Abstract
Stingless bees are important pollinators in tropical and subtropical areas. The breeding of native stingless bee species from the Meliponini tribe to obtain honey, pollen, and geopropolis (meliponiculture) is a promising activity in Brazil with economic, social, and environmental impacts. Stingless bees can share food sources with Apis mellifera and other insects that can be vectors of pathogens. Here, we investigated seven stingless bee species from Brazil (Melipona quadrifasciata anthidioides, Melipona scutellaris, Nannotrigona testaceicornis, Partamona helleri, Scaptotrigona xanthotricha, Tetragonisca angustula, and Trigona spinipes) screening for seven of the most common pathogenic viruses (ABPV, IAPV, BQCV, CBPV, SBV, KBV, and DWV) in A. mellifera in summer and winter seasons. All seven stingless bee species studied were positive for ABPV and IAPV (only in M. quadrifasciata anthidioides and T. spinipes), while ABPV was found in samples from summer and winter, IAPV was only found in winter. This is the first study detecting viruses in seven native stingless bee species in Brazil and because of the novelty of this area in Brazil, it is necessary to monitor native stingless bee colonies to investigate the impact of those viruses at a colony and individual level to avoid losses and impact to the native bees.
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