Ten-lined June Beetle

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Polyphylla decemlineata

Ten-lined June Beetle, a reference photo
Photo: Junkyardsparkle · CC0 (licence)

The ten-lined June beetle (Polyphylla decemlineata), also known as the watermelon beetle, is a scarab beetle found in the western United States and Canada. The adults are attracted to light and feed on foliage, notably mature pine needles. They can make a hissing sound when touched or otherwise disturbed, which can resemble the hissing of a bat. This sound is made by their wings pushing down, forcing the air out between their wings and back. They can be an agricultural pest affecting a wide range of crops because their larvae feed on plant roots and can weaken or kill the plants.

From Wikipedia, under CC BY-SA 4.0.

Is it venomous or poisonous?

We have no record of Ten-lined June Beetle being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera
Family
Scarabaeidae
Species
Polyphylla decemlineata

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