Arthropoda

Global Litter Invertebrate Decomposition Experiment
Assesses rates of decomposition while controlling climatic factors across latitudes and biomes.
http://www.nrel.colostate.edu/projects/glide/

Project ALAS - Arthropods of La Selva
Large scale inventory of arthropod diversity in the lowland tropical rainforest of La Selva, Ecuador.
http://viceroy.eeb.uconn.edu/alas/alas.html

Sonoran Arthropod Studies Institute
Researches insects, arachnids and other arthropods that affect the Sonoran ecosystem. Located in Tucson, Arizona.
http://www.sasionline.org/

Urban Entomology
Online book written by Walter Ebeling that discusses arthropod pests in the urban environment and in the home.
http://www.entomology.ucr.edu/ebeling/