A univoltine species: late June to mid August.
Parasites and predators: host of the cleptoparasite Epeolus cruciger.
The species has been in rapid decline in Finland as a result of destruction of habitat (Söderman & Leinonen, 2003).
A univoltine species: late June to mid August.
Parasites and predators: host of the cleptoparasite Epeolus cruciger.
The species has been in rapid decline in Finland as a result of destruction of habitat (Söderman & Leinonen, 2003).
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