Ephydridae
Hydrochasma aquia Mathis & Zatwarnicki, 2010
Hydrochasma buccatum (Cresson, 1930)
Hydrochasma ceraceps (Cresson, 1938)
Hydrochasma faciale (Williston, 1896)
Hydrochasma facialis (Williston, 1896)
Hydrochasma garvinorum Mathis & Zatwarnicki, 2010
Hydrochasma incisum (Coquillett, 1902)
Hydrochasma leucoproctum (Loew, 1861)
Hydrochasma patens Cresson, 1938
