Other Common Names
Picture-Winged Flies (not recommended, as that name more commonly refers to Ulidiidae
Explanation of Names
Platystomatidae Schiner 1862
Signal Flies: wings are in almost constant motion, as though giving signals
41 spp. in 4 genera in our area, of which 34 Rivellia
; >1,160 spp. in ~130 genera total(2)
can be separated from the similar Ulidiidae [=Otitidae] and Tephritidae by wing venation(3)
Worldwide, most common in the tropics
Occur mostly in fields, some in woodlands.
Adults found on tree trunks and foliage; attracted to flowers, decaying fruit, excrement, sweat, and decomposing snails. Larvae found on fresh and decaying vegetation, carrion, human corpses, and root nodules.
phytophagous or saprophagous; some are predators of other insects
Known larvae found on decaying vegetation(1)