Coleoptera: Beetles and Weevils
- The characteristics of these insects, their life cycle, feeding and habitat, with illustrations.
- http://www.ento.csiro.au/education/insects/coleoptera.html

The Click Beetle Dismantled
- Photographic study by Wim van Egmond of this beetle, family Elateridae, and how it rights itself when turned on its back.
- http://www.microscopy-uk.org.uk/mag/artdec05/click.html

Coleop-Terra
- High-quality color photographs of various species of beetle from round the world.
- http://www.coleop-terra.com

Chris Schuster - Pictures of Beetles (Coleoptera)
- Photos of beetles native to Germany, subdivided by family.
- http://www.chris-schuster.com/Beetles

Josef Hlasek - Beetles of Europe
- Over 1000 photos of beetles of Europe, identified to species and subdivided by family (Carabidae, Elateridae, Buprestidae, Scarabaeidae, Cerambycidae, Chrysomelidae).
- http://www.hlasek.com/ccbrouci1an.html

Tenebrionidae.net
- Site for specialists in this highly variable family of the Tenebrioidea. Includes photos of specimens, classification, literature database, and list of researchers.
- http://www.tenebrionidae.net/

North American Byrrhidae
- Taxonomy and biodiversity of this family of beetles.
- http://nathist.sdstate.edu/smircol/Byrrhidae/byrrhidae.htm

Beetle Breeding
- Photo gallery of over 140 species and information about breeding beetles.
- http://www.harink.com/~benjamin/

Project Elater
- Taxonomy and biodiversity of the Elateroidea (click beetles and relatives) in the families Elateridae, Throscidae, Eucnemidae, and Cerophytidae.
- http://nathist.sdstate.edu/smircol/elateridae.html

Chironomidae and Water Beetles of Florida
- Information on Chironomidae and water beetles, checklists for Florida, North and South Carolina; information on how to obtain identification manuals.
- http://home.earthlink.net/~johnepler/

Coleoptera
- Extensive information about the phylogenetic relationships of beetles by David R. Maddison. From the Tree of Life project.
- http://tolweb.org/tree?group=Coleoptera&contgroup=Endopterygota

Beetles by A. Bochdansky and M. Kriftner
- Beetle photos, games, and animations.
- http://www.source.at/beetles/

Living Jewels
- High-quality color photographs of diverse species of beetles by Poul Beckmann. Book and posters for sale.
- http://www.living-jewels.com/

Coleoptera of Russia
- Information on hundreds of species of beetles occurring in the former USSR, including, type locality, synonyms, range, distribution and variation, taxonomic notes, habitat and biology, similar species, and photo of adults.
- http://osipov.org/insects/col.htm