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Li, X., Yuan, D., Rodriguez, J. and Yeates, D.K. 2019. Sand wasp (Hymenoptera: Crabronidae) parasites emerging from mud wasp nests (Hymenoptera: Sphecidae)—a reliable host record of Thraxan Yeates & Lambkin (Diptera: Bombyliidae: Anthracinae) with description of the pupal exuviae of three Thraxan species. Zootaxa. 4609, 1 (May 2019), 149–159. DOI:https://doi.org/10.11646/zootaxa.4609.1.7.