Sap-flies
Guides
Aulacigaster mcalpinei
Aulacigaster mcalpinei is a small fly species in the family Aulacigastridae, described by Mathis and Freidberg in 1994. The genus Aulacigaster comprises flies associated with sap flows and wounded trees. Aulacigastridae is a small family of acalyptrate Diptera with limited documented natural history.
Aulacigastridae
Sap Flies
Aulacigastridae is a small family of true flies (Diptera) commonly known as sap flies. The family was redefined in 1984 when Stenomicridae was separated from it. Members are found globally across all ecoregions. Both larvae and adults have specialized feeding habits associated with tree sap and fermenting substances.