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Elophila nigralbalis is a moth in the family Crambidae. It was described by Aristide Caradja in 1925.[1] It is found in Japan (Honshu, Shikoku, Kyushu, the Ryukyus), Vietnam, Indonesia and Taiwan.

Elophila nigralbalis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Crambidae
Genus:	Elophila
Species:	E. nigralbalis
Binomial name
Elophila nigralbalis (Caradja, 1925)
Synonyms
Nymphula diffualis nigralbalis Caradja, 1925

The length of the forewings is 4.8-5.7 mm for males and 6.3-7.3 mm for females. The ground colour of the wings is fuscous.

The larvae feed on Azolla species and Marsilea quadrifolia. Young larvae cut the leaves of their host plant and form a case. They feed on the leaf surface. Full-grown larvae reach a length of 11–15 mm.[2]

References

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