Elachista kurokoi

Elachista kurokoi is a moth in the Elachistidae family. It was described by Parenti in 1983. It is found in Japan (Honsyû, Sikoku, Kyûsyû, Tusima, Ryûkyû).

The length of the forewings is 2.4-3 mm for males and 2.5-3.2 mm for females. The forewings are blackish, with five small silver-whitish spots. There are two or more generations per year.

The larvae feed on Oplismenus undulatifolius, Digitaria timorensis and Microstegium vimineum. They mine the leaves of their host plant. The mine has the form of a full-depth and elongate blotch. The species overwinters in the pupal stage.