South American Leafcutter Ant vs Yellow-legged Aleocharine

Side-by-side species comparison

Attribute South American Leafcutter Ant Yellow-legged Aleocharine
Scientific Name Atta sexdens Aleochara curtula
Order Hymenoptera Coleoptera
Family Formicidae Staphylinidae
Size 2-14 mm (varies by caste) 5-8 mm
Habitat Farmland Farmland
Diet Fungus Feeders Predators
Regions South America (Brazil, Argentina, Paraguay, Uruguay, Bolivia) Europe, Asia
Conservation Least Concern Least Concern

South American Leafcutter Ant

One of the most widespread leafcutter ant species in South America, recognized by the three pairs of spines on its thorax which give it its species name. Colonies can contain up to eight million workers organized into a complex caste system. It is considered one of the most significant agricultural pests in tropical South America.

💡

Did You Know?

Queens can live for over 15 years and produce more than 150 million offspring in their lifetime.

Yellow-legged Aleocharine

A medium-sized aleocharine rove beetle whose larvae are parasitoids of fly pupae, a rare strategy among beetles. Adults are predators at carrion and dung where they also lay eggs.

💡

Did You Know?

The larva enters a fly pupa, consumes the developing fly inside, and completes its own metamorphosis within the empty puparium.