Origin: East Asia

First finding in Slovenia: 2011

Pathways: hitchiker, secondary sprontanuous spreading

Possible to identify: May-September

Flight time of adults: May-September

Habitat: Larvae feeds on Elm leaves (Ulmus spp.) in forests, ruderal areas and communal green areas. 

Status in Slovenia: Uncommon, but spread throughout Slovenia.    

Similar species: Several sawfly species of the genera Pseudaprosthema, Pseudarge, Kokujewia, Aprosthema. Zigzag elm sawflies can best be distinguished on the characteristic damage which larvae cause on Elm leaves. 

Source: Terenski priročnik za prepoznavanje tujerodnih vrst v gozdovih (Fieldguide for the identification of alien species in forests)

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