Arachnology
Acarology, American Arachnological Society, Arachnodata, Arachnology Hub, British Arachnological Society, David Richman's Site, International Society for Arachnology
Entomology
Academic Departments, Associations, Coleopterology, Forensic Entomology, Lepidopterology, Publications, Allexperts Entomology, Biological Control: A Guide to Natural Enemies in, Centre for Entomological Studies Ankara, Cultural Entomology Digest, David Young: Acquiring the Friedrich Tippmann Coll, General Entomology, Infography - Insect Behavior, Insect Chemical Ecology and Behavior Laboratory, Insect Identification and Natural History, Insect Immunology
GLIDE
The Global Litter Invertebrate Decomposition Experiment to assess rates of decomposition while controlling for climatic factors across latitudes and biomes. Includes image gallery of mites, hexapods, opilionids, ostrocods, and nematodes.
Invertebrate Anatomy
A library of anatomical descriptions and dissection guides by Richard Fox of Lander University. Emphasis on southeastern United States species.
Project ALAS - Arthropods of La Selva
A large-scale inventory of arthropod diversity in a lowland tropical rainforest to counteract our nearly total ignorance of patterns of arthropod diversity and our lack of inventory products(identification tools, locality data, specimens, databases) greatly limiting the inclusion of arthropods in conservation applications and natural products development.
Scientific Reference Resources
Publishes monthly catalogues of scientific literature: publishes Arthropod Endocrinology News, the Directory of Arthropod Endocrinologists, and New Entomological Taxa. Also includes other scientific resources.
Sonoran Arthropod Studies Institute
Insects, arachnids, and other arthropods that affect the Sonoran ecosystem. Located in Tucson, Arizona.
Urban Entomology by Walter Ebeling
Online book (published 1975) discusses arthropod pests found in the urban environment and home, including insects and other arthropods that bite, attack materials, cause allergies, and/or are parasitic on people and pets.