieb. ; Ferrari ; Edw. pt. ii. 

 ^p. 106. 



More robust than the preceding species. Vertex 

 ferruginous-yellow, with two angular spots on the 

 crown. Pronotum fuscous, with two, sometimes three, 

 black spots on the fore-margin, and two on the hind. 

 Scutellum large, streaked with reddish, with two large 

 triangular basal spots. Abdomen dark browai, ringed 

 with black. Hind margins pale, as also is the apex. 

 Legs whitish, with fuscous claws. Elytron rather 

 broad, yellowish, and rounded at the tip, which is 

 more or less fumose or smoky. Wings delicate and 

 iridescent. 



