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Kessleria alternans is a moth of the family Yponomeutidae. It is found in France, Switzerland and Italy.[1] It has also been recorded from the Caucasus.

Kessleria alternans
Female
Male
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Yponomeutidae
Genus:	Kessleria
Species:	K. alternans
Binomial name
Kessleria alternans (Staudinger, 1871)
Synonyms
Swammerdamia alternans Staudinger, 1871

The length of the forewings is 8-9.2 mm for males and 6.7-8.1 mm for females. The forewings are grey. The hindwings are light grey. Adults have been recorded from mid to the end of July.[2]

The larvae feed on Saxifraga oppositifolia and Saxifraga paniculata. They create a spinning from which feeding takes place. The larvae have a brownish green body and light brown head.

References

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