Primitive Silverfish vs Termite-Nest Silverfish

Side-by-side species comparison

Attribute Primitive Silverfish Termite-Nest Silverfish
Scientific Name Tricholepidion gertschi Atelura formicaria
Order Zygentoma Zygentoma
Family Lepidotrichidae Nicoletiidae
Size 8-12 mm 4-6 mm
Habitat Forests Woodlands
Diet Wood Feeders Detritivores
Regions United States Europe
Conservation Near Threatened Least Concern

Primitive Silverfish

The most primitive living silverfish, restricted to old-growth forests of northern California. It retains compound eyes and other ancestral features.

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Did You Know?

It is considered a living fossil and the sole surviving member of its family.

Termite-Nest Silverfish

A small, blind, unpigmented silverfish that lives exclusively inside ant nests. It has evolved chemical mimicry to avoid detection and is tolerated by its ant hosts.

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Did You Know?

This silverfish steals food directly from the mouths of ants by mimicking the chemical signals ants use to request food sharing.