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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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Family Milichiidae - Freeloader Flies

Confusion - Desmometopa Milichiidae Milichiidae, Freeloader Fly, lateral - Paramyia Little Fly on Big Fly - Desmometopa Milichiella? - Milichiella Diptera Milichiidae Freeloader Flies in Saskatoon
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Acalyptratae")
Superfamily Carnoidea
Family Milichiidae (Freeloader Flies)
Explanation of Names
Milichiidae Schiner 1862
36 spp. in 12 genera in our area(1), ~350 spp. in 18 genera total(2)
1-5 mm(1)
Small, usually black or silvery.
open landscapes, forests & forest edges, forest canopy, stables/houses, caves(2)
Larvae are generally saprophagous and live in decaying plants, but several are copro-/necrophagous(2); some are commensals of predatory insects, riding on them and feeding on exudates of the victims; often attend predators with Stink Bug prey
Life Cycle
larval stage generally lasts 2–3 weeks
may be common in open areas
Internet References