Extreme species density of bees (Apiformes, Hymenoptera) in the warm deserts of North America

Despite the long intertwined evolutionary histories of bees and plants, bee diversity peaks in the xeric areas of the eastern and western hemispheres and not the tropics, where plant diversity is greatest. Intensive sampling in the northeast Chihuahuan Desert of Mexico and the United States provide...

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Bibliographic Details
Published in:Journal of Hymenoptera research 2021-04, Vol.82 (2), p.317-345
Main Authors: Minckley, Robert L, Radke, William R
Format: Article
Language:English
Subjects:
Analysis
Bees
Biological diversity
Deserts
Distribution
Environmental aspects
Pollination
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Summary:Despite the long intertwined evolutionary histories of bees and plants, bee diversity peaks in the xeric areas of the eastern and western hemispheres and not the tropics, where plant diversity is greatest. Intensive sampling in the northeast Chihuahuan Desert of Mexico and the United States provide the first quantitative estimate of bee species richness where high diversity had been predicted in North America from museum records. We find that the density of bee species in a limited area of 16 km 2 far exceeds any other site in the world and amounts to approximately 14% of the bee species described from the United States. Long-term studies of bees and other pollinators from areas that are minimally impacted by humans provide much-needed baseline data for studies of bees where human impacts are more severe and as climate change accelerates.
ISSN:1070-9428
1314-2607
DOI:10.3897/jhr.82.60895