This obs. is for the larger pugnacious ants which were harassing the smaller Tetramorium. The red fierce ants can be viewed at: https://www.inaturalist.org/observations/37296694
This is the second of this species found at this location, and one of three species of jumpers found. This one appeared to be a gravid female. All photos are of same specimen, though it looks different standing tall compared to the crouching low images.
Otonga nature reserve, primary cloud forest at 1400-1700m elevation