Kamloops hiker finds creepy looking beetle with powerful defence mechanism | iNFOnews | Thompson-Okanagan's News Source
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Kamloops hiker finds creepy looking beetle with powerful defence mechanism

This American oil beetle was spotted at Kenna Cartwright Park in Kamloops.
Image Credit: SUBMITTED/ Kevin Scherrer

It's getting warmer in Kamloops and the Okanagan and that means more opportunities to see interesting, and sometimes creepy, insects.

Kamloops resident Kevin Scherrer was walking in a local park last week when a surprisingly large, crawling bug caught his eye.

“It was definitely big, one inch for sure, if not slightly larger,” he said. “At first I thought it was a giant ant." 

Scherrer took photographs of the unique American oil beetle before continuing on, and it's a good thing he didn’t touch it. 

Not only does the American oil beetle have an impressive size — it can get up to 1.4 inches long — it has an arguably more impressive defence mechanism when stressed.

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A type of blister beetle, the insects release a fluid that contains a toxin called cantharidin to defend against predators, according to What's That Bug. The chemical is toxic to some insects and vertebrates, and causes swelling, blistering and pain on human skin. Horses that consume hay contaminated with blister beetles can get colic, kidney damage or even die.

Found in grasslands and woodlands throughout the country, the beetles munch on several species of plants and grasses and can cause damage to crops and flowers. The beetle can also damage bee populations as the larvae attach to male bees and ride to the hives where they eat bee eggs and pollen before pupating into adults. 

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The American oil beetle has an elongated, narrow body, short wings and overlapping plates on its abdomen, and can't fly.

If you find the beetles munching on your garden plants, be sure to wear protective gloves before picking them up to dispose of them. 


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