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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 |
|---|---|
| Wheeler W. M., 1908: 417. | description, distribution |
| Hayes W. P., 1925: 12. | distribution |
| Buren W. F., 1941: 112. | distribution |
| Smith M. R., 1936: 157. | distribution |
| Smith M. R., 1938: 158, 160. | description, synonymy, distribution |
| Smith M. R., 1935: 237. | distribution |
| Determiner(s) | # of Records |
|---|
| Collecting Method | # of Records |
|---|