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Samples of bark and logs damaged by bark beetles were collected from 16 states of Mexico from 2007 to 2012. Fifteen bark beetle species were found within the bark and log samples and were examined for phoretic mites and arthropod associates. Thirty-three species of mesostigmatid mites were discovered within the samples. They were identified in several trophic guilds based on the mites’ feeding habits if known. Over half of the 33 mite species were found to be predators feeding on arthropods or nematodes, with the most voracious mites in this study being Dendrolaelaps quadrisetus, Hypoaspis (Cosmolaelaps) vacua, Macrocheles boudreauxi, Proctolaelaps dendroctoni, and Schiztothetus lyriformis.
