Eugoa clavata sp.
7mm. The forewings are
dull greyish brown with a conspicuous discal dot and angled brown fasciae. The
male antennae are ciliated. The male genitalia are distinguished from all
congeners by the strongly incurved apically clubbed and spined saccular process
on the valve as in E. signula van Eecke (Sumatra), but this is much more
strongly curved, and the club is tighter; the valve also is very much more
expanded centrally. E. signula has a paler fawn ground colour to the
forewings and bone-white hindwings. The female genitalia have prominent pockets
laterally on the seventh segment that probably receive the saccular process
during copulation. The bursa is centrally constricted, the basal part with a
distal row of spines, and the more distal part spined almost throughout (see
Eugoa aridoides sp. n.).
Ulu Dusun, 30 mls W. of Sandakan, 28-31 .i. 1976 (E. W. Classey ), BM
arctiid slide 5040.
3m, Mumong, secondary and coastal veg., 12.12.1979 (R. Fairclough), BM
arctiid slide 5086.
Habitat preference. This
is a rare lowland species that can nevertheless persist where disturbance has
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