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</style></head><body style='font-family: Helvetica, Arial, sans-serif; font-size: 13px; '><div>Dear all, </div><br><div>I would like to measure certain traits, such as size, wing wear and mandible wear of Euglossa females and use this information for comparing solitary and social individuals. </div><div>Does anyone know of a standard to evaluate mandible wear in bees, maybe similar to the one for wing wear from Mueller and Wolf-Mueller (1993)?</div><br><div>Best wishes and a good Sunday, </div><div>Anna</div></body></html>