Dudua Walker
Type species: hesperialis Walker
DIAGNOSIS
External characters:
Venation:
Forewing: Chorda completely atrophied or originating between R 1-R 2 and terminating beyond R 5; median stem wanting or its remainders reaching half way M 2-M 3; CuP preserved in terminal part of wing; R 4-R 5 approximate basally; fork of anal veins long.
Hindwing: M 3 and CuA 1 connate; R -M 1 approximate postbasally or basally.
Forewing shape and markings:
Dudua aprobola adults
Dudua aprobola : forewing narrow, dilated; apex and termen strongly rounded.
Additional characters:
Posterior femur fringed along lower edge in basal half; tibia dilated posteriorly; anal region of hindwing rolled and folded, with tuft of scent scales inside, if present.
Genitalia:
Male:
male genitalia Dudua aprobola
Tegumen slender, often with distinct shoulders; uncus rather broad, flat, densely haired; socius drooping, slender, hairy; base of tuba analis forming a median aciculate lobe or pair of lobes. Cucullus long, angulated; fold variably developed, often very long. Terminal angulation of sacculus usually weak, spines situated median, hairs anterior, median or postero-median if developed. Aedeagus short, cornuti absent.
Female:
female genitalia Dudua aprobola
Sterigma an emarginate, densely spined, more or less sclerotic plate, often extending posteriorly or elevated around ostium bursae, exceptionally accompanied by aciculate lobes or plates situated in broad surrounding membrane. Colliculum slender, often with sclerotic slit ventrally. Ductus bursae long; signa two densely spined plates extending medially into rather short cones or funnels.
Early stages:
Chaetotaxy of larvae unknown.
Biology:
Larvae live on Euphorbiaceae (Australian Dudua phylanthana on Phyllanthus). Larvae of Dudua aprobola roll the leaves or feeds in inflorescences of Rosa, Lantana, Dahlia, Salix etc.
Distribution:
Palaearctic, Oriental and Australian regions.