Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Agraulis vanillae - Gulf Fritillary - Hodges#4413


NABA Checklist of North American Butterflies Occurring North of Mexico - Edition 2.3
[cite:1318989

this link is a list of just the names including typo corrections, additions and updates to the following checklist:

Cassie, B., J. Glassberg, A. Swengel & G. Tudor. 2001. North American Butterfly Association (NABA) checklist & English names of North American butterflies. Second Edition. North American Butterfly Association, Morristown, NJ.

"The Second Edition of the checklist includes all 722 species of butterflies that have been recorded in North American, north of Mexico and in Hawaii, giving both English and scientific names."

A Catalogue of the Butterflies of the United States and Canada--by Jonathan P. Pelham
Taxonomic checklist used on BugGuide for Butterflies--does not seem to have a link, so here it is.
Link updated 16 October 2016 as per comments.

Notes on the Butterflies of North Carolina
A downloadable PDF file with extensive data on habitats, hostplants, flight dates, and range in the Carolinas. You must give an e-mail address to reach the download--the authors want to inform you of updates. (This is produced by the North Carolina Wildlife Resources Commission, a state agency.)

(I thought I had posted this before, but cannot find it.)

Gilligan, T. M. & S. C. Passoa. 2014. LepIntercept, An identification resource for intercepted Lepidoptera larvae.
Gilligan, T. M. & S. C. Passoa. 2014. LepIntercept, An identification resource for intercepted Lepidoptera larvae. Identification Technology Program (ITP), USDA-APHIS-PPQ-S&T, Fort Collins, CO. [accessed at http://www.idtools.org/id/leps/lepintercept].

Miller, Jeffrey C., Hammond, Paul C. (2003) Lepidoptera of the Pacific Northwest: caterpillars and adults (Pub. No: 3739)
Covers basic biology, collecting and rearing methods for Lepidoptera as well as images that associate larvae with adults of Lepidoptera found in the Andrews Forest LTER in Oregon.

Sammlung europäischer Schmetterlinge, errichtet von Jacob Hübner in Augsburg (1793–1841): updated plates legend.

British Lepidoptera
BRITISH LEPIDOPTERA - by Chris Lewis

cite:1490347

Natural Resources Canada - Insects
Seachable database with information on the general classification and the diet and feeding behaviour of the orders of insects and arachnids found in Canada’s forest environments.
cite:1463600