Company selling pest control products offers information pages on many insect and rodent pests and methods of controlling them. http://www.bugclinic.com/
Professional mole trapper provides information on mole behavior, ecology, and control. Illustrated articles, FAQ, listing of several other US trappers by state. http://www.themoleman.com/
Informational site by RISE, an association of specialty pesticide and fertilizer producers. Articles, news, FAQs and links to other resources. http://www.pestfacts.org/
Purdue University lab provides identification of pests and problems associated with plants. Services extended to businesses and individuals throughout Indiana and the US. http://www.ppdl.purdue.edu/
University of Nebraska organization offers information on identification and control of mammal, bird, and reptile pests, a business registry of wildlife services, and links to other university resources. http://wildlifedamage.unl.edu/
Information from Ohio State University about habitat, diet, biology, and control of the common rabbit. Includes lists of plants arranged by extent of rabbit damage. http://ohioline.osu.edu/hyg-fact/1000/1031.html
Mostly informational site about tree health, including pages on common pests, dealing with soil compaction, and mycorrhizal and fertilizer treatments. Also contact information for professional arborists in the US. http://www.treedoc.com/
Collection of links to fact-sheets (some html, some PDF) on a variety of pest topics, covering house and food products to lawn and garden. http://ohioline.osu.edu/lines/pests.html
Site selling a Bait Station System also provides useful information on voles, their habits, habitat, and life cycle, identification, and help locating their burrows. http://www.volecontrol.com/
Knowledge base for the nursery industry provides an extensive series of factsheets on insect and nematode pests, viral and fungal diseases, and environmental problems. http://www.growit.com/Probs/
A collaborative effort of several US universities collecting pesticide information profiles, toxicology information briefs, and other factsheets and newsletters. http://extoxnet.orst.edu/
Large collection of information sheets on insects, arachnids, and nematodes of importance to Florida residents, arranged by common name, scientific name, and crop or habitat. http://creatures.ifas.ufl.edu/