614 MONOGRAPH OF THE AUSTRALIAN CICADID.E, 



Black; head with a yellow spot on each side of vertex. Pro- 

 notum immaculate. Mesonotum with a transverse row of four 

 yellow spots, sometimes two in front of these, a spot of the same 

 colour on each side of cruciform elevation. Tegmvna black, with 

 two spots near base, three across middle, two behind these, 

 3^ellow, the apical areas mostly pale. Wings black, a basal spot 

 and some of apical areas yellow. Abdomen black. Body below 

 dark brown, with two rows of yellow spots ; apical edges of 

 segments above narrowly bordered with yellow. Long. corp. 

 30-35 mm. ; exp. teg. 90 mm. 



Hah. — China (Fabricius) ; Northern Territory, S. A. ; three 

 examples, collected by Mr. J. G. Tepper (South Australian and 

 Macleay Museums). 



Genus H u e c h y s, Am. et Serv. 

 1843. Hemip. p. 464. 

 1866. Stal, Hemip. Afric. iv. p. 4. 



Head rather small, as broad as front of pronotum; front tri- 

 angularly produced, with a distinct, abbreviated median, longi- 

 tudinal sulcus. Body slender. Sides of pronotnm convex, not 

 laterally dilated, front angles directed below the eyes. Tegwina 

 •entirely opaque, coloured; ulnar veins distant at base; interior 

 ulnar area a little broadened towards apex; eight apical areas. 

 Wings vitreous or opaque and coloured, with six apical areas. 

 Abdomen elongated. 



Type Cicada sanguinea, De Geer. 



The number of apical areas of the tegmina seems to vary, as 

 in three species before us, vidua, has nine; sanguinea eight; and 

 philcemata has nine in one, and ten in the other. 



*HuECHYS VIDUA, White. (Plate xviii., figs. 10, 10a, 105.) 

 1846. Ann. Mag. Nat. Hist. p. 332. 



Head black, front very prominent, gamboge yellow. Pronotum 

 black. Mesonotum black, with two large gamboge yellow spots. 

 Tegmina uniform blackish-brown. Wings vitreous, tinged with 

 brown around edge. Abdomen black, the middle, tip, and 



