STEPNOSTICTA.—GYRTONA, 207 
medial line indistinctly double, oblique from costa to submedian 
fold, then incurved ; two black discoidal points on a faint figure-of- 
eight-shaped grey patch; postmedial line very indistinct, double, 
bent outwards below costa, then oblique, below vein 4 incurved to 
below end of cell; an indistinct subterminal line excurved below 
vein 7 and at middle; a terminal series of blackish points. Hind 
wing semihyaline white, the veins of terminal half brown, the 
terminal area suffused with brown; cilia white tinged with 
brownish at base. 
Hab. Br. EK, Avrica, Athi R., Kitwi (Crawshay), 2 3 type. 
Exp. 14 millim. 
Genus GYRTONA. 
Type. 
CoO Oeil <kysl OO: (LOS) ce.caeectoe te seeeeeascet ae saceaseedessoul proaimalis, 
Sianadis Wiggs sos, ORIG) (e629) se econ sacec pase PescoceLconbe rede daesuaeee divitalis. 
Proboscis fully developed ; palpi obliquely upturned, the 2nd joint typically 
extending about the length of head and fringed with hair above and below 
towards extremity, the 5rd moderate, porrect ; frons smooth, with tuft of hair 
above ; eyes large, round; antenn of male ciliated ; thorax clothed almost 
entirely with scales and without distinct crests; tibiae slightly fringed with 
hair, the spurs long; abdomen with small crests on medial segments. Fore 
wing long and narrow, the margins parallel, the apex rounded, the termen 
evenly curved and not crenulate; veins 3 and 5 from near angle of cell; 6 from 
upper angle; 9 from 10 anastomosing with & to form the areole; 11 from cell, 
Hind wing with veins 3, 4, 5 from angle of cell; 6, 7 from upper angle ; 
8 anastomosing with the cell near base only, 
Secr. I. Fore wing of male with the costa highly arched, neuration much 
distorted ; hind wing with the basal part of costa lobed, 
6459. Gyrtona arcuata. 
Sadarsa arcuata, Umpsn, J. Bomb, Nat. Hist. Soc. xi. p. 454, pl. A. f. 19 
(1897), ¢. 
Gyrtona camptohasis, Umpsn. J. Bomb. Nat. Hist. Soe. xi. p. 454, pl. A, 
f20) (1897), 2. 
Head and thorax brownish grey mixed with some black ; fore 
tibia and tarsi banded with black: abdomen brownish grey, the 
crests black. Fore wing brownish grey slightly irrorated with 
fuscous, the base tinged with rufous bounded by a diffused obliquely 
Fig. 64.—Gyrtona arcuata, 3. } 
1° 
curved black subbasal band ; traces of a double waved antemedial 
line; claviform represented by a point of raised black scales, the 
orbicular by two points; reniform defined by black points ; traces 
of an oblique sinuous line from lower angie of cell to iuner margin ; 
