I'd be slightly worried about using pest strip with gravid fem.
If you want to try pest strip cut it into half inch by half inch pieces.
Then put it(pest strip chunk) in a small container with holes in the container.
For instance pill bottle with holes drilled in it.Put that pill bottle with small chunk pest strip in it into cage.
I personally would take the Boas out clean cage .
Treat cage with either 0.50% permethrin type product or....

Even better and less toxic would be to Just use Cow & Pig Ivermectin formula - mix 1cc Ivermectin with 1 quart of water
Then spray on snake ,the snake bedding everything.
Turns out this is an extremely effective treatment with very low
toxicity making this probably the safest option in my opinion.

Also below is a Link to different forum discussion on mite treatments.
If you want extensive info about mites this thread contains alot of info Links.
. . . . . Lar M
Mites


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Boas By Klevitz
Boas By Klevitz

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