Publications for:

pest = Phyllocolpa (genus)
crop = Willow (Salix)

found 2 publications:

2009

Taxonomic review and key to European Ichneumon flies (Hymenoptera, Ichneumonidae), parasitoids of gall-forming sawflies of the genera Pontania Costa, Phyllocolpa Benson, and Euura Newman (Hymenoptera, Tenthredinidae) on willows: Part I
Entomological Review (2009) 89 (8), 933-957
publishers website - pestinfo wiki

2006

Willow leaf traits affecting host use by the leaf-gall-forming sawfly
Population Ecology (2006) 48 (4), 363-371
publishers website - pestinfo wiki