Taxonomic history
Watkins & Coody, 1986 PDF: 257 (q.).Combination in Neivamyrmex: Borgmeier, 1953 PDF: 10 (spelling emended to Neivamyrmex graciellae).See also note in Borgmeier, 1955 PDF: 389.Figures 5 a-b, 35, 51, 65, 78
Eciton gracellae Mann , 1926: 97 (w). MEXICO , JALISCO , Ototonilco ( USNM ) examined .
Neivamyrmex graciellae : Borgmeier, 1953: 10. Emendation. Borgmeier, 1955: 388 - 389 (w). Watkins & Coody, 1986: 257 (q).
DISTRIBUTION (Map 3)
UNITED STATES: Arizona. MEXICO: Jalisco, Oaxaca.
SPECIMENS EXAMINED
UNITED STATES , ARIZONA, Santa Cruz Co. , Florida Canyon , Santa Rita Mts. ( LACM , GCSC ) .
MEXICO , JALISCO , Chamela Biological Station ( USNM ) ; Ototonilco ( USNM ). OAXACA , 13 mi NW Oaxaca , 5500 ft. ( LACM ) .
DISCUSSION
This species has not been previously recorded from the United States. Its discovery in southern Arizona raises the possibility that this species, rather than N. melanocephalus , might be the worker caste of N. mandibularis . The question cannot now be resolved.