Cercopidae
Family Identification - Cercopidae, Field Guide - Froghoppers & Spittlebugs, Insect Images - Cercopidae
Cicadellidae
Brochosomes, Checklist of Leafhopper Species, Cicadellidae, Family Identification - Cicadellidae, Feeding and Survival of Citrus Sharpshooters on Ho, Hong Kong Leafhopper, Leafhoppers, The Male of Nancyana curva From Southeastern Brazi
Cicadidae
Magicicada, Cicada Central, Cicada Mania, Cicadadae, Cicadae in Japan, Cicadas - Colorado State University Cooperative Ex, Cicadas in Ancient Greece, Cicadas of Arkansas, Cicadas of Korea, Cicadas of Michigan, Cicadas of South Africa
Membracidae
Developmental Stages of Spissistilus festinus Most, Family Identification - Membracidae, Horned Treehoppers - Family Membracidae, Interactive Key to Tribes of New World Membracidae, Oak Treehopper, Thorn Bug, Umbonia crassicornis, Umbonia crassicornis (Thorn Treehopper)
BugBios - Index of the Order Homoptera
Offers macrophotography combined with descriptions.
Families of Homoptera
Presents morphological characters for identifying insects in the order Homoptera. Includes references.
O. Orkin Insect Zoo - Homoptera
Offers a student reference guide. Includes a taxonomy.