Food
The larvae feed on "Prunus spinosa" and "Crataegus", but also on birch. The pupae may stay unhatched for years; in one study, the latest hatches occurred after 10 years.References:
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Small eggar
Eriogaster lanestris
"Eriogaster lanestris", the small eggar, is a moth of the family Lasiocampidae. It is found in most of Europe and much of the Palearctic ranging to the Amur River. Its wingspan is 30–40 mm. The moth flies from March to April depending on the location.
