The phrase "beetle off" is not a phrase used in written English.
If you mean for the phrase to mean "to leave quickly", you could use "bolt off". Example: When the teacher looked up, Jack bolted off to avoid getting in trouble.
Picking the adult beetles off is laborious so the RHS recommends giving the plants a good shake.
I remember my father handling it with aplomb, he beetled off to the chemist and came back with about four boxes of tampons in various sizes.
Andrea beetled off without taking any questions – "I'd love to, but I've got a bit of work to do on my CV" – to take her place alongside Theresa Villiers at the head of a 200-yard march on parliament with her supporters.
To pick the squishy potato beetles off the big sticky eggplant leaves.
The defeated beetle scuttles off -- presumably to attend to the urgent business of procreation -- and the old man continues on his walk.
HONG KONG — Almost a year ago, the Turanor PlanetSolar, a sleek catamaran that bears a resemblance to a giant water beetle, set off from Monaco on a voyage around the globe.
Last year, in the New York Times, George L. Zimmermann, a forest ecologist at Richard Stockton College of New Jersey, sounded a dire alarm: "If the beetle takes off, you could be talking not tens of thousands of [affected] acres, but a hundred thousand or more".
When they placed the beetles on a smooth patch of bark however, all of the beetles fell off in less than one minute.
(The cabin was built, it so happens, from beetle-kill spruce, a form of lumber that is more available these days than before the beetles knocked off so many trees).
Predictably, the female beetles come off worse out of this whole thing: it only requires a couple of sessions to fertilise all their eggs.
