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The 'Ant' That's Actually a Wasp!
23 Jul
Summary
- Velvet ants are wasps, not ants, with fuzzy bodies and bright warning colors.
- Their exoskeletons contain metals like iron for extreme toughness.
- They possess a painful sting, squeak, and release alarm scents when threatened.
Velvet ants, despite their name, are wasps belonging to the Mutillidae family, renowned for their extreme resilience. These wingless females, characterized by their fuzzy appearance and vibrant coloration, possess a remarkable array of defenses against predators.
Their exoskeletons are exceptionally strong, reportedly requiring eleven times more force to crush than a honeybee's, due to metal reinforcement including iron. This, coupled with a rounded body shape, causes attacks to glance off. Furthermore, they are equipped with a powerful, painful sting and exhibit aposematic coloration—bright patterns serving as a warning to potential threats.
When distressed, velvet ants emit an audible squeak and release an alarm secretion, combining auditory and chemosensory signals to deter aggressors. Studies indicate that most predators avoid them; in one experiment, only one out of 100 observed interactions resulted in an ant being eaten, and even then, it was later regurgitated. Birds and lizards showed caution, while American toads, though they could swallow one, exhibited distress and learned to avoid them subsequently.
