Belongs within: Schizophora. The Periscelididae are a group of small to medium-sized flies with a swollen, caplike pedicel at the base of the antenna. Larvae of Periscelis are associated with sap bleeding from deciduous trees such as oaks or poplars (Mathis & Rung 2010). Characters (from McAlpine 1987): Small drosophilid-like flies, 3–4 mm long, dull… Continue reading Periscelididae