Literature references
1 literature reference for Joppidium densum Townes, 1962:
| Author: | Townes, H.K.; Townes, M. |
|---|---|
| Year: | 1962 |
| Title: | Ichneumon-flies of American north of Mexico: 3 Subfamily Gelinae, Tribe Mesostenini. |
| Source: | United States National Museum Bulletin. 216(3):1-602. |