The species which Oviposit on larger plants or trees are inclosed in a gauze bag tied over the branch.
"Directions for Collecting and Preserving Insects"
C. V. Riley
From his long experience in rearing the eggs of these insects he concluded that the egg-laying females know in a most remarkable way the precise kinds of leaves upon which to Oviposit.
"Butterflies Worth Knowing"
Clarence M. Weed