Razor Grinder Cicada vs South American Tortoise Beetle

Side-by-side species comparison

Attribute Razor Grinder Cicada South American Tortoise Beetle
Scientific Name Henicopsaltria eydouxii Stolas coalita
Order Hemiptera Coleoptera
Family Cicadidae Chrysomelidae
Size 35-50 mm 10-14 mm
Habitat Forests Forests
Diet Sap Feeders Herbivores
Regions Australia, Oceania South America
Conservation Least Concern Least Concern

Razor Grinder Cicada

A large cicada known for its distinctive high-pitched grinding call that sounds like metal being sharpened on a grindstone. It is common in the eucalyptus forests of southeastern Australia.

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Did You Know?

Its call is so loud and persistent that it can make conversation difficult for people standing near a calling tree.

South American Tortoise Beetle

A moderately large tortoise beetle with a distinctive pattern of dark markings on a lighter background, with broadly expanded elytral margins. Found in tropical South American forests.

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Did You Know?

The broadly expanded margins of its shell-like body can be pressed flat against a leaf surface, creating a sealed edge that is nearly impossible for predators to breach.