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| Roig-Alsina, Arturo and Torretta, Juan Pablo Species of Megachile (Chrysosarus) with a partial cutting edge in the female mandible in Argentina, Chile and Uruguay (Hymenoptera, Megachilidae). Rev. Mus. Argent. Cienc. Nat., 2023, vol.25, no.2, p.225-247. ISSN 1853-0400
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