Our references are listed here.

Credits for photos & illustrations
Bill Stark ~ Mississippi College
David H. Funk ~ Stroud Water Research Center
J. C. Hodges ~ Cumming, GA
Jenny Dahl ~ Erie, PA
Karen Prather ~ Corry, PA
Thomas Ames Jr. ~ New England
R.A. Green ~ Erie, PA
Greg Pond ~ Wheeling, WV
Ethan Nedeau, www.biodrawversity.com ~ Amherst, MA

Collectors & Collections
Edwin C. Masteller ~ Professor Emeritus Biology
(alias: Max Zeller ~ Kiboka Outpost, Erie Zoo)

Todd Bills*
Caren Dionisi Dubell*
Greg Kedzierski*
Mark Lethaby*
Rick Raid*
John M. Rightor*
Jim Samuels*
Sven-Erik Spichiger*
John Sweka*
Jan Sykora ~ University of Pittsburg
David H. Funk ~ Stroud Water Research Center
G. L. Jubb, Jr. ~ VMI
John Weaver ~ University of New Hampshire
Karl Valley ~ BPI, PA-Department of Agriculture
Jane Earle ~ Pennsylvania DEP
Scott Grubbs ~ Western Kentuky University

* former Penn State students

Identification
Boris Kondratieff ~ Colorado State University
John Morse - Clemson University
O. S. Flint, Jr ~ Smithsonian Institution
P. Harper ~ University of Montreal
Richard Baumann ~ Brigham Young University
Stanley W. Szczytko ~ University of Wisconsin - Stevens Point

WebSite & Server Thanks
Isaac Hagenbuch ~ Penn State Erie
Ron Richardson ~ Penn State Erie
Matt Langguth ~ Penn State Erie
George Dudas ~ Penn State Erie
Carla Torgerson ~ Penn State Erie
Eric Randall ~ Erie County Planning
Kevin Norton ~ Penn State Erie
Tracy Hersman ~ Penn State Erie
Erin Hersman ~ Penn State Erie
Zachary Dorash ~ Penn State Erie
Lindsay Patton ~ Penn State Erie
Ryan Milliron ~ EbizITPa (For The Searchable Databases)
PA SeaGrant
Penn State Erie School of Science