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Acta Biológica Colombiana

Print version ISSN 0120-548X


CAB-BAQUEIRO, Silvia et al. Nesting substrates and nest density of stingless bees in the Petenes Biosphere Reserve, Mexico. Acta biol.Colomb. [online]. 2022, vol.27, n.1, pp.61-69.  Epub Feb 10, 2022. ISSN 0120-548X.

Stingless bees (ASA) are relevant organisms in ecosystems because of their performance as pollinators. In Mexico, the higher diversity of ASA is found in the southeast. In this study, the ASA species and nest density of nests were identified at two sites with different disturbances (Hecelchakán and Calkiní) within the Petenes Biosphere Reserve (RBLP), Campeche (Mexico). Also, the substrates and the nesting tree species were identified. In total, ten sampling transects were performed between January and May 2018. In total 56 nests belonging to eight different species of ASA (Cephalotrigonazexmeniae, Frieseomelitta nigra, Lestrimellita niitkib, Nanotrigonaperilampoides, Partamona bilineata, Plebeia frontalis, Scaptotrigona pectoralis and Trigona fulviventris) were found. The species with the highest number of nests corresponded to F. nigra (41.07 %) and S. pectoralis (28.57 %). No significant differences were found in nest density between the Hecelchakán (2.15 nests/ha) and Calkiní (0.19 nests/ha) site. The preferred substrate for nesting is cavities in living trees (78.57 %). In total 15 tree species were identified as nesting substrate and the most abundant species corresponded to Crescentia cujete (n = 8, 40.90 %). The degree of disturbance had little effect on the number and density of ASA nest, however, in general, the RBLP presented low species composition and nest density. Therefore, this study allowed to establish the bases for future studies on management and conservation strategies of these species to avoid their loss in the RBLP.

Keywords : Conservation; natural protected area; Meliponini; survey.

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