Leptothorax (Dichothorax) pergandei subsp. flavus Smith, 1929c: 549 (w.q.) U.S.A. (Mississippi). Nearctic.

Primary type information: Primary type material: lectotype worker (by designation of Prebus, 2021b: 241). Primary type locality: lectotype U.S.A.: Mississippi, Oktibbeha County, Adaton, [no collection date], cotype 52535 U.S.N.M. (M.R. Smith). Primary type depository: USNM. Primary type specimen: USNMENT00921850 (lectotype; top specimen). (Source: Prebus, 2021b: 241.) Secondary type information: Secondary type material: 12 paralectotype workers, 1 paralectotype dealate queen. Secondary type locality: 1 paralectotype worker (bottom specimen on pin) with same data as lectotype (on same pin as lectotype); 11 paralectotype workers, 1 paralectotype dealate queen with same data as lectotype. Secondary type depository: USNM. Secondary type specimens: USNMENT00921850 (worker; bottom specimen on same pin as lectotype), USNMENT00529209 (queen), USNMENT00529210 (workers), USNMENT00921851 (workers, top missing gaster, middle missing head), USNMENT00921852 (workers), USNMENT00921849 (workers). (Source: Prebus, 2021b: 241.)