''Eutorna insidiosa'' is a
moth
Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...
in the family
Depressariidae. It was described by
Edward Meyrick in 1910. It is found in
India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
(
Assam
Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of . The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur ...
).
The
wingspan
The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...
is 10–13 mm. The forewings are deep ochreous with the costal edge blackish towards the base and with a broad ferruginous-brown streak beneath the fold from the base to the tornus, suffused beneath and posteriorly, edged above with some black scales and then with whitish suffusion. There is a triangular patch of ferruginous-brown suffusion extending on the costa from two-fifths to near the apex and reaching half across the wing, edged anteriorly by a very oblique ochreous-whitish streak preceded towards the costa by some blackish irroration, and enclosing a shorter similar streak from the costa at three-fourths, the second discal stigma is round and black, edged with ochreous whitish and there are some blackish scales along the termen. The hindwings are rather dark grey.
''Journal of the Bombay Natural History Society'' 20 (1): 150
References
Moths described in 1910
Eutorna
{{Depressariinae-stub