<Emphasis Type="Italic">Anthidium vigintiduopunctatum</Emphasis> Friese (Hymenoptera: Megachilidae): the elusive “dwarf bee” of the Galápagos Archipelago? |
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Authors: | Victor H Gonzalez Jonathan B Koch Terry Griswold |
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Institution: | (1) USDA-ARS, Pollinating Insects Research Unit, Utah State University, Logan, UT 84322-5310, USA;(2) Department of Biology, Utah State University, 5305 Old Main Hill, Logan, UT 84321-5305, USA |
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Abstract: | The endemic large carpenter bee, Xylocopa darwini Cockerell, was the only known pollinator to the Galápagos Archipelago but as early as 1964 locals also spoke of the “dwarf
bee of Floreana”. We report the presence of the wool carder bee, Anthidium vigintiduopunctatum Friese, on the island of Floreana and use a species distribution model to predict its distribution in the archipelago. We
found that this species has the potential to invade almost one-third the surface area of the Galápagos Archipelago, primarily
in low arid areas. Given that wool carder bees are uncommonly collected, we discuss whether this species is a previously undetected
native bee or a recent adventive species to the Galápagos. |
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