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Leucoptera puerariella is a moth in the Lyonetiidae family. It is known from Japan (Honshu, Kyushu).

Leucoptera puerariella
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Lyonetiidae
Genus:	Leucoptera
Species:	L. puerariella
Binomial name
Leucoptera puerariella Kuroko, 1964

The wingspan is 4–5 millimetres (0.16–0.20 in). Adults are on wing from the end of July and again from May. There are two to three generations per year.

The larvae feed on Pueraria lobata. They mine the leaves of their host plant. The mine has the form of an upper surface irregular blotch expanding along the leaf margin or vein. It is pale greenish-brown. One to three mines are found on a single leaf. Full-grown larvae leave the mine and make a spindle-shaped white cocoon covered by a flattened thin silken web at the leaf margin.

External links

• Revisional Studies On The Family Lyonetiidae Of Japan (Lepidoptera)

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