条件筛选
-
Are fireflies, earthworms and scarabs beneficial insects or pests?
Insects are the most diverse and numerous group in the animal kingdom, and common ones include fireflies, earthworms, termites, scarabs and so on. So are these insects beneficial insects or pests? Beneficial insects and pests are two kinds of insects with completely opposite significance to humans: one is of considerable help to humans, while the other does considerable harm to humans.