Corsican Seed-Harvesting Ant vs Swaine Jack Pine Sawfly

Side-by-side species comparison

Attribute Corsican Seed-Harvesting Ant Swaine Jack Pine Sawfly
Scientific Name Messor wasmanni Neodiprion swainei
Order Hymenoptera Hymenoptera
Family Formicidae Diprionidae
Size 4-11 mm 6-9 mm
Habitat Heathland Forests
Diet Seed Feeders Omnivores
Regions Western Mediterranean (Spain, France, Corsica, North Africa) Eastern Canada, northeastern United States
Conservation Least Concern Least Concern

Corsican Seed-Harvesting Ant

A large dark harvester ant found in the western Mediterranean region. Major workers have broad heads for seed processing. Colonies build extensive granaries deep underground for storing seeds through the hot dry summer.

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Did You Know?

They sun-dry moistened seeds at the nest entrance on warm days to prevent germination and fungal growth in their underground granaries.

Swaine Jack Pine Sawfly

A pine sawfly with strongly pectinate male antennae and sawfly females that are stouter and paler. Larvae are olive green with lighter stripes and feed on jack pine.

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Did You Know?

Major outbreaks have historically defoliated millions of hectares of jack pine in Quebec, though populations crash when viral diseases sweep through colonies.