Below are some websites I have found useful for insect identification, as well as host plant identification and general plant identification. Also listed are some useful field guides I have used or have been recommended by fellow biologists.
Lepidoptera
Moth Photographers Group http://mothphotographersgroup.msstate.edu/
Butterflies and Moths of North America (BAMONA) https://www.butterfliesandmoths.org/
Pacific Northwest Moths (PNW Moths) http://pnwmoths.biol.wwu.edu/
The Kirby Wolfe Saturniidae Collection http://www.silkmoths.bizland.com/kirbywolfe.htm
The Moths of Southeastern Arizona http://nitro.biosci.arizona.edu/zeeb/butterflies/mothlist.html
General Insect Identification
BugGuide https://bugguide.net/node/view/15740
What’s That Bug? https://www.whatsthatbug.com/
Plant Identification
Calflora https://www.calflora.org/
USDA Plants Database https://plants.sc.egov.usda.gov/java/
Entomological Resources
BioQuip Products https://www.bioquip.com/default.asp
Field Guide Recommendations
Insect Guides
- Butterflies of Arizona – A Photographic Guide
- Desert Insects and Kin of Southern California
- Moths of Western North America
- Beetles of Eastern North America
- Butterflies through Binoculars: A Fieldguide to the Butterflies of the West
- Butterflies through Binoculars: A Fieldguide to the Butterflies of the East