1. A parent-of-origin effect on honeybee worker ovary size by Benjamin P. Oldroyd, Michael H. Allsopp, Katherine M. Roth, Emily J. Remnant, Robert A. Drewell, and Madeleine Beekman Proceedings B Volume 281(1775):20132388 January 22, 2014 ©2014 by The Royal Society

2. Reciprocal effects on emergence weight and ovariole number in crosses between A. m. scutellata queens inseminated with a single A. m. capensis male (sxc, black bars) and A. m. capensis queens inseminated with an A. m. scutellata male (cxs, white bars). Benjamin P. Oldroyd et al. Proc. R. Soc. B 2014;281:20132388 ©2014 by The Royal Society

3. The effect of paternity on the presence of a spermatheca in reciprocal crosses between A. m. scutellata (cxs, white bars) and A. m. capensis (sxc, black bars) reared in two unrelated A. m. scutellata colonies. Benjamin P. Oldroyd et al. Proc. R. Soc. B 2014;281:20132388 ©2014 by The Royal Society