These are longer publications of utility to the general coleopterological community. They are published on an irregular schedule.
Special publications of the Society are subject to the same standards and review requirements as are contributions to The Coleopterists Bulletin except that more editorial latitude is permitted.
PDFs (free) of each available at links below.
Special Publication No. 5
Adventive Weevils Recorded from North America: A Review and Illustrated Manual for their Identification (Coleoptera: Curculionoidea, Excluding Scolytinae)
By E. Richard Hoebeke, James R. LaBonte, and Kent E. Loeffler
https://doi.org/10.1649/AVLN2093
[PDF to be made available at a later date]
Special Publication No. 4
A Catalog and Bibliography of the Buprestoidea of America North of Mexico
By Gayle H. Nelson, George C. Walters, Jr., R. Dennis Haines, Charles L. Bellamy
Special Publication No. 3
Illustrated Key to the Longhorned Woodboring Beetles of the Eastern United States
By Steven W. Lingafelter
Special Publication No. 2
Host List of Leaf Beetle Species Occurring in the United States and Canada
By Shawn M. Clark, Douglas G. LeDoux, Terry N. Seeno, Edward G. Riley, Arthur L. Gilbert, and James M. Sullivan
Special Publication No. 1
Catalog of Leaf Beetles of America North of Mexico
By Edward G. Riley, Shawn M. Clark, and Terry N. Seeno
Email the Managing Editor to inquire about the fit of your study for Special Publications.