Orangish pupa (center) and white egg (bottom) of a predaceous aphid fly (Chamaemyiidae) on a stem with aphids, <i>Aphis ceanothi.</i>.
Orangish pupa (center) and white egg (bottom) of a predaceous aphid fly (Chamaemyiidae) on a stem with aphids, Aphis ceanothi..
Credit: Jack Kelly Clark