Saw the #BlueBugs hashtag floating around and this ink-blue _Chalybion_ mud dauber immediately came to mind!

:inaturalist: https://inaturalist.ca/observations/123658567

#BlueMonday #wasps #MudDaubers #ArthroBeauty

@strykeroz @aenesidemusoz I've seen references to mud daubers using vibrations to liquify the mud as they manipulate it. This image is from video I filmed a few years ago that shows the vibration and manipulation as Sceliphron wasps harvested mud. Video link: http://www.rickubis.com/rick/muddaubers_scobee_091419.mp4 More Hymenopteran stuff on my page here: https://www.rickubis.com/rick/cowkill.html #wasps #muddaubers #sceliphron