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| Taxon | Status | Relationship Type |
|---|---|---|
| Labidus nigrescens Cresson | Original name/combination | |
| Eciton (Acamatus) nigrescens (Cresson) | Subsequent name/combination | |
| Eciton (Acamatus) schmitti Emery | Original name/combination | junior_synonym |
| Eciton Schmitti Emery | Original name/combination | junior_synonym |
| Eciton schmitti Emery | Subsequent name/combination | junior_synonym |
| Neivamyrmex schmitti (Emery) | Subsequent name/combination | junior_synonym |
| Eciton nigrescens (Cresson) | Subsequent name/combination | |
| Eciton (Acmatus) schmitti Emery | Unavailable, literature misspelling | junior_synonym |
| Eciton (Neivamyrmex) nigrescens (Cresson) | Subsequent name/combination | |
| Neivamyrmex nigrescens (Cresson) | Subsequent name/combination | |
| Eciton (Labidus) nigrescens (Cresson) | Subsequent name/combination |
| Citation | Annotation |
|---|---|
| Dalla Torre C. G. de, 1893: 289. | cataloged |
| Emery C., 1900: 179, 187. | probably related to Eciton Spinolae (Westwood), placed in subgenus Eciton (Acamatus), distribution |
| Emery C., 1910: 27. | cataloged, placed in subgenus Eciton (Acamatus) |
| Wheeler W. M., 1910: 562. | distribution, placed in subgenus Eciton (Acamatus) |
| Buren W. F., 1944: 280. | keyed |
| Cole A. C., 1940: 38. | description, keyed, distribution |
| Smith M. R., 1947: 527. | included in list of species of Eciton (Neivamyrmex) of the United States |
| Van Pelt A. F., 1948: 58. | keyed |
| Smith M. R., 1951: 778-875. | cataloged, distribution, placed in subgenus Eciton (Neivamyrmex) |
| Cole A. C., 1953: 84. | distribution |
| Determiner(s) | # of Records |
|---|
| Collecting Method | # of Records |
|---|