Whitish nymphs of greenhouse thrips, Heliothrips haemorrhoidalis, and black and yellow adult (center right) and black pupae of a parasitic wasp Thripoctenus (=Thripobius) semiluteus.

Healthy and parasitized nymphs with adult and pupae of Thripobius semiluteus; Botany greenhouse, UC Davis Credit: Jack Kelly Clark
Whitish nymphs of greenhouse thrips, Heliothrips haemorrhoidalis, and black and yellow adult (center right) and black pupae of a parasitic wasp Thripoctenus (=Thripobius) semiluteus. Credit: Jack Kelly Clark