Catalogue of Life
Integrated Taxonomic Information System
World Register of Marine Species
Discover Life
ZipcodeZoo
The Five Kingdoms
INVERTEBRATES
BugGuide *
What's That Bug?
Nomina Insecta Nearctica *
Nomina Circumscribentia Insectorum
Psyche back issues *
Journal of Insect Science
British leafminers
Orthoptera Species File
Gordon's Phasmida Page
Aphid taxonomy
Bibliography of the Neuropterida
The Coleopterists Society *
Tiger Beetles of the United States *
Bark and Wood Boring Beetles of the World
Hymenoptera Name Server *
Electronic World Catalog of Symphyta *
Cynipid taxonomy *
Identification Atlas of the Vespidae of the northeastern Nearctic region *
Online Catalog of Ants of North America *
AntWeb
Trichoptera World Checklist
All-Leps North American Checklist *
The Global Lepidoptera Names Index *
Butterflies and Moths of North America *
Digital Guide to Moth Identification *
Microleps.org
HOSTS: A Database of the World's Lepidopteran Hostplants
Diptera.info
Nearctic Spider Database *
Spiders of North America species list *
The World Spider Catalog *
American Arachnological Society *
International Society for Arachnology
Checklists of U.S. Scorpions
List of eriophyid mites (Acari Project)
World Checklist of Millipede Groups
Land Snails of Pennsylvania
PLANTS
Images, identification, and ecological information
USDA PLANTS Database
Silvics of North America
Wildflowers of eastern North America
Orchids of the United States
Bryophytes
Coniferous forest bryophytes
Plant uses
Plants For A Future
NewCROP search engine
Edible wild plants & mushrooms of New England (Russ Cohen)
Other plant links
Dictionary of botanical epithets
Arthur Haines