Excess Power Indices (EPI) (±SE) of four native bee species (Agapostemon virescens, Andrena carlini, Melissodes bimaculata, Xylocopa virginica) and their corresponding sex. All Mann-Whitney U tests found that all males of each species had a significantly higher EPI compared to females at p < 0.05.

 
 
  Part of: Vigueira PA, Vigueira CC, Campbell JW, Ladner S, Hayes G, Riser E (2023) Sexual dimorphism in excess power index of four North American native bees (Hymenoptera, Andrenidae, Apidae, and Halictidae). Journal of Hymenoptera Research 96: 121-128. https://doi.org/10.3897/jhr.96.98652