632 MONOGRAPH OF THE AUSTRALIAN CICADIT).¥., 



and second anastomoses. Wings vitreous, venation fuscous, the 

 anal area milky-white with a vitreous spot. (Spot sometimes 

 absent). Abdomen black, apical margin of segments testaceous; 

 in the male it is almost entirely black above and below; in the 

 female the margin of the segments, two narrow stripes on the 

 dorsum and sides of anal segment above with a broad stripe on 

 each side below, testaceous. Opercula small, testaceous-red, 

 blackish at base, wide apart. Legs testaceous, all femora striped, 

 and front tibiae, black. Long. corp. $ 20, 9 25 mm.; exp. tQg. g 

 60, 9 64 mm. 



Hab. — Tasmania; New Holland (Walker); Victoria; New South 

 Wales; Queensland. 



In its markings and size this is a very variable species, 

 especially the males which are most frequently almost entirely 

 black, although the typically marked examples do occur. It may 

 be easily recognised, when the tegmina and wings are at rest, by 

 the very prominent milky-white stripe on the anal area of the 

 wings which is seen through the transparent tegmina. Walker's 

 synonyms are due to his peculiar methods for separating species. 



*Melampsalta umbrimargo, Walk. (Plate xviii., fig. 12). 



1858. Cicada id., List Horn. Brit. Mus. Suppl. p. 32. 



9. Yellow. Head with two broad irregular black stripes, 

 connected between ocelli, front with a lanceolate black stripe, 

 emitting branches along furrows, contains a yellow dot, almost 

 connected on each side with a band. Proiiotum with two black 

 stripes, connected in middle, widened and diverging in front and 

 behind, where there is a black dot; the black streaks on each side, 

 border edged with black, and armed with a tooth on each side. 

 Mesonotnm with, four obconical black stripes, a lanceolate black 

 streak behind the inner pair, which are short. Tegmina vitreous, 

 narrow, veins yellow, black toward tip, clouded with brown at 

 tips and exterior border, hind vein black; first, second and third 

 transverse veins clouded with brown. Abdomen with a black band 

 on the fore border of each segment; last segment with two black 



