Insects considered helpful to the farmer or gardener because they aid pollination (bees, butterflies) or help control harmful insects (lady beetles, dragonflies).
an insect that preys on insects which damage crops and thereby helps to control them.
any insect that has a life style that is advantageous to man. Insects that preserve the balance of nature by feeding on others, pollinators, and recyclers are examples of beneficial insects.
A good insect that eats bad flower and vegetable-munching insects.