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Evergreen Bagworm Moth

Thyridopteryx ephemeraeformis


Caterpillars of the bagworm moths encase themselves in plant material (usually). In this case, these evergreen shrubs act as a food plant and camouflage for the case. The head and front legs of the caterpillar can be seen as they move around to feed. They will pull their heads inside the bags for defense. When ready to pupate, the larva attach the bag to a branch with silk. Males will wriggle out of the bottom of the bag. Females are legless and wingless and remain in the bag waiting for males to come and mate with them.


Suburban landscaping outside of a building.

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Spotted by

Virginia, USA

Spotted on Aug 15, 2016
Submitted on Nov 10, 2019

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