@INPROCEEDINGS {TINDO:2002, title = {Non food crop pest of the African root and tuber scale, Sctictococcus vayssierei (Homoptera: Sictococcidae)}, author = {Tindo, M. and Hanna, R. and Goergen, G. and Zapfack, L. *}, booktitle = {Proceedings}, year = {2002}, location = {Ibadan, Nigeria}, note = {Proceedings of the 8th Triennial Symposium of the International Society for Tropical root Crops-Africa Branch (ISTRC-AB), 12-16 November}, }