Elachista nitensella is a moth in the family Elachistidae. It was described by Sinev and Sruoga in 1995. It is found in Japan (Hokkaido, Honshu, Kyushu) and the Russian Far East (Primorsky Krai).
Description The length of the forewings is 2.9–3.7 mm for males and 3.6–3.7 mm for females.
Nutrition The larvae feed on Carex species, possibly including Carex microtricha. They probably feed on the roots of their host plant.Japanese Elachista studied by Parenti (1983) (Lepidoptera, Elachistidae): The Subgenus Aphelosetia and the Gleichenella-, Tetragonella-, and Bifasciella-Groups
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