Web-based keys


Aquatic Insects of New Hampshire

Canadian Journal of Arthropod Identification

Discover Life

Identify Life

Iowa State Index of Internet Resources: Keys

Key to Insect Orders

Pests of Cultivated Palms

Australian Aquatic Invertebrates

Key to Cotton Insects


Orders, Suborders and Cohorts of Mites in Soil

Invasive Mite Identification


Beetles of the World

Tenebrionidae of Wisconsin

The Darkling Beetles of Florida and Eastern U.S.

Wood boring Beetle Families

Bark Beetle Genera of the United States

Bark Beetles of the Southeastern United States

World Genera of Xyleborini (Curculionidae: Scolytinae)

Christmas Beetles (Scarabaeidae) of New South Wales

Flower Chafers (Scarabaeidae) of New South Wales

Dung Beetles (Scarabaeidae) of New South Wales

Criocerinae (Chrysomelidae) of New South Wales

Spilopyrinae (Chrysomelidae) of New South Wales

Sagrinae (Chrysomelidae) of New South Wales

Chrysomelinae (Chrysomelidae) of New South Wales

Common Chilocorus species of India

Genera of Morionini (Carabidae)

Key to New World Species of Elaphrini (Carabidae)

Weevil Biocontrol Agents for Aquatic & Terrestrial Weeds


Calliphoridae do Brasil(in Portuguese)

Key to World Ectyphinae (Mydidae) species

Invasive Crane flies of the Northeastern United States

LiriomyzaParasitoids of Southeast Asia

Stiletto-flies of Australasia (Diptera: Therevidae)

Mosquitoes of New Zealand

CulicID: Adult Female Mosquitoes of Queensland

Drosophiladel Ecuador (Spanish)


Armored Scales of the World

Whitefly Pupae of the World

Australian Soft Scale (Coccidae) Genera

Interactive Key to Aphis in Midwestern United States

Families of Heteroptera Australia

Stink Bugs (Pentatomidae) of Australia

Lace Bugs (Tingidae) of Australia

Scale Insects of Quarantine Significance

Illustrated Interactive Keys for identifying Treehoppers


Pacific Invasive Ant Key (PIAKey)

Australian Cynipoidea

World Genera of Eulophidae Parasitoids of Leafmining Agromyzidae

World Species Groups of Leucospis (Hymenoptera: Leucospidae)

Ant subfamilies of Madagascar


Light Brown Apple Moth (LBAM) ID

Families of macro-moths of California


Key to the Psychopsidae (Insecta: Neuroptera) Genera of the World

Larvae of Corydalidae (Megaloptera) of California


Grasshoppers:  Their Biology, Identification and Management

Grasshoppers of the Western United States


Thrips of California

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