Thudaca heterastis

Thudaca heterastis is a moth in the family Depressariidae. It was described by Edward Meyrick in 1893. It is found in Australia, where it has been recorded from Western Australia.[1]

Thudaca heterastis
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Depressariidae
Genus:
Thudaca
Species:
T. heterastis
Binomial name
Thudaca heterastis
Meyrick, 1893

The wingspan is 16–20 mm. The forewings are snow white with a moderate orange streak immediately beneath the costa from the base to the costa near the apex, sometimes obsolete beyond two-thirds. There is a rather broad orange streak along the inner margin to the anal angle, becoming suddenly subdorsal on the basal fourth and not quite reaching the base, usually more or less wholly suffused with dark fuscous, posteriorly attenuated. There is a transverse orange streak suffused with dark fuscous, from the subcostal streak at three-fifths to the middle of the dorsal streak, forming an obtuse-angled zigzag in the middle, sometimes interrupted or wholly absent. A straight orange streak, suffused with dark fuscous, is found from the costa near the apex to the anal angle, sometimes widely interrupted or visible at the extremities only. There are some dark fuscous scales on the hindmargin. The hindwings are pale whitish grey, faintly yellowish tinged.[2]

References
  1. Thudaca at Markku Savela's Lepidoptera and Some Other Life Forms.
  2. Proceedings of the Linnean Society of New South Wales (2) 7 (4): 571


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