Large Larch Sawfly vs Slave-Maker Ant

Side-by-side species comparison

Attribute Large Larch Sawfly Slave-Maker Ant
Scientific Name Nematus erichsonii Temnothorax americanus
Order Hymenoptera Hymenoptera
Family Tenthredinidae Formicidae
Size 8-10 mm (adult) 2-3 mm
Habitat Forests Farmland
Diet Omnivores Omnivores
Regions Europe Eastern North America
Conservation Not Evaluated Least Concern

Large Larch Sawfly

A gregarious defoliator of larch in European forests. Larvae feed in groups and can rapidly strip branches of needles.

💡

Did You Know?

Defoliated larch trees produce a second flush of needles but suffer significant growth reduction.

Slave-Maker Ant

A tiny North American slave-making ant that raids colonies of closely related Temnothorax species. Workers have saber-like mandibles used in raids. Enslaved workers eventually perform all domestic tasks while raiders focus solely on conducting new raids.

💡

Did You Know?

Enslaved Temnothorax workers sometimes rebel by destroying the slave-maker brood they are supposed to rear, reducing the raiding colony's future workforce.