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Local and landscape effects on the reproduction of wild bees and wasps in Mediterranean communities along a gradient of land-use

Marrero, Hugo Javier; Gómez-Martínez, Carmelo; Allasino, Mariana Laura; Haedo, Joana P.; González-Estévez, Miguel A.; Lázaro, Amparo (Wiley, 2025-01)

The transformation of natural landscapes for agricultural purposes may severely affect wild bee and wasp reproduction. In this study, we located trap-nests on 18 natural Mediterranean communities within agricultural areas ...
Scientific note: first global report of a bee nest built only with plastic

Allasino, Mariana Laura; Marrero, Hugo Javier; Torretta, Juan Pablo; Dorado, Jimena (INRA, DIB; Springer-Verlag France, 2019-01-28)

Agricultural plastic waste can alter wildlife diversity and behavior. Species survival will depend on their ability to adapt to new environmental conditions. In a seed-producing farm, a Megachile sp. nest made fully ...
The Neotropical cleptoparasitic bee Mesocheira bicolor (Hymenoptera: Apidae: Ericrocidini) in Argentina

Torretta, Juan Pablo; Graffigna, Sofía; Allasino, Mariana Laura; Avalos, Adán A.; Marrero, Hugo Javier; Álvarez, Leopoldo J. (American Entomological Society, 2024-02-16)

Mesocheira bicolor (Fabricius) is a cleptoparasite bee, widely distributed in the New World from Mexico to northern Argentina. In Argentina, this species is only documented from Formosa. In this contribution, we report new ...