A popular site

http://www.myrmecology.org

Another popular site

http://www.antcolony.org

Ants of Arizona: superb photographs!

http://www.tightloop.com/ants/

Ants of Asia

http://www.antbase.net/

Ants of Japan: a must!

http://ant.edb.miyakyo-u.ac.jp/E/index.html

Ants of South Africa

http://www.museums.org.za/bio/ants/

Ants of the world

http://www.antweb.org/index.jsp

Asociación Ibérica de Mirmecología

http://www.mirmiberica.org

Army ants

http://www.armyants.org/index.html

Australian ants

http://www.ento.csiro.au/science/ants/default.htm

Fire ants

http://fireant.ifas.ufl.edu/

John Longino's page

http://www.evergreen.edu/ants/

Many other ant links

http://www.museums.org.za/bio/aarg/antlinks.htm

More on Iberian ants (in Spanish)

http://www.lamarabunta.org/formicidae/

New Zealand ants

http://www.landcareresearch.co.nz/research/biosecurity/stowaways/ants.asp

North American ants

http://www.utep.edu/leb/antgenera.htm

On Iberian ants (in Spanish)

http://www.hormigas.org/

On invasive ants

http://home.sandiego.edu/~tmcglynn/exotic.htm

On plant-invasive species

http://tncweeds.ucdavis.edu/links.html

The French Section of the I.U.S.S.I.

http://www.univ-tours.fr/desco/UIEIS/UIEIS.htm

Vast quantity of information

http://research.amnh.org/entomology/social_insects/