Survival (%, mean ± SE) of the nymphs in different instars and the nymph stage of H. foeniculi at five constant temperatures, a photophase of 12 h and a relative humidity of 70±10%.

1Original data. Within the rows, the means with the same lowercase letter do not differ significantly according to the Student-Newman-Keuls test (P = 0.05).2Within the columns, the means with the same uppercase letter do not differ significantly by the Student-Newman-Keuls test (P = 0.05).3Represents the entire time that an aphid spent in the nymphal stage.