Ponderosa Pine Bark Borer vs Primitive Silverfish

Side-by-side species comparison

Attribute Ponderosa Pine Bark Borer Primitive Silverfish
Scientific Name Acanthocinus princeps Tricholepidion gertschi
Order Coleoptera Zygentoma
Family Cerambycidae Lepidotrichidae
Size 14-23mm 8-12 mm
Habitat Forests Forests
Diet Wood Feeders Wood Feeders
Regions North America United States
Conservation Least Concern Near Threatened

Ponderosa Pine Bark Borer

A grey-brown longhorn beetle with extremely long antennae that can be four times its body length. Males antennae are longer than females.

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Did You Know?

Its antennae are among the longest relative to body size of any beetle and are used to detect female pheromones.

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.