The flight period is from the end of May or early June to September. The new generation of queens, and the males emerge at the end of August. (Westrich, 1989).
%LABEL% (%SOURCE%)
The flight period is from the end of May or early June to September. The new generation of queens, and the males emerge at the end of August. (Westrich, 1989).
%LABEL% (%SOURCE%)