This is an ant that was crawling on the table next to my microscope so I captured it an put it on a slide.
Observed this colony collecting seed from two different tribe poeae, both non-native. The colony dispersed the seed chaff evenly in a roughly 4' diameter area around the entrance. Marking these as V. andrei, though this would extend its range further north.
Happened across two colonies, close to where I found this species earlier this year. Both living in decaying Brazilian Pepper Tree trunks right on the boundary between the salt marsh and slightly higher ground.
Small red ant I accidentally collected with isopods (you can see it checking out isopod in 2nd photo). Head is much larger than thorax & abdomen. Head & thorax are lighter & redder in color than the abdomen. Long antennae that are thicker at tips.
Observation for the Ant in the lower left corner.