3.
Head thorax and upper wings of a rich brown colour, the outer edge of the last is deep black, with a transverse yellowish spot just before the middle, the remainder of the edge slightly spotted with black, upper side covered with short blackish hairs; lower wings deep black; abdomen of a bright red, with a round white tuft on the upper side near the end; first two pairs of legs of a deep brown, with some reddish lines; hind legs ferruginous with blackish spines.
Expanse of wings 7 lines.
Hab.

Australia.
TETTIGARCTA, n.

genus, WHITE.Fam.

CICADIDAE.
Head very small in front, blunt; lateral ocelli close to the eyes, space between them with long hairs.
Prothorax very large, extending back in a rounded form beyond the base of hind wings, the sides sharp pointed, the back very convex and wrinkled.
Body and under parts densely clothed with hair.
This very singular genus differs from all the Stridulantes in the size and shape of the prothorax; in the neuration of the elytra it is allied to PLATYPLEURA (Amyst and Serville) in the size of head and hairiness of body it approaches CARINETA of the same authors.

The Pupa, (fig.