This female was reared in captivity. When she emerged from the pupa a male arrived, almost immediately, and mated with her. 10 minutes afterwards she started laying the batch of eggs, which took over an hour. Job done, she died within a day!
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/26138378@N03">Patrick Clement</a> from West Midlands, England
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/26138378@N03/2525272610/">72.017  BF2026 The Vapourer, Orgyia antiqua egg laying</a>