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Related to Eristalis: Eristalis tenax
A genus of flies belonging to the family Syrphidae. The larva of the species E. tenax, called the rat-tailed maggot, may cause intestinal myiasis in humans. See: myiasis
a genus of flies in the family Syrphidae whose maggots breed in drains. Called filth flies, rat-tailed maggots.