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| Taxon | Status | Relationship Type |
|---|---|---|
| Myrmecocystus testaceus Emery | Subsequent name/combination | member |
| Myrmecocystus melliger var. testacea Emery | Subsequent name/combination | member |
| Myrmecocystus melliger subsp. semirufa var. testacea Emery | Subsequent name/combination | member |
| Myrmecocystus melliger semirufus var. testaceus Emery | Unavailable, other | member |
| Myrmecocystus mexicanus subsp. idahoensis Cole | Original name/combination | |
| Myrmecocystus mexicanus idahoensis Cole | Subsequent name/combination | |
| Myrmecocystus melliger var. testaceus Emery | Original name/combination | member |
| Myrmecocystus mexicanum subsp. idahoensis Cole | Subsequent name/combination | |
| Myrmecocystus melliger testacea Emery | Subsequent name/combination | member |
| Myrmecocystus melliger semirufus testaceus Emery | Unavailable, other | member |
| Myrmecocystus idahoensis Cole | Subsequent name/combination | |
| Myrmecocystus (Myrmecocystus) testaceus Emery | Subsequent name/combination | member |
| Myrmecocystus melliger semirufus testaceous Emery | Unavailable, other | member |
| Myrmecocystus melliger subsp. semirufus var. testaceus Emery | Unavailable, other | member |
| Citation | Annotation |
|---|---|
| Smith M. R., 1951: 778-875. | cataloged, distribution, treated as valid species |
| Wheeler G. C., Wheeler J., 1986: 138. | junior synonym of Myrmecocystus testaceus Emery |
| Determiner(s) | # of Records |
|---|
| Collecting Method | # of Records |
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