Janus compressus (Fabricius, 1793)
pear cephid, pear shoot sawfly
on woody Rosaceae
parasite
The larvae live as shoot borers.
host plants
Rosaceae, oligophagous
Crataegus; Malus; Pyrus communis; Sorbus aria.
distribution within Europe
references
Burggraaf-van Nierop & van Achterberg (1990a), Haris (2012a), Pschorn-Walcher & Altenhofer (2000a), Savina, Chevin & Liston (2014a), Schwarz (1999a), Taeger, Altenhofer, Blank, ao (1998a).