Iowa State Entomology Index of Internet Resources  
   A searchable database of websites pertaining to insects and related organisms.
   http://www.ent.iastate.edu/List/

General Entomology  
   Detailed course notes and syllabus from class taught by John R. Meyer of North Carolina State University.
   http://www.cals.ncsu.edu:8050/course/ent425/

Insect Immunology  
   An investigation of insect immunology and evolution of the mammalian immune response.
   http://dna2z.com/projects/insect.html

University of Florida Book of Insect Records  
   This fascinating site consists of an ever-growing collection of articles documenting insect records such as most spectacular mating, fastest wingbeat, smallest eggs, and loudest.
   http://gnv.ifas.ufl.edu/~tjw/recbk.htm

Insect Chemical Ecology and Behavior Laboratory  
   Insect chemical ecology and behavior laboratory of Prof. Ring T. Cardé at the University of California Riverside
   http://www.darwin.ucr.edu/

Systematic Entomology  
   Guide to online insect systematic resources from North Carolina State University.
   http://www.lib.ncsu.edu/agnic/sys_entomology/index_flash.html

Biological Control: A Guide to Natural Enemies in North America  
   Text and photographs describing the biological control agents of insect, weed, and pathogen pests
   http://www.nysaes.cornell.edu/ent/biocontrol/

Social Insects Web  
   Devoted to assembling databases about social insects, organizing research and standardizing research methods, and providing information and news updates.
   http://research.amnh.org/entomology/social_insects/

Veterinary Entomology  
   An extensive site giving detailed accounts of the biology and control of insects that are important from both veterinary and medical perspectives.
   http://www.roberth.u-net.com/index.htm

Centre for Entomological Studies Ankara  
   Independent research center, museum, and library in Turkey that supports entomological research based on its collection of specimens (especially Lepidoptera), organizes expeditions, and publishes the results of the studies.
   http://www.members.tripod.com/~Cesa_1988/on.html

Cultural Entomology Digest  
   Studies the reasons, beliefs, and symbolism behind the inclusion of insects within all facets of the humanities.
   http://insects.org/ced/

Insects on WWW  
   Links to more than 6000 insect-related URLs for beginners to entomologists.
   http://www.isis.vt.edu/~fanjun/text/Links.html

Public Health Entomology  
   Public Health Entomology Research and Education Center conducts research on mosquito control. The site has downloadable "Entguides" on a number of insect species.
   http://pherec.org

Allexperts Entomology  
   Entomologists available to answer questions about insects.
   http://www.allexperts.com/getExpert.asp?Category=665

Systematic Entomology Laboratory, US Department of Agriculture  
   Provides research products, information, and services on a wide variety insects of importance to U.S. Agriculture.
   http://www.sel.barc.usda.gov/Selhome/selhome.htm

Insectclopedia  
   An encyclopedia of Internet insect resources.
   http://www.insectclopedia.com

Soybean Insect Research Information Center  
   A database of the world's literature on soybean arthropods.
   http://insectweb.inhs.uiuc.edu/Soy/Siric/Home.htm

Kendall Bioresearch Services  
   Guide to the classification and identification of insects and other arthropods, with biological notes and examples for all major groups. Information on control of rural and domestic insect pests.
   http://www.kendall-bioresearch.co.uk/

Infography - Insect Behavior  
   List of sources recommended for the study of insect behavior.
   http://www.infography.com/content/601008566841.html

Insect Identification and Natural History  
   Entomology course site from the University of Nebraska-Lincoln.
   http://entomology.unl.edu/lgh/insectid/

David Young: Acquiring the Friedrich Tippmann Collection  
   Exhibit of selected volumes from the NCSU Libraries' collection of entomological literature, pertaining to the history of science from the Pre-Linnean period through the 19th and early 20th centuries.
   http://www.lib.ncsu.edu/archives/exhibits/Tippmann/index.html

University of Alberta Entomology Collection  
   Searchable database of the E.H. Strickland Entomological Museum, with photographs of many specimens.
   http://www.entomology.ualberta.ca/

Pherobase  
   Extensive database on insect pheromones and semiochemicals.
   http://www.pherobase.com/

Texas Entomology  
   Mike Quinn's site with extensive links to general entomology and Lepidoptera-specific resources.
   http://www.texasento.net/