Parasitized pupae of greenhouse whitefly, Trialeurodes vaporariorum, commercially produced and being hung from poinsettia to release Encarsia formosa for biological control in a greenhouse.
Parasitized pupae of greenhouse whitefly, Trialeurodes vaporariorum, commercially produced and being hung from poinsettia to release Encarsia formosa for biological control in a greenhouse. Credit: Jack Kelly Clark
