Abstract
Melipona scutellaris is an important pollinator in natural and cultured areas from northeastern Brazil. Therefore, the goal of this work was to investigate the genetic diversity and population structure of M. scutellaris within its Bahia range, relating putative geographical influences on population dynamics. A total of 111 colonies from 13 municipalities in Bahia from sea level up to 1,011 m of altitude were sampled. Five species-specific codominant (microsatellites) and ten dominant (ISSR) primers were amplified, yielding from 2 to 13 alleles and 94 bands, respectively. The mean genetic diversity (He) was 0.50 for microsatellites and 0.33 for ISSR markers. AMOVA revealed that most of genetic variation is found within localities (82.6 % for microsatellites and 73.6 % for ISSR), and UPGMA and Bayesian analysis revealed the formation of two genetic groups related to altitude. Therefore, conservation strategies should take altitude variation into consideration to assure the genetic integrity of M. scutellaris.
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