An insect whose economic importance is both harmful and beneficial is the? by Sunday | Sep 11 | Biology JAMB | 0 comments A. Tsetsefly B. Blackfly C. Mosquito D. Butterfly Correct Answer: Option D – Butterfly Users Also Read These:The body which ensures that consumers are protected…Which of the following substances cannot control the…The process of inhibiting harmful bacteria from…The insects whose activities are both beneficial and…The real harmful effect of the release of…