Parasitized pupae of greenhouse whitefly, <i>Trialeurodes vaporariorum.</i> Through the cuticle (covering) is visible a pupa (top), older larva (bottom right), and yellow pellets of frass (feces) and emergence hole of <i>Encarsia pergandiella.</i>.
Parasitized pupae of greenhouse whitefly, Trialeurodes vaporariorum. Through the cuticle (covering) is visible a pupa (top), older larva (bottom right), and yellow pellets of frass (feces) and emergence hole of Encarsia pergandiella..
Credit: Jack Kelly Clark