Distribution

Encarsia formosa is so widely distributed that its native range is unknown. It has a cosmopolitan distribution, and survives in greenhouses in countries where it would not normally survive winter temperatures outdoors.

Encarsia formosa is a parasoid wasp that feeds on the nymphs and larvae of various species of whitefly including Aleurolobus malangae, Aleurolobus subtilis, Aleurothrixus floccosus, Aleurotrachelus trachoides, Aleyrodes lonicerae, Aleyrodes proletella, Aleyrodes singularis, Aleyrodes spiraeoides, Bemisia tabaci, Trialeurodes ricini, Trialeurodes vaporariorum.

Glossary
Haemolymph

Fluid in the circulatory system of arthropods.

Olfactory

Sensory system for sense of smell.

Oviposition

Laying eggs using an organ called an ovipositor.

Thelytokous

Process by which female offspring are produced from unfertilised eggs.

Parasitoid 

Depends on another species for survival, and kills it in the process.