<a href="https://en.wikipedia.org/wiki/Achaea_(moth)" class="extiw" title="w:Achaea (moth)">Achaea</a>, is a genus of moth in <a href="https://en.wikipedia.org/wiki/Noctuidae" class="extiw" title="w:Noctuidae">Noctuidae</a> / <a href="https://en.wikipedia.org/wiki/Erebidae" class="extiw" title="w:Erebidae">Erebidae</a> family. The caterpillars are termed "semi-loopers" due to their mode of locomotion. Note the reduced first abdominal proleg. Most <a href="https://en.wikipedia.org/wiki/Erebidae" class="extiw" title="w:Erebidae">Erebidae</a> have reduced or absent first, and sometimes second, abdominal prolegs, making them "semi-loopers".
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<a href="//commons.wikimedia.org/wiki/User:Jkadavoor" title="User:Jkadavoor">Jeevan Jose, Kerala, India</a></div>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>