Journal of Hymenoptera Research 97: 45-56, https://doi.org/10.3897/jhr.97.117410
Involved member of MultiTroph: Manuela Sann
Summary: This study used a minimally invasive approach combining layer trap nests with DNA barcoding to quantitatively investigate the larval food resources and natural enemies of cavity-nesting wasps. The researchers reconstructed multi-trophic interaction networks for seven wasp species, identifying previously unknown feeding links and several prey species that are known as agricultural and forest pests. The method provides a way to quantify prey items, enabling a deeper understanding of the feeding ecology and potential for pest control.
Conclusion: The authors concluded that the combination of trap nest monitoring and DNA barcoding is an effective tool for comprehensively studying the biology of cavity-nesting Hymenoptera and their interaction partners. This approach has practical applications in species conservation and pest control by revealing valuable insights into complex ecological networks.