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| Taxon | Status | Relationship Type |
|---|---|---|
| Labidus nigrescens Cresson | Original name/combination | member |
| Eciton (Acamatus) nigrescens (Cresson) | Subsequent name/combination | member |
| Eciton (Acamatus) schmitti Emery | Original name/combination | |
| Eciton Schmitti Emery | Original name/combination | |
| Eciton schmitti Emery | Subsequent name/combination | |
| Neivamyrmex schmitti (Emery) | Subsequent name/combination | |
| Eciton nigrescens (Cresson) | Subsequent name/combination | member |
| Eciton (Acmatus) schmitti Emery | Unavailable, literature misspelling | |
| Eciton (Neivamyrmex) nigrescens (Cresson) | Subsequent name/combination | member |
| Neivamyrmex nigrescens (Cresson) | Subsequent name/combination | member |
| Eciton (Labidus) nigrescens (Cresson) | Subsequent name/combination | member |
| Citation | Annotation |
|---|---|
| Emery C., 1894: 183. | original description, keyed |
| Emery C., 1900: 186. | placed in subgenus Eciton (Acamatus), distribution |
| Determiner(s) | # of Records |
|---|
| Collecting Method | # of Records |
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