A univoltine species: from the beginning of June to the middle of July (in the Alps, from the end of June to mid-August).
Parasites and predators: Host of the cleptoparasite Epeolus alpinus
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A univoltine species: from the beginning of June to the middle of July (in the Alps, from the end of June to mid-August).
Parasites and predators: Host of the cleptoparasite Epeolus alpinus
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