Apystomyiidae is a small family of flies containing the living genus Apystomyia and the extinct genera Apystomimus and Hilarimorphites. The single living Apystomyiidae species, Apystomyia elinguis, is native to California. Species of Hilarimorphites have been described from Mid to late Cretaceous Burmese and New Jersey ambers, while the single Apystomimus species is from the Late Jurassic of Kazakhstan.

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