Weevil (noun)

1. Any of various small beetles that are destructive to grain, fruit, or other crops.
2. A small beetle that feeds on plants, typically having a long snout and feeding on the buds, flowers, or leaves.

Origin:

Middle english wevel, from old english wifel; akin to old high german wibil weevil.

Examples:

1. The farmer found weevils in his wheat crop and had to destroy it.
2. The weevil infestation caused the apple trees to bear small and deformed fruit.
3. The scientist studied the behavior of the weevil in its natural habitat.
4. The gardener sprayed pesticide to get rid of the weevils on his roses.
5. The weevil is a small but destructive pest in agricultural fields.