Bombardier Beetle Sprays Acid From Its Rear | Life | BBC Earth

Summary by Krater

This video examines how different insects use chemical defenses, such as formic acid and boiling caustic liquid, to deter predators like ants, mongooses, and birds.

From the video

Answers: How do insects use chemical weapons to defend themselves against predators?

• insect chemical defenses
• bombardier beetle defense mechanism
• spider-hunting beetle and ant interactions
• defensive mimicry in lizards
• chemical warfare in nature

What it concludes

• Eating ants gives the Oochpista beetle formic acid which it uses to defend itself against predators like mongooses.
• A defenseless lizard mimics the Oochpista beetle's black and white warning pattern and running style to fool predators.
• Devil rider stick insects release bitter-tasting oils and terpenes to repel predators.
• European wood ants spray formic acid, similar to how birds experience stings from nettles.
• The bombardier beetle deters attackers by pulsing a caustic liquid jet 500 times a second to prevent cooking itself.