Brachymyrmex obscurior is a very small species with short limbs and antennae. It moves very quickly. Notice how when viewed from above the gaster appears somewhat pointed posteriorly.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith