Sawfly galls on a willow leaf.

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Size: 2592px × 3888px
Photo credit: © Tracy Hebden / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: abnormal, ball, balls, bean, biology, botany, bug, bump, disease, egg, eggs, evolution, gall, galls, growth, host, hymenoptera, insect, larva, larvae, leaf, life, lump, natural, nature, organism, parasite, parasitic, pest, sawflies, sawfly, science, species, structure, symphyta, tumour, willow