ⓘ Encarsia harrisoni
Encarsia harrisoni is a species of parasitoid wasp native to England. It was discovered in the playgrounds of Sevenoaks School, and named after David Harrison, chairman of the nearby Harrison Institute.
Just a millimeter, species lays eggs in the whitefly lives on maple. No men were observed during the five years of study, the species is considered to be one.