''Compsolechia atmastra'' 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 ...

of the family Gelechiidae. It was described by Edward Meyrick in 1929. It is found in

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

. 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 about 15 mm. The forewings are dark bronzy grey with small ill-defined black spots beneath the costa at and near the base, and one beneath the fold hardly beyond the second. There are several small irregular cloudy whitish marks or dots irregularly placed in the median area of the disc and there is a small white transverse wedge-shaped spot on the costa at three-fourths, and a dot on the tornus hardly beyond it. A small black spot is found on the costa near the apex and there are three small white spots (lowest dot-like) before the upper part of the termen, and two small black marks between these. The hindwings are dark fuscous.''Exotic Microlepidoptera''. 3 (16): 506.
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References

Moths described in 1929 Compsolechia Taxa named by Edward Meyrick {{Compsolechia-stub