Literature references
1 literature reference for Quadrastichus vacuna (Walker, 1839):
| Author: | Graham, M.W.R. de V.; LaSalle, J. |
|---|---|
| Year: | 1991 |
| Title: | New synonymy in European Tetrastichinae (Hymenoptera: Eulophidae) including designation of some neotypes, lectotypes and new combinations. |
| Source: | JOURBOOK: Entomologist's Gazette VOLUME: 42 PAGES: 89-96 |