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:Which of the following agricultural activities has…When both ovaries of the human female ovulate…Which of the following farm practices does not have…The real harmful effect of the release of…The insects whose activities are both beneficial and…