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Kerala Moore

Type species: punctilineata Moore.

The male antennae are fasciculate, the wing venation of the ground plan type except R2 branches relatively distally from R5 on the forewing. The forewing is rather elongate, with a cryptic, mottled patterning of dark brown, green and occasionally other colours on a pale fawn or grey ground. The hindwing is rather round, sexually dimorphic, with the basal half tinged green with androconial scales in males and uniform grey in females. The male lacks an anterior retinaculum, wing coupling being of the female type.

The male abdomen in the type species has rather elongate, triangular apodemes on the basal sternite within a slight frame; they are similar in the female but the frame is lacking. In the genitalia, the uncus is massive, and the anal tube has a slightly scobinate and extensive subscaphium. The tegumen is long, expanded. The valves are elongate, somewhat careine. The aedeagus has a large, convolute vesica; some of the diverticula are scobinate. The eighth segment is modified, the sclerites produced basad, with short, broad apodemes on the tergite.

The female of the type species has a short, narrow ductus with a colliculum. The bursa is large, irregularly pyriform and slightly helical, with a distal signum consisting of a scobinate dome.

Apart from the questionable Bornean record below, the distribution is from the Himalaya and Burma, Tibet, western China, Taiwan, Japan, Mongolia and eastern Siberia. The host plants recorded in Japan (Sugi, 1987) are Alnus and Betula (Betulaceae), both absent from Borneo.

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