Arsenic-munching caterpillars may ingest poison to prevent being

Some caterpillars happily dine on arsenic-loaded leaves. Accumulating the poison in their bodies may be a tactic to ward of predators

Agricultural pesticides – friends or foes to biosphere? - ScienceDirect

Toxic, vomit-inducing caterpillars are invading London

Venomous caterpillars: From inoculation apparatus to venom composition and envenomation - ScienceDirect

References, Arsenic: Medical and Biological Effects of Environmental Pollutants

Brits warned of poisonous caterpillars invading UK causing vomiting & rash

Legacies of lead & arsenic (part 3) - Washington State Department of Ecology

Sucking blood isn't an easy life, even for vampires

Death in the Garden: Poisonous Plants and Their Use Throughout History: Brown, Michael: 9781526708380: : Books

Power of Poison Exhibit Museum of Natural History

Agonopterix alstroemeriana, HEMLOCK MOTH, caterpillar eat…

Full article: Migratory Bogong Moths (Agrotis Infusa) Transport Arsenic and Concentrate It to Lethal Effect by Estivating Gregariously in Alpine Regions of The Snowy Mountains of Australia

Soil Amended with Insect Exoskeleton Is Effective Alternative to Harmful Chemical Fertilizers - Beyond Pesticides Daily News Blog

Eastern Tent Caterpillar: Warm, Fuzzy and Icky - The New York Times

How Poisons Have Shaped Life On Earth

General Mechanisms of Plant Defense and Plant Toxins