Triplaris Ant vs Thistle Gall Wasp

Side-by-side species comparison

Attribute Triplaris Ant Thistle Gall Wasp
Scientific Name Pseudomyrmex triplarinus Isocolus scabiosae
Order Hymenoptera Hymenoptera
Family Formicidae Cynipidae
Size 4-7 mm 1.5-2.5 mm
Habitat Rivers & Streams Meadows
Diet Omnivores Gall Makers
Regions South America, Amazon Basin Europe, Western Asia
Conservation Least Concern Least Concern

Triplaris Ant

A South American ant that inhabits the hollow stems of Triplaris trees in a mutualistic relationship. Workers swarm out and deliver painful stings when the host tree is disturbed.

💡

Did You Know?

Local people call Triplaris the 'devil tree' because touching it triggers an immediate attack by hundreds of stinging ants.

Thistle Gall Wasp

A minute gall-inducing wasp that forms swellings on knapweed flower heads. It has been studied as a potential biocontrol agent for invasive knapweeds.

💡

Did You Know?

A single flower head can contain dozens of tiny gall chambers, each housing one larva.