Ovarian development, ovariole number, and relationship to body size in Psithyrus spp. (Hymenoptera: Apidae) in southern Alberta

Oocyte development, potential fecundity and relationship to body size were evaluated in Psithyrus species, social bee parasites of the ancestral Bombus. Oocyte size in female Psithyrus from southern Alberta increased linearly with time from emergence since hibernation in the spring and was not synch...

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