Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Wasps of the Genus Trypoxylon Subgenus Trypargilum in North America (Hymenoptera, Sphecidae)
By Rollin E. Coville
University of California Press, Entomology, Volume 97, 1982
Cite: 1141446 with citation markup [cite:1141446]

Not really "full text" at the GoogleBooks link above
...only limited preview. But certainly better than nothing ;-)

not sure how I didn't notice that. It contained the pages I needed and I guess I didn't go farther than that.
Might be "better than nothing" but not by a lot :-)