e course

STORED GRAIN :: PRIMARY STORAGE PEST :: INTERNAL FEEDERS :: SWEET POTATO WEEVIL

 


 

8. Sweet potato weevil: Cylas formicarius (Apionidae: Coleoptera)
Bionomics :   Whitish apodous with brown head. Adult is slender ant like with a long snout and shiny black with reddish brown thorax and legs. Grubs and adults bore into the tubers and make them unfit for consumption. Damage occurs both in field and storage