Psen longicornis
| Type Number: | 4750 |
| Genus: | Psen |
| Species: | longicornis |
| Subspecies: | |
| Author: | Fox, 1898 |
| Sex: | male |
| Country: | United States |
| State / Province: | Florida |
| County: | |
| Collector: | Slosson, A.T. |
| Date Collected: | |
| Family: | Sphecidae |
| Order: | Hymenoptera |
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| Type Number: | 4750 |
| Genus: | Psen |
| Species: | longicornis |
| Subspecies: | |
| Author: | Fox, 1898 |
| Sex: | male |
| Country: | United States |
| State / Province: | Florida |
| County: | |
| Collector: | Slosson, A.T. |
| Date Collected: | |
| Family: | Sphecidae |
| Order: | Hymenoptera |
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