Partial bivoltinism in a ground-nesting bee: the biology of Diadasia rinconis in Texas (Hymenoptera, Anthophoridae)

A central Texas population of Diadasia rinconis, a common, oligolectic, gregariously nesting solitary bee, is shown to be partially bivoltine. Most individuals are univoltine, over wintering as prepupae in cocoons in their natal cells. However, a portion of the mature first generation larvae does no...

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