The image shows the omnatidia that make up the compound eye of the hymenoptera. The image was taken under a scanning electron microscope (SEM).
<a href="//commons.wikimedia.org/wiki/User:Mtbusca" title="User:Mtbusca">Giovanna Canu, Maria Teresa Buscaglia</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>