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| Taxon | Status | Relationship Type |
|---|---|---|
| Lasius (Chthonolasius) umbratus subsp. subumbrata Viereck | Subsequent name/combination | |
| Lasius subumbratus Viereck | Subsequent name/combination | |
| Lasius (Chthonolasius) subumbratus Viereck | Subsequent name/combination | |
| Lasius umbratus subsp. subumbrata Viereck | Subsequent name/combination | |
| Lasius (Chtonolasius) umbratus subumbratus Viereck | Subsequent name/combination | |
| Lasius umbratus subsp. subumbratus Viereck | Subsequent name/combination | |
| Lasius umbratus subumbratus Viereck | Original name/combination | |
| Lasius (Formicina) umbratus subsp. subumbratus Viereck | Subsequent name/combination |
| Citation | Annotation |
|---|---|
| Viereck H. L., 1903: 73. | original description |
| Wheeler W. M., 1910: 238. | description, distribution, type information |
| Cresson E. T., 1928: 31. | type information |
| Cole A. C., 1942: 374, 375. | keyed, distribution |
| Smith M. R., 1947: 615. | included in list of species of Lasius (Chthonolasius) of the United States |
| Smith M. R., 1951: 778-875. | cataloged, distribution, placed in subgenus Lasius (Chthonolasius) |
| Determiner(s) | # of Records |
|---|
| Collecting Method | # of Records |
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