LEARN NC

K–12 teaching and learning · from the UNC School of Education

Eastern black swallowtail butterfly: Third larval instar

About this photograph

Creator
Kathryn Walbert
Date created
June 29, 2008
License
This photograph copyright ©2008. All Rights Reserved

See this photograph in context

  • The world of a butterfly: The transformation of a caterpillar into a butterfly is one of nature's most amazing feats. These photographs show the development of an eastern black swallowtail butterfly from egg to larva to chrysalis to adult. (Page 13)

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butterfly larva

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Closeup of the head of the eastern black swallowtail larva, a day before entering its pupal stage. As a defense mechanism, the red markings and yellow “horns” on its head become more prominent when the larva is threatened.