Palmetto Tortoise Beetle vs Cottonwood Borer

Side-by-side species comparison

Attribute Palmetto Tortoise Beetle Cottonwood Borer
Scientific Name Hemisphaerota cyanea Plectrodera scalator
Order Coleoptera Coleoptera
Family Chrysomelidae Cerambycidae
Size 8-10 mm 25-40 mm
Habitat Beaches & Coastal Rivers & Streams
Diet Herbivores Root Feeders
Regions Southeastern United States Central and eastern United States
Conservation Least Concern Least Concern

Palmetto Tortoise Beetle

A round, blue-black tortoise beetle found on palm fronds in the southeastern United States. It can grip surfaces with extraordinary tenacity.

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Did You Know?

It uses thousands of microscopic oil-secreting bristles on its feet to create adhesion forces 60 times its own body weight.

Cottonwood Borer

A large longhorn beetle with bold black and white patterning and long antennae. Its larvae bore into the roots and lower trunks of cottonwood and willow trees.

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Did You Know?

When handled, it produces a loud squeaking sound by rubbing parts of its thorax together.