Reference:
Karsten Seidelmann, Open-cell parasitism shapes maternal investment patterns in the Red Mason bee Osmia rufa, Behavioral Ecology, Volume 17, Issue 5, September/October 2006, Pages 839–848, https://doi.org/10.1093/beheco/arl017URL:
https://pdfs.semanticscholar.org/e674/790b3a95dea2c45898313576c2c3a383a1b2.pdfLiterature
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