Proceratium Ant vs Rock Ant

Side-by-side species comparison

Attribute Proceratium Ant Rock Ant
Scientific Name Proceratium silaceum Temnothorax rugatulus
Order Hymenoptera Hymenoptera
Family Formicidae Formicidae
Size 2.5-3.5 mm 2-3 mm
Habitat Woodlands Mountains
Diet Detritivores Omnivores
Regions Eastern North America Western United States, Mexico
Conservation Least Concern Least Concern

Proceratium Ant

A small brownish ant with a distinctly rounded abdomen curving forward under its body. It is a specialist predator of spider eggs living in deep leaf litter.

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Did You Know?

Workers carry spider egg sacs back to the nest, where the colony feeds exclusively on this unusual food source.

Rock Ant

A tiny dark ant that nests in rock crevices at high elevations in western North America. Colonies contain about 200 workers and exhibit collective decision-making. Workers are dark brown with rugose sculpture on the body.

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Did You Know?

Studies showed that about 40% of workers in a colony are consistently inactive, serving as a reserve labor force.