Regen began to study insects in great detail.

Though I am pleased to say that he actually wanted to study insects - which is a definite clue.

His primary focus was botany but he also studied insects and molluscs.

A naturalist from his youth he studied insects and birds.

He was watching us like someone studying insects, but his face was only a mask.

(Anyone who thinks they study insects is ordered to stop right here.)

In other places they study insects that eat blueberries or corn.

For over 100 years," he said, "we've been studying insects and we still don't know how they walk.

Merian was invited to visit, giving her the chance to study insects and plants that few other naturalists had ever seen.

His conclusions were drawn from studying male insects with great horns, mandibles, etc.