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 farm practices does not have…When both ovaries of the human female ovulate…The real harmful effect of the release of…The resemblance of a palatable insect to a poisonous…The process of inhibiting harmful bacteria from…