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Insects
Small arthropod animals of the class Insecta with bodies in 3 segments (head, thorax, and abdomen). They have 3 pairs of legs, 2 antennae, and usually one or two pairs of wings. Includes flies, mosquitoes, beetles, butterflies, bees, crickets, and dragonflies.
Subtopics:
Bees and wasps (3 items)
Butterflies and moths (3 items)
Related topics:

Results 1 - 20 of 20 listed alphabetically [list by similarity]
Apoidea -- Bees and Sphecid Wasps [More info]
Guide to the identification, biology, and ecology of bees and sphecid wasps, mostly in eastern North America.
Biological resource status and trends: Coleoptera (beetles) [More info]
Information concerning status and trends of biological resources, focusing on Coleoptera (beetles)
Biological resource status and trends: Diptera (flies) [More info]
Information concerning status and trends of biological resources, focusing on Diptera (flies)
Biological resource status and trends: Ephemeroptera (mayflies) [More info]
Information concerning status and trends of biological resources, focusing on Ephemeroptera (mayflies)
Biological resource status and trends: Hymenoptera (bees and wasps) [More info]
Information concerning status and trends of biological resources, focusing on Hymenoptera (bees and wasps)
Biological resource status and trends: Insects [More info]
Information concerning status and trends of biological resources, focusing on Insects
Biological resource status and trends: Lepidoptera (butterflies and moths) [More info]
Information concerning status and trends of biological resources, focusing on Lepidoptera (butterflies and moths)
Butterflies and moths of North America [More info]
Information on species of butterflies in North America with photos, checklists, distribution maps, aids to identification, and references.
Dragonflies and damselflies (Odonata) of the United States [More info]
Manual on dragonflies and damselflies (Odonata), with links to photo thumbnails, checklists, distribution maps, and other Odonata information.
PDF Environmental Monitoring and Assessment Program Western Pilot Project - Conditions of North Dakota Perennial Streams for Water Chemistry and Mercury in Fish Tissue, 2000-2003 [More info]
Sixty-five sampling sites, selected by a statistical design to represent lengths of perennial streams in North Dakota, were chosen to be sampled for water chemistry and mercury in fish tissue to establish unbiased baseline data.
Mayflies of the United States [More info]
Links to checklists and species maps showing the distribution of mayflies in the United States with links to other information websites on mayflies and reference list.
North American Pollinator Protection Campaign [More info]
An effort focused on encouraging the health of resident and migratory pollinating animals in North America. USGS participates in the leadership of this effort.
Patuxent Wildlife Research Center monitoring projects [More info]
Biomonitoring projects studying the status and trends of the nation's environmental resources and programs studying amphibians and birds. Links to long-term programs, resources and references, and related links.
PDF Plague [More info]
History, pathology, and prospects for this historic disease that is still prevalent in animals and remains a threat to humans.
Pollinators, plants, and prosperity [More info]
Six short news articles about ecological problems faced by pollinator species in various parts of the US. Taken from "People, Land, and Water", the newsletter of the Department of the Interior.
Salvinia molesta, Salvinia weevil, Salvinia minima [More info]
Life history and identification of Salvinia species, a floating, rootless tree fern and a noxious aquatic weed. Site includes posters, instructions on submitting sightings, how to subscribe to a listserv on the weed, and a bibliography.
PDF Southwest Caves Reveal New Forms of Life [More info]
These lightless and nutrient-poor natural systems are home to life forms found nowhere else on Earth. Three new genera and at least 15 new species have been discovered here.
Stoneflies of the United States [More info]
Links to checklists and species maps showing the distribution of stoneflies in the United States with links to other information websites on stoneflies and reference list.
Tiger beetles of the United States [More info]
Links to checklists and species maps showing the distribution of tiger beetles in the United States with links to photographs, other information websites on invertebrates, and reference list.
West Nile Virus (WNV) [More info]
National Wildlife Health Center studies the West Nile Virus to learn the current geographic extent, to understand how the virus moves between birds, mosquitoes, and humans, and to predict future movements of the virus.
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