A Weevil is a flightless beetle with a snout like mouth part. Weevils are asexual which means they do not need a mate to reproduce. Black Vine Weevils will spend winter as an adult in any kind of leaf litter, mulch or thatch.
In an attempt to save money, some people will use a liquid dish-washing detergent in place of a commercially manufactured surfactant. We do not recommend it, and here are the reasons why.