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A revision of western Nearctic species of Torymus Dalman (Hymenoptera: Torymidae)
By Grissell, E. E.
University of California Publications in Entomology, 1976
ISBN: 0-5200-9547-2
Cite: 732423 with citation markup [cite:732423]
This 120 page work is Vol. 79 of the series: "University of California Publications in Entomology".

It's an excellent reference and a very useful resource for those of us in the west.