Erythraeus sp. · erkė

Sitting on on spider (probably Thomisidae) cocoon and feeding on eggs.
I think bite marks on the cocoon can be seen.
Cocoon on Carex viridula · ant dirvoninės viksvos

Class: Arachnida
Subclass: Acari
Order: Trombidiformes
Family: Erythraeidae

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