Insect gall on a hawthorn plant (Crataegus sp.). The distorted shoot growth was caused by the hawthorn button top midge (Dasineura crataegi). A gall i

---

Insect gall on a hawthorn plant (Crataegus sp.). The distorted shoot growth was caused by the hawthorn button top midge (Dasineura crataegi). A gall is an abnormal swelling formed on a plant due to attack by a parasite.

---

Size: 4032px × 5400px
Photo credit: © GEOFF KIDD/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: evergreen, flower, flowering, flowers, foliage, leaf, leaves, olearia, oleifolia, shrub, shrubs, summer, waikariensis, white, â‘waikariensisâ