Mealy bug is a major pest of? by Sunday | Jun 12 | Agricultural Science WAEC | 0 comments A. citrus B. cassava C. maize D. oil palm Correct Answer: Option B – cassava Users Also Read These:Predators are beneficial in pest control because they?CRP 312 Theory Questions: Pest Development Factors…An example of a piercing and sucking insect-pest of…The pest designated as a national pest by the…Which of the following is not a pest of crops?