Monomorium metoecus Brown & Wilson, 1957 junior synonym of current valid taxon Monomorium carbonarium (Smith, 1858)
Monomorium metoecus Brown & Wilson, 1957b: 239, fig. 1 (eq.) U.S.A. (Alabama). Nearctic.
Primary type information: Primary type material: holotype ergatoid queen. Primary type locality: U.S.A.: Alabama, Tuscaloosa, University of Alabama Campus, “Smith Woods”, no. M-178 (E.O. Wilson). Primary type depository: MCZC.
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