DNA barcoding unveils the first record of Andrena allosa for Italy and unexpected genetic diversity in Andrena praecox (Hymenoptera: Andrenidae)
DNA barcoding is well-known to support morphological species identification and it can be helpful for unveiling unexpected populations divergence patterns, especially in the context of the impacts on species posed by global change. In this note, we provided the first Italian record of the alpine mining bee Andrena allosa Warncke, 1975, confirmed with DNA barcoding. In addition, genetic identification of a specimen of Andrena praecox (Scopoli 1753) from western Italy pointed to an unexpected intraspecific genetic structuring at COI DNA barcoding region, with sequences from the Italian and the western sector of its global distribution differing 2.22% (p-dist) from populations of the eastern sector. Given the relevance of these records and of the genetic identity of bee populations from Italy, we argue that implementing molecular surveys in bee monitoring would surely contribute to the conservation of these important pollinators.
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