60 ae L. Distant on 
Family FULGORIDAE. 
Aphaena reversa. 
Ulasia reversa, Walk., Journ. Linn. Soc. Zool., x, p. 99 
(1870). 
Mimika River. 
Myrilla obsewra, var. 
Myrilla obscura, Dist., Trans. Ent. Soc. Lond., 1888, p. 487, 
pl. xin, fig. 8. 
Mimika River. 
This variety differs from the type in having less than 
basal two-thirds of the wings, black. 
Myrilla papwana. 
Myrilla papwana, Dist. Ann. Mag. Nat. Hist. (7), xviii, 
p- 29 (1906). 
Mimika River. 
Parwana curvifera. 
Paricana curvifera, Dist, Ann. Mag. Nat. Hist. (7), xix, 
p. 288 (1907). 
Wataikwa River. 
OKENANA, gen, nov. 
Head including eyes as wide as the anterior angles of the 
pronotum ; vertex transverse slightly convex, the anterior lateral 
angles subprominent ; face scarcely longer than broad, narrowing 
from middle to clypeus, centrally longitudinally carinate, the 
lateral margins laminately reflexed ; clypeus with two longitudinal 
ridges on basal area; pronotum and mesonotum centrally longi- 
tudinally carinate ; tegmina about one and a half times as long as 
broad, costal membrane not wider than radial area, the first 
obliquely, the latter more transversely veined, claval area strongly 
granulose ; wings about one and a half times as long as broad, 
posterior margin distinctly sinuate near middle, some of the 
longitudinal veins furcate outwardly and forming apical cells; 
posterior tibiae bispinose, one spine beyond middle, the other at 
apex. 
Somewhat allied to Halavrita, but differs in the clypeus 
having two longitudinal ridges on the basal area, 
