Due to their large size, what minimum gap size is generally required for an American cockroach to move freely into wall voids?

Answer

At least one-quarter inch or more

The American cockroach's size necessitates openings of at least one-quarter inch or greater to allow them to move into spaces like wall voids or beneath baseboards.

Due to their large size, what minimum gap size is generally required for an American cockroach to move freely into wall voids?
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