Zeddies, J.; Schaab, R.P.; Neuenschwander, P.; Herren, H.R. - In: Agricultural Economics of Agricultural Economists 24 (2001) 2
Pest populations of the cassava mealybug Phenacoccus manihoti Mat.-Ferr. (Homoptera: Pseudococcidae) were reduced successfully by the biological control agent Apoanagyrus (Epidinocarsis) lopezi De Santis (Hymenoptera: Encyrtidae) throughout most of sub-Saharan Africa. The economics of the...