I can report that mine is about 2&#x2F;3&#x27;s occupied. Its a bit hard to tell if a single tube has been abandoned or the larvae has failed though. I&#x27;ve been considering making a bug hotel with a camera or the like to monitor that.<p>Putting up bug hotels are quite popular:<p><a href="http:&#x2F;&#x2F;bushblitz.org.au&#x2F;all-abuzz-about-new-bush-blitz-bee-hotel&#x2F;" rel="nofollow">http:&#x2F;&#x2F;bushblitz.org.au&#x2F;all-abuzz-about-new-bush-blitz-bee-h...</a>
<a href="http:&#x2F;&#x2F;www.sgaonline.org.au&#x2F;insect-hotels&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.sgaonline.org.au&#x2F;insect-hotels&#x2F;</a>