Oscinella frit (Linnaeus, 1758)

frit fly

on grasses


Stem borer; infested parts somewhat swollen. One or more larvae together, bone coloured, maggots, up to 4 mm in size. Pupation internal. Hibernation in an underground runner.


Poaceae, oligophagous

Agrostis capillaris, stolonifera; Alopecurus myosuroides, pratensis; Anisantha sterilis; Anthoxanthum odoratum; Arrhenatherum elatius; Avena fatua, sativa; Deschampsia cespitosa; Elytrigia repens; Festuca rubra; Holcus; Hordeum murinum; Lolium multiflorum, perenne; Ochlopoa annua; Poa pratensis, trivialis; Schedonorus arundinaceus, pratensis; Secale cereale; Trisetum flavescens; Triticum; Zea mays.


Oscinis frit.


More species belong to the genus Oscinella, all with a comparable biology. Without rearing a definite identification is not possible.


Buhr (1964b, 1965a), Houard (1908a), Nartshuk & Andersson (2012a), Roskam (2009a), Spooner & Bowdrey (2012a).

mod 19.vi.2018