Fly-parasite
Guides
Thyridanthrax
bee flies
Thyridanthrax is a genus of bee flies (family Bombyliidae) comprising approximately 12-50 described species distributed across Eurasia, Africa, North America, and South America. Species within this genus are parasitoids with documented associations with various hosts including crabronid wasps and calliphorid flies. The genus exhibits diverse parasitism strategies, with some species capable of facultative switching between idiobiont and koinobiont modes.