IRMNG taxon details
original description
Engel, M.S. & Griswold, T. (2019). On the classification of North American <i>Chelostoma</i> (Hymenoptera: Megachilidae). <em>Journal of Melittology.</em> 90: 1-6., available online at https://doi.org/10.17161/jom.v0i90.11760 [details]
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