Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
A Google hosted site, Mike's insect keys. I can’t vouch for the accuracy of the keys but maybe one of the editors can vet it.
https://sites.google.com/site/mikesinsectkeys/Home/keys-to-coleoptera/keys-to-identify-the-british-species-of-leiodidae