| Pyrrhocoris elongatus Schaum 1853 | Schaum1853: 358 | description |
| Pyrrhocoris elongatus Schaum | Schaum 1862: 46 | description |
| Roscius elongatus Schaum | Stål 1866: 8 | description |
| Roscius elongatus Schaum | Stål 1870: 109 | |
| Roscius elongatus Schaum | Walker 1872: 173 | |
| Roscius elongatus Schaum | Gerstäcker 1892: 50 | |
| Roscius elongatus Schaum | Bergroth 1893: 126 | |
| Roscius elongatus Schaum | Lethierry and Severin 1894: 245 | |
| Roscius elongatus Schaum | Montandon 1899 | |
| Roscius elongatus (Schaum) | Hussey 1929: 51 | |
| Roscius elongatus Schaum | Blöte 1931: 108 | |
| Roscius elongatus Schaum | Schmidt 1932: 247 | |
| Roscius elongatus Schaum | Villiers 1967: 372 |
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