Li, X.; Yuan, D.; Rodriguez, J.; Yeates, D. K. 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 2019, 4609, 149–159.