Three-Lined Potato Beetle vs Formosan Rosalia

Side-by-side species comparison

Attribute Three-Lined Potato Beetle Formosan Rosalia
Scientific Name Lema daturaphila Rosalia formosa
Order Coleoptera Coleoptera
Family Chrysomelidae Cerambycidae
Size 6-7 mm 20-35 mm
Habitat Farmland Forests
Diet Herbivores Sap Feeders
Regions North America Taiwan
Conservation Least Concern Near Threatened

Three-Lined Potato Beetle

A yellow-orange leaf beetle with three black stripes, resembling a smaller Colorado potato beetle. It feeds on tomatillos, ground cherries, and related plants.

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Did You Know?

Like cereal leaf beetle larvae, its larvae pile their own excrement on their backs as a defensive shield.

Formosan Rosalia

A stunning cerambycid endemic to Taiwan with turquoise-blue elytra and black markings. It inhabits montane hardwood forests at elevations above 1000 meters. It is highly prized by collectors and rarely encountered in the wild.

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Did You Know?

This species appears on a Taiwanese postage stamp issued in 2010, highlighting its cultural significance.