Olives basking in sunny California groves might find that their new best friend is a small brown wasp. Known to scientists as Psyttalia cf. concolor, the little wasp can help foil the olive fruit fly, a powerful natural enemy of olives.
Olives basking in sunny California groves might find that their new best friend is a small brown wasp. Known to scientists as Psyttalia cf. concolor, the little wasp can help foil the olive fruit fly, a powerful natural enemy of olives.