A rove beetle (<i>Ontholestes tessellatus</i>) folds its hindwings (masking under the forewings) together. Video in 10x slow-motion.
<a href="//commons.wikimedia.org/wiki/User:Pristurus" title="User:Pristurus">Pristurus</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>