May 10, 2018 7:49 a.m. P1730685
This is a Brachymyrmex patagonicus ant from Argentina, first seen in the US in La. in 1976. Rover Ant workers of Brachymyrmex sp. are 2mm and under in size with 9 segmented antennae. These are tending caterpillars of Echinargus isola, Reakirt's Blue, on a Golden-ball Lead-tree at LBJ WC. There is one native Brachynyrmex, B. depilis. Formicid. Patagonicus have large eyes. Depilis (the native) eats honeydew from subterranean hemipterans. Formicid.