<p>Antenna of a fly, Brachycera, Diptera. 
</p>
A drawing by <a href="https://no.wikipedia.org/wiki/Bruker:Halvard" class="extiw" title="no:Bruker:Halvard">Halvard</a> from Norway.
<a href="https://no.wikipedia.org/wiki/Bruker:Halvard" class="extiw" title="no:Bruker:Halvard">Halvard</a>
16 August 2014 (original upload date)
No machine-readable source provided. Own work assumed (based on copyright claims).