Yes Frogs prey on a large number of field pests, which is beneficial to human beings. A frog can catch more than 70 insects all day long, and can catch more than 15000 insects in July and August of a year. Moreover, frogs will catch many pests harmful to crops and fruit trees, such as fruit borers, locusts, stem borers, rice planthoppers, floating dust, weevils, longicorn beetles, crickets and so on. Therefore, frog is an animal that is beneficial to agriculture.