Thatching Ant vs Saw-toothed Grain Beetle

Side-by-side species comparison

Attribute Thatching Ant Saw-toothed Grain Beetle
Scientific Name Formica obscuripes Oryzaephilus surinamensis
Order Hymenoptera Coleoptera
Family Formicidae Silvanidae
Size 4-8 mm 2.5-3.5 mm
Habitat Meadows Gardens
Diet Seed Feeders Seed Feeders
Regions Western North America Worldwide
Conservation Least Concern Not Evaluated

Thatching Ant

A mound-building ant of western North America that constructs large thatched nests from plant debris. Workers are bicolored red and black with powerful mandibles.

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Did You Know?

Their mounds can reach over a meter tall and persist for decades, becoming important microhabitats for other organisms.

Saw-toothed Grain Beetle

A slender brown beetle with six tooth-like projections on each side of the thorax. It is a cosmopolitan pest of processed grain products and dried foods.

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Did You Know?

Its flat body allows it to squeeze through incredibly narrow gaps in food packaging.