Online retailers are offering rare, endangered bugs

When a rare species is a product.

Alive or dead, rare or mundane, bugs are weirdly easy to find for sale online. However, in some cases, the insects or spiders sold through the various e-commerce sites, both niche and large-scale, may be of dubious provenance. Some may be bred and reared in sustainable programs. Others might be taken from wild populations that are at risk, according to new research out of Cornell University that was published last week.

It's not always clear... if they're sustainable or not," John Losey, a Cornell entomology professor and one of the paper's authors, told Ars. There are sites out there that are definitely not providing documentation that what they're selling is being done sustainably."

According to Losey, some websites will provide no documentation or proof showing that a rare pinned butterfly specimen or pet tarantula was collected in a way that doesn't pose a risk for wild populations. Some of them could very well have been reared in a sustainable program, Losey said-there's just no way to tell.

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