Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
[cite:375671]
General info, key to genera, species distribution.
NB: Due to the recent overhaul of erotylid taxonomy(1), covers only what is now Erotylinae sans Languriini
http://www.fsca-dpi.org/Coleoptera/Paul/introduction.html

Broken Links
Glen points out that these links are broken. I couldn't find new links to the source anywhere, but I did find a snapshot of the site on the wayback machine from 25Oct2019.