Iteomyia salicifolia

Aculops tetanothrix

Rabdophaga rigidae

Rabdophaga salicisbrassicoides

[Fritz et al report a higher prevalence of Iteomyia salicifolia on hybrids between Salix eriocephala and sericea than on either parent species]

[Fritz et al report a higher prevalence of Aculops tetanothrix on Salix eriocephala than on Salix sericea or hybrids of Salix eriocephala and sericea]

[Fritz et al report finding Rabdophaga rigidae on Salix sericea and hybrids with Salix eriocephala but not on eriocephala alone]

[Fritz et al report finding Rabdophaga salicisbrassicoides on hybrids between Salix eriocephala and sericea and on both parent species.]

Interspecific hybridization of plants and resistance to herbivores: hypotheses, genetics, and variable responses in a diverse herbivore community