The decline in total occupied forest may not equate to an overall loss in butterfly numbers, but scientists are still concerned that their populations are suffering.

This caterpillar secretes acid to get past the defenses of the plant on which it preys.

Nessus sphinx hawkmoth larvae make alarm calls using mechanics similar to rocket engines. 

In a case of acoustic deception, caterpillars mimic bird alarm calls to defend themselves.

Herbivores may take to omnivory and eat conspecifics when the plants they feed on produce unsavory protective chemicals.

How Ebola hides from immune cells; gut microbes’ role in immunotherapy response; new mechanisms of hearing loss; butterflies use milkweed toxins to ward off predators

Monarch and queen caterpillars store toxic compounds from their milkweed diet to ward off predators into adulthood, a new study suggests.

A round-up of recent discoveries in behavior research

Tobacco hornworms release puffs of nicotine that deter some predators.

Plants’ circadian clocks help them gear for attack by herbivores.