The correct option is
A Natural insecticide
Bioinsecticide is the agent that used to control the growth of wanted weeds. Rotenone is odorless, colorless, crystalline isoflavone. It is used as a bioinsecticide and biopesticide. It is naturally present in seeds and stem of many plants like jicama vine plant. It is harmful to homothermal animal and obtained from Denis elliptic.
Praying mantis and Tiger beetle are also bioinsecticides falls on predator subcategory. Hence, the correct answer is option A.