CALIFORNIA (CBS) – It’s tax season, and thieves are keeping an eye on your mailbox – to steal your tax refund check.

But thieves got more than they bargained for, at one California home. That’s because they stole a package full of 500 cockroaches from a mailbox belonging to Rosalinda Vizina.

READ MORE: Philadelphia Judge Hears Arguments In Mysterious Fatal Stabbing Case of Ellen Greenberg

Prince Harry, Meghan Markle Unveil More Details On Royal Wedding 

She’s an Entomologist studying the insects.

Vizina says she doesn’t care about the lawbreakers, she’s concerned about her cockroaches.

READ MORE: School Bus Involved In Crash In Pittsgrove, Salem County

“This particular time I ordered cockroaches,” said Vizina. “I feel a little bad for the roaches if they got smashed and tossed… but for the thieves I hope they went everywhere.”

Trump To Unveil Infrastructure Plan

Authorities say mailbox theft happens more often this time of the year because of tax returns.

MORE NEWS: Fourth Stimulus Check: Is Another Relief Payment Coming Soon?

They warn you to watch out, unless you’ve got a package full of cockroaches in your mailbox.