the insect lays a single egg on a leaf and then rolls it inward to protect it until it hatch.

insect lays single egg leaf then rolls it inward protect hatch green macro nature biology butterfly cocoon entomology wildlife birth flying protection damage emerging metamorphosis monarch caterpillar chrysalis wing winged detail moth biological change control curl curled disease folded problem quality science sequence sick spot symptoms together virus alberta attached bacterial canada creature deposit flight host jungle llaves roller caterpillars