| No nibbling or feeding
by newly hatched larvae, which survived for two to four days.
Feeding by ten-days-old larvae was observed.
Twenty-three larvae survived for only three to four days.
On fifth and ninth days of the test moulting by the remaining
two larvae was recorded. One of these survived for only 11
days.
On 16th day the other larvae stopped feeding and on the 18th
day it pupated.
Thirteen days after pupation a moth emerged.
In additional tests using potted carrot plants newly hatched
larvae did not nibble or feed. All were dead by the fifth
day of the test. |