As a boy I sold stuffed cabbage- leaf rolls in the street-did you know that?
The cocoon is situated on the edge of a living leaf around the leaf roll.
Most feeding takes place after dusk and larvae often hide in leaf rolls or under a branch during the day.
The leaf roll made by the larvae of the last two instars is very large and cigarette-like in form.
When an insect is captured, the tentacles bend inward and the leaf rolls together as shown in the picture.
They are parasitoids of larval Lepidoptera in leaf rolls.
The leaf roll is cone-shaped and rolled up downward from the tip of the leaf.
The cocoons are ordinarily formed inside the leaf roll.
Mr. Alexander, who has been monitoring his plants for the last 15 years, suspects that leaf roll may be caused by air pollution.
Older larvae leave the mine and continue feeding in a leaf roll.
