Hawk moths are known for being some of the largest night fliers in the insect world. With wingspans of more than four inches, many species are big enough to comfortably fill the palm of your hand.

If you walk through a field of fireweed, you might see spittle bugs, aphids and — if you are lucky — a hawk moth. They hover at flowers on their rather narrow wings, extending their “tongues” to ...

Just as when we humans reach for objects, the hummingbird hawk moth uses its visual sense to place its long proboscis precisely on a flower to search for nectar, according to biologists. This is why ...