I’m very curious to know whether this is a type of ant or not, I only see 6 legs. Found in Tampa, Florida near Tarpon Springs.
It's some type of Reduviidae, or assassin bug - possibly a juvenile wheel bug. Here's a few pictures of Floridan assassin bugs I've found just browsing the net:
Tagged as unidentified Reduviidae from Tallahassee
Tagged as assassin bug
Tagged as a Wheel Bug
Tagged as a wheel bug nymph