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Family Mythicomyiidae - Micro Bee Flies

Fly 6 - Mythicomyia Duck-billed bee fly on Monkeyflower - Mythicomyia Mythicomyia? Diptera Diptera Diptera Micro Bee Fly Micro Bee Fly
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Orthorrhapha)
Superfamily Asiloidea
Family Mythicomyiidae (Micro Bee Flies)
Synonyms and other taxonomic changes
Traditionally treated as a subfamily of Bombyliidae; there is no consensus among experts about the status of this group.
Numbers
>170 spp. (of which 160 in Mythicomyia) in 3 genera in our area(1), ~350 spp. in 25 genera worldwide(2)
Identification
Similar to Bombyliidae but the adult thorax is with bristles not strongly developed, bristles on legs other than apical bristles lacking, cells br and bm usually equal in length or nearly so, vein R2+3 absent or short, ending in R1, and R4+5 unbranched, R5 absent.
Food
Larvae of Mythicomyia are known as gregarious parasites of solitary bees; Glabellula are possible predators (free-living or inhabiting ant nests); the exotic Psiloderoides prey on grasshopper egg pods(3).
Remarks
Fossil record is 200 million years older than the oldest bombyliid fossil(3).
Print References
Evenhuis N.L. (2007) Catalog of the Mythicomyiidae of the World (Insecta: Diptera). FULL TEXT.