Antaeotricha platydesma is a moth in the family Depressariidae. It was described by Edward Meyrick in 1915. It is found in Guyana."Antaeotricha Zeller, 1854" at Markku Savela's Lepidoptera and Some Other Life Forms.
The wingspan is 20–23 mm. The forewings are greyish-ochreous with the costal edge whitish-ochreous throughout, edged below by a fine dark grey line. The markings are dark ashy-grey. There is an irregular spot on the base of the dorsum and a cloudy irregular line from one-fourth of the costa to the middle of the dorsum and a broad oblique subterminal fascia, extending on the costa from the middle to five-sixths and running to the tornus. Some cloudy dots are found around the apical margin. The hindwings are rather dark grey, with the costa in males hardly expanded, and with a moderately long whitish subcostal hairpencil lying beneath the forewings.Exotic Microlepidoptera 1 (13): 405
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