As of 2014, there are 527 beetle species that are endangered, extinct or threatened.
Beetle collecting for scientific purposes is not what threatens healthy beetle populations. Rather, man-made habitat degradation, like deforestation, are primary threats to beetles.
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Inadvertent or purposeful introductions of exotic plants and insect species, electric lights that attract species in unnatural concentrations, and persistent adverse weather are some of the things that negatively impact beetle populations.
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“The Book of Beetles,” edited by Patrice Bouchard, celebrates the beauty and diversity of this marvelous group of insects, covering 600 significant beetle species.