Polar Willow Gall Sawfly vs Texas Leafcutter Ant

Side-by-side species comparison

Attribute Polar Willow Gall Sawfly Texas Leafcutter Ant
Scientific Name Euura arcticum Atta texana
Order Hymenoptera Hymenoptera
Family Tenthredinidae Formicidae
Size 3-5 mm 1.5-12 mm
Habitat Tundra & Arctic Deserts & Drylands
Diet Gall Makers Fungus Feeders
Regions Arctic Canada, Alaska, Greenland, Arctic Scandinavia, Svalbard Southern United States, Northern Mexico
Conservation Least Concern Not Evaluated

Polar Willow Gall Sawfly

A tiny sawfly that induces galls on Arctic willow stems by injecting chemicals during egg-laying. The larva develops safely inside the swollen plant tissue. Adults are small and dark with clear wings.

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Did You Know?

The gall provides the larva with both food and insulation, maintaining temperatures several degrees warmer than the outside air.

Texas Leafcutter Ant

The northernmost leafcutter ant species, found in the southern United States. Nests can extend 6 meters deep and cover large underground areas.

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Did You Know?

Their underground nests can contain over 1,000 individual chambers connected by an intricate tunnel network.