Colin Purrington<p>I prefer to have a species identification on the photographs I post, but this one is more of a PSA: take lots of pics and don't throw any away, because you never what angle an expert on iNaturalist or BugGuide might need to make the call. I *think* this might be Ceratina calcarata (a carpenter bee), but it turns out one of the diagnostic characters is a triangular swelling on the hind femur, something (of course) I didn't know at the time. A frame that I'd normally trash (right pic) shows it. <a href="https://flipping.rocks/tags/inaturalist" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>inaturalist</span></a> <a href="https://flipping.rocks/tags/bugguide" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bugguide</span></a> <a href="https://flipping.rocks/tags/bees" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bees</span></a> <a href="https://flipping.rocks/tags/dandelion" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dandelion</span></a> <a href="https://flipping.rocks/tags/taxonomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>taxonomy</span></a> <a href="https://flipping.rocks/tags/insects" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>insects</span></a> <a href="https://flipping.rocks/tags/macrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>macrophotography</span></a></p>