Monomorium opacior Bolton, 1987 junior synonym of current valid taxon Monomorium opacior Forel, 1913
Monomorium opacior Bolton, 1987: 352 (w.) ZIMBABWE. Afrotropic.
Primary type information: Type-material: 10 syntype workers. Type-locality: Zimbabwe (“Rhodesia”): Bulawayo, 3.xi.1912, no. 130 (G. Arnold). Type-depositories: BMNH, MHNG.
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