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BagwormCocoons on my Mesquite tree
October 10, 2009
South of Tucson, Arizona. I have these cocoons all over one of my mesquite trees.
Pam
Rio Rico, Arizona
Bagworms
Hi Pam,
This is a species of Bagworm. Bagworms are caterpillars of moths in the family Psychidae. They are unusual in that the female never leaves her bag. The bag is formed from silk and plant material by a growing larva that eventually pupates inside its bag. Adult males have wings but females are wingless. The female emits pheromones and attracts a mate to her bag. Her eggs are also laid in the bag. BugGuide contains some wonderful information.
Bagworms
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