Primitive Silverfish vs Brown-and-yellow Fruit Chafer

Side-by-side species comparison

Attribute Primitive Silverfish Brown-and-yellow Fruit Chafer
Scientific Name Tricholepidion gertschi Pachnoda marginata
Order Zygentoma Coleoptera
Family Lepidotrichidae Scarabaeidae
Size 8-12 mm 20-28 mm
Habitat Forests Forests
Diet Wood Feeders Sap Feeders
Regions United States West Africa, Central Africa
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.

Brown-and-yellow Fruit Chafer

A colorful chafer beetle with bright yellow margins on dark brown elytra. It is commonly kept in captivity and bred as a feeder insect.

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Did You Know?

Their larvae are widely used as food for pet reptiles and are easy to breed in captivity.