This bubble blowing is an activity practiced by many flies. The bubble (actually a droplet) is always sucked in again. There are all kinds of theories circulating among fly experts; for example, it is suggested that it is a way to warm up. It seems that flies always do this with their head...
This is a Giant Ichnuemon Wasp female, she is currently laying eggs directly on Horntail Wasp larva (if you look at her abdomen, you can see the very long ovipositor going down between all of her legs and into the tree).
OM-1, Laowa 50mm, Godox v350o, Cygnustech diffuser
Here's a 13 image stack of a Weevil I found in Seattle, WA. INat says it is a Sthereus horridus and can only be found in the Pacific Northwest
OM-1, Laowa 50mm, Godox v350o, Cygnustech Diffuser. Completely manual handheld stack.