The AntsCanada Ant Forum's

Or scutellaris?

Possibly Crematogaster ashmeadi for type 1?

First type is larger, sorry, for confusion.

As I look at the photos, appears mandibles may be quite different between the two types as well. Second type appears to be much sharper and come to a point. Second type seems to have a wider, serrated contact surface between the two mandibles.

Ant type 2 Found early afternoon Memphis, TN area on 6.15.23 Overcast, spotty showers in the early afternoon Dark in color, lighter and larger than type 1, head is deep red, rust and black on the thorax. Gaster is very dark, but has a light patch near the front. 8-9mm in length https://lh3.googleuse...

Trying again... Ant type 1 Found around mid day, three total Memphis, TN area on 6.15.23 Overcast, spotty showers in the early afternoon Dark in color, appears black under flash, head is dark red, small amount of red on the thorax. Gaster is black. All three were 7-8mm in length https://lh3.googleus...

Guess they were only showing up for me. Been a long time since I've embedded a Google image, apologies. Below are links to two folders that should be public (with link). First folder (Memphis 1) is representative of three of the elates found. Second folder (Memphis 2) contains three photos of a seco...

Found one of these on the truck window before noon, with wings. Found a second later, without. By this time the first had shed its wings. One escaped before I was able to snap a photo, but both were nearly identical with one being slightly larger. Size is around 7-8mm Color is dark. Abdomen black/ne...

My guess is Pseudomyrmex gracilis...

We just had tetramorium fly here in the Chicago area in the last week or two and that looks very similar. The one in the photo appears to be a male, but I'm no expert. The head appears to be too small for a female.