Foraging preferences of the native stingless bee Melipona seminigra pernigra (Apidae: Meliponini) in campo rupestre on canga of Serra dos Carajás, southeastern Amazonia
2021
Honey pollen samples of Melipona seminigra pernigra Moure & Kerr 1950 sampled between 2017 and
2019 from experimental apiaries installed in campo rupestre on canga (CRC) vegetation of the Serra dos Carajas
aimed to evaluated seasonal floral availability of undisturbed and mining-influenced areas. Around one hundred
pollen types were identified mainly belonging to Fabaceae, Myrtaceae and Euphorbiaceae (31, 6 and 5 species,
respectively). Mining area presented the highest pollen richness, almost twice those identified in the undisturbed
areas. 80% of the pollen types are rare with concentrations ≤ 2,000 pollen grains/10 g, while the remaining were
the most abundant, frequent and the primary bee sources. These latter correspond mostly to native plants species
such as Tapirira guianensis Aubl., Protium spp., Aparisthmium cordatum (A.Juss.) Baill., Mimosa acutistipula
var. ferrea Barneby, Periandra mediterranea (Vell.) Taub., Miconia spp., Pleroma carajasense K.Rocha, Myrcia
splendens (Sw.) DC., Serjania spp. and Solanum crinitum Lam. All pollen types were identified during both
seasons, but higher concentration values are related to the dry period (June-September). The statistical analysis
of the pollen data indicated that there was no significant difference between undisturbed and mining-influenced
areas, since primary bee sources of this study are widespread used in revegetation of mined areas.
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