Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
[cite:368979]
the resource seems to be unavailable as of Nov 2016

a helpful source, esp. to check NC state records; used to cover >21,000 species, but (i) the taxonomy was quite outdated in many cases, and (ii) the source was not a complete checklist of NC fauna, either, as it did not cover data from other institutional or private holdings
http://inventory.ent.ncsu.edu/index.cfm