BLACK ROCK CITY, Nevada (CBS SF) — Burning Man is crawling with bugs this year, and organizers don’t know why.

The festival can be hard to get into, with tickets going for hundreds of dollars, if you can find one.  But, the creepy crawling insects of different shapes and sizes didn’t have to wait in line, or pay for tickets.

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Champagne Lounge tweeted a picture of green beetle-shaped bugs swarming a truck tire.

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Eric Scott Johnson joked that the bugs had been displaced by San Francisco’s housing crisis.

The Burning Man Blog update published Tuesday addresses the bug problem.  “You may have seen the bug rumors on the internet.  We are here to tell you that they are all true.  Well maybe not all of the rumors, but the bugs are real. They’re everywhere.  They bite.  They crawl all over you.  They get up and in you.”

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At least two people required medical attention due to the infestation.