l3G Bial?isH ciCADiii. 



hyaline and iridescent. Abdomen l)lack, with the hind 

 margins yellow. Legs very pale, almost white. The 

 genitalia of the male are complex. The styles are 

 crooked, long, and boot-shaped. The caiida cylin- 

 drical, tubular, apparently jointed, and capable of 

 retraction. 



Inhabits several species of Salix, and is in some 

 places not uncommon. 



Length of body and wing, 0*15 inch, 3-81 millimetres. 



Typhlocyba ulmi, Linn. Plate LXX., fig. 4; and 

 Plate LXXL, figs. 1 to 1/). 



Cicada ulmi, Linu. ; Fab. ; Fall. 



Typlilocyha ulmi, Flor ; Kirschb. ; Sahib. ; Edw. 



pt. ii. p. 98. 

 Euptenjx ocellata, Curt. 

 E. ulmi, Marsh. 

 Anomia ulmi, Leth. ; Fieb. 



Male. Head and scutellum yellow or greenish 

 yellow. Vertex with two black dots, and a fine medial 

 line. Pronotum either wholly honey-yellow, or stained 

 with a variable m-like mark. Scutellum black, bordered 

 by yellow. Abdomen black or dark brown, with yellow 

 segmental edgings. Legs yellow, claws black. Elytron 

 yellow at the base, but pale and semitransparent at the 

 apex. Areas fumose, margined with white. Wings 

 with fine brown nervures. The penis is tubular in 

 form, with a dilation in the midst. The orifice is 

 furnished with three finger-like processes, like those 

 to be seen in T. rosce and others. Viewed in profile, 

 the jointed cauda, filiform styles, and the spatulose 

 sheaths may be sometimes seen all protruded, as 

 drawn in my figure. 



Inch. Millimetres. 



Expanse 0-28 7-10 



Length 0-10 4-00 



