คำอธิบายPhilbhu P9020127 Knopper Gall - Andricus quercuscalicis.jpg
English: Insect GALLS are the highly distinctive plant structures formed by some herbivorous insects as their own microhabitats. They are plant tissue which is controlled by the insect. Galls act as both the habitat and food source for the maker of the gall. The interior of a gall can contain edible nutritious starch and other tissues (Wikipedia:galls)