Efeito do tamanho da área nativa na reprodução de Trypoxylon (Trypargilum) lactitarse Saussure, 1867 (Hymenoptera: Crabronidae)
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2016-08-05
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Universidade Federal de Goiás
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Fragmentation of native vegetation implies in reduction of local species richness and
abundance, increase the isolation of populations, leading to local species extinction. In
fragmented areas, food and nesting resources for bees and wasps are unevenly distributed,
which ultimately influences their foraging pattern behaviour, reproductive success, and
survivorship. Thus, the aim of this study was to determine whether the size of areas of native
vegetation remnants interferes with the reproductive success of a species of solitary wasp
Trypoxylon lactitarse Saussure (1867), a recognized species of pollinator. Therefore, we set
trap nests in the edges of different sizes forest fragments in the region of Goianápolis-GO,
Hidrolandia-GO and surrounding municipalities. In these preexisting cavities, we quantified
the foundation rate, the average number of cells with larvae, the survival of larvae, and adults
hatched and size. In this work, the foundation rate was higher in larger fragments. However,
the average number of cells per nest, the survival rate of larvae, and the size of the hatched
adults did not differ between large and small areas. These results show that the size of the
fragments may have higher influence on survival and retention of adults than in larvae.
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OLIVEIRA, G. K. C. Efeito do tamanho da área nativa na reprodução de Trypoxylon (Trypargilum) lactitarse Saussure, 1867 (Hymenoptera: Crabronidae). 2016. 39 f. Dissertação (Mestrado em Biodiversidade Vegetal) - Universidade Federal de Goiás, Goiânia, 2016.