Full reference: T. R. Schultz. 2007. The fungus-growing ant genus Apterostigma in Dominican amber. Memoirs of the American Entomological Institute 80:425-436
Sister taxon: Apterostigma electropilosum
Type specimen: AMNH no. DR- 16-292, an exoskeleton. Its type locality is Dominican amber (AMNH coll), which is in a Burdigalian/Langhian terrestrial amber in the Dominican Republic.