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Honeypot ant
Honeypot ants, also called honey ants, are ants which have specialized workers (repletes, plerergates, or rotunds) that are gorged with food by workers to the point that their abdomens swell enormously. Other ants then extract nourishment from them. They function as living larders. Honeypot ants belong to any of several genera, including Myrmecocystus and Camponotus.

Yes, I can copy and paste too. >:(

The marks on the abdomen are similar, this may be a collector of the same species.

The interesting thing was this ant not only had very earthy green and brown colouring but is was also mat as opposed to glossy... I'm still not sure.