The mode of feeding in caterpillars is
Nibbling
Nibbling is the process of eating something by taking many small bites. This mode of feeding is mainly seen in insects that feed on leaves like caterpillars, silkworms etc. Hummingbird, mosquito, butterfly etc feed by sucking. Scrapping is done by ants. Brewing is the mode of feeding in housefly. Given below is the image of a caterpillar nibbling a leaf.