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Praz, C. , Al-Shahat, A.M. and Gadallah, N.S. 2021.

Taxonomic revision of the subgenus Eutricharaea Thomson in Egypt, with a key to the species and the description of two new species (Hymenoptera, Anthophila, Megachilidae, genus Megachile Latreille)

. Zootaxa. 5032, 3 (Sep. 2021), 301–330. DOI:https://doi.org/10.11646/zootaxa.5032.3.1.