Greenhouse whitefly, Trialeurodes vaporariorum, pupa blackened from parasitization by the wasp Encarsia formosa. An unparasitized pupa (right) and empty pupal case from which an adult whitefly emerged as evidenced by the irregular slit.

Pupae on leaf parasitized by Encarsia formosa (Encyrtidae),  UCD Arboretum greenhouse (6x) Credit: Jack Kelly Clark
Credit: Jack Kelly Clark