Swaine Jack Pine Sawfly vs Lesser Leaf-Cutter Ant

Side-by-side species comparison

Attribute Swaine Jack Pine Sawfly Lesser Leaf-Cutter Ant
Scientific Name Neodiprion swainei Acromyrmex octospinosus
Order Hymenoptera Hymenoptera
Family Diprionidae Formicidae
Size 6-9 mm 2-10 mm
Habitat Forests Farmland
Diet Omnivores Fungus Feeders
Regions Eastern Canada, northeastern United States Central America, Caribbean, northern South America, Brazil
Conservation Least Concern Least Concern

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.

Lesser Leaf-Cutter Ant

A smaller leaf-cutter ant species covered in spiny tubercles on its body. It forms more modest colonies than Atta but is equally dependent on fungal agriculture.

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Did You Know?

Workers produce antibiotic compounds from bacteria on their bodies to protect their fungal gardens from parasitic molds.