New distribution records of wild bees (Hymenoptera, Apoidea) in South Tyrol (Italy): expanding the wild bee database
2025
Sebastiano Zanini | Matteo Dainese | Timo Kopf | Lisa Obwegs | Matteo Anderle | Georg Leitinger | Ulrike Tappeiner
Throughout South Tyrol, in northern Italy, there is a data deficiency relating to wild bee species pool. Here, we present significant findings from the collection of 3,313 wild bees gathered over two separate studies conducted in consecutive years. Our research focused on the impact of landscape heterogeneity, temperature and land-use change on wild bee communities and their pollination services in an agricultural and mountainous landscape. This article provides a detailed account of the 150 identified wild bee species collected using coloured pan traps. We report habitat type, occurrence data, threat status, sociality, nesting strategy and diet breadth. In Italian regions where information on wild bee distribution is lacking or outdated, sharing data is crucial for developing conservation policies.The compiled species list strengthens regional and national wild bee database by providing new distribution data for extinction-threatened species, such as Dufourea dentiventris (Nylander, 1848), Dufourea inermis (Nylander, 1848), Lasioglossum brevicorne (Schenck, 1870), Lasioglossum laevigatum (Kirby, 1802), Lasioglossum monstrificum (Morawitz, 1891), Nomada mutica Morawitz, 1872 and Nomada villosa Thomson, 1870. Additionally, we present recent findings of species that are valuable for understanding range expansions, recording species previously unreported in South Tyrol and updating historical data for the region.
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