Keys, Guides, etc.
Insects & Spiders
Ants
https://www.antwiki.org/wiki/Category:US_species_identification_key
http://www.fmcprosolutions.com/LinkClick.aspx?fileticket=dsESXNRwKA0%3D&tabid=1232&mid=2082
Checklist of KY ants
https://antmaps.org/
Key to Subfamilies of Formicidae in the Southeastern United States ...
https://mississippientomologicalmuseum.org.msstate.edu/Researchtaxapages/Formicidaepages/subfamilykeys/Subfamilycoup1.html
Spiders
https://www.thebiologistapprentice.com/blog/spider-identification-by-eye-arrangement
Aquatic Macroinvertebrates
https://www.macroinvertebrates.org/
craneflies
Moths
Silhouette Key to Major Moth Families
https://bugguide.net/node/view/21675
Cicadas
Common Cicadas of North America
https://www.cicadamania.com/genera/north-america.php
Bumblebees
Bumble Bee Field Guide for Illinois, Missouri, Ohio, and Indiana
https://beespotter.org/topics/key/
Key to Female Bumble Bees
https://beespotter.org/topics/key/images/BumbleBeeKey2016.pdf
Fish
Fishes of TN: https://trace.tennessee.edu/cgi/viewcontent.cgi?article=1001&context=utk_utpress
Crayfish
https://www.nps.gov/obed/learn/nature/upload/Obed-crayfish-revised.pdf
Crayfishes of KY book
https://amzn.to/2lnJMoS
KDFWR Checklist of species
http://app.fw.ky.gov/speciesinfo/speciesList.asp?strGroup=14&strSort1=Class&strSort2=CommonName
White Beetle Grubs
https://ohioline.osu.edu/factsheet/hyg-2510
Amphibians
American Toad Vs. Fowler's Toad
https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-9/19437454_10154950871204888_8003636617939653152_n.jpg?_nc_cat=104&_nc_oc=AQn9sXExDCnHM_E38vi9qMX_F5dIJDF5kgzJCDutXXllS5-BjrbcPUnd-frD2dtWNrY&_nc_ht=scontent-iad3-1.xx&oh=744f55cbf964a32df4abd21b4543d61e&oe=5E12C7CD
Larval Amphibian key
http://fwf.ag.utk.edu/mgray/wfs493/HovermanLarvaeID.pdf
A Field Guide to Amphibian Larvae and Eggs
of Minnesota, Wisconsin, and Iowa
https://www.umesc.usgs.gov/documents/reports/2002/amphibian_larvae_and_eggs_field_guide.pdf
Tadpoles of the United States and Canada: A Tutorial and Key
https://www.pwrc.usgs.gov/tadpole/
Snails
Snail Guide to Tennessee
https://www.npdn.org/.../WPDN%20Snail%20Guide%20COPY%20TENNESSEE.pdf
