Seq # 300010143

Scythris sinensis (Felder & Rogenhofer, 1875) Species

Last modified: Dec. 19, 2022, 11:58 a.m.

New to Belgium in 2022 in AN.


Family: Scythrididae > Genus: Scythris > Species: Scythris sinensis
Vernacular names
Kentish owlet (EN)


Originally an East Asian species, but introduced in Europe (early 1970s) and the United States (2011).



Wingspan about 12 mm. Two forms occur: one with plain blackish wings (first generation), the other one with distinctive yellow spots (second and third generations), 1 pair near wing base and another pair at tip. Both forms have diagnostic yellow abdomens.

Museum specimens

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Specimens in nature


The larvae lives in a loose silken web between the young leaves and flower buds on tip of the food plant.

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Flight periods

The adults fly from early June towards late September in 2 or 3 generations a year.

Observed on

Host plant (species):
Chenopodium album and Atriplex patula
Host plant (genera):
Atriplex and Chenopodium

The larvae lives on Atriplex patula and Chenopodium album. Hibernates as a pupa in a white dense cocoon near the host plant.

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Urban environment, disturbed and industrial areas, arable land, road sides etc...

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