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Possibly. They eat ticks which are arachnids.
https://www.atshq.org/what-do-possums-eat/
> They Eliminate Ticks

> According to statistics by the National Wildlife Federation, one possum can potentially kill 4000 ticks in a week. This is due to their vigorous self-grooming methods.

> They either crash or consume the ticks burrowing in their fur. They are not susceptible to Lyme disease and can therefore protect humans from the same. This makes them a suitable pet to keep.

Now I want to keep possums. Ticks are a bane.