Invertebrates - Terrestrial and freshwater


AES Bug Club
http://www.amentsoc.org/bug-club/

Amateur Entomologists' Society
http://www.amentsoc.org/

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

AntWeb
http://www.antweb.org/

Atropos
http://www.atropos.info/

Bees, Wasps and Ants Recording Society (BWARS)
http://www.bwars.com/

British Arachnological Society
http://www.britishspiders.org.uk/

British Dragonfly Society
http://www.british-dragonflies.org.uk

British Entomological and Natural History Society
http://www.benhs.org.uk/

Buglife
http://www.buglife.org.uk/

Butterfly Conservation
http://www.butterfly-conservation.org/

Carabidae of the World
http://www.carabidae.ru

Inland Invertebrate Initiative
http://www.ukzn.ac.za/redlist/

My Triops
http://mytriops.com

Royal Entomological Society
http://www.royensoc.co.uk/

The Coleopterist
http://www.coleopterist.org.uk/

UK Butterflies
http://www.ukbutterflies.co.uk/

UKMoths
http://www.ukmoths.org.uk/

Worldwide Dragonfly Association
http://ecoevo.uvigo.es/WDA/

Xerces Society
http://www.xerces.org/