Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
The genera and subgenera of the sawflies of Canada and Alaska (Hymenoptera: Symphyta)
By Goulet H.
The insects and arachnids of Canada, Pt. 20. Ottawa: Agriculture Canada. 235 pp., 1992
Cite: 489387
Full text
Covers all the symphytan families

The "Full text" link above wasn't working
...it led to a "Nothing Found" page on the web site of the Entomological Society of Canada. But searching from there I was able to find the following links:

Info page for the publication:

          http://publications.gc.ca/site/eng/9.811408/publication.html

Direct Links to PDF:

          http://publications.gc.ca/collections/collection_2016/aac-aafc/agrhist/A42-42-1992-20-eng.pdf

  or     http://esc-sec.ca/wp/wp-content/uploads/2017/03/AAFC_insects_and_arachnids_part_20.pdf