Arachnids

“I excel at pulling strings!” said Arachne. “I’m a spider!”― Rick Riordan, The Mark of Athena. 

There are more than 47,000 species of spider worldwide, 670 of which are found in Britain. The largest spider found in the UK is the Cardinal Spider (Tegenaria parietina). Male examples have been recorded with an impressive 12 cm leg span.

National Links

Link Info
British Arachnological Society The UK's only charity devoted to the study and enjoyment of spiders.
British Spider Identification Group Facebook group specifically for the identification of UK spiders.
Horrid Ground Weaver Project 'Buglife' project to save this spider, one of rarest invertebrates in the UK.
Ladybird Spider Project A 'Back from the Brink' project to save this spider from extinction.
Opiliones (Harvestmen) UK Information & species accounts of UK harvestman.
Pseudoscorpions Information and species accounts of UK pseudoscorpions.
Pseudoscorpions Recording Group Recording information on pseudoscorpions.
Rossacs Sac Spider Project 'Buglife' project to conserve one of the UK's rarest spiders.
Spider & Harvestman Recording Scheme Information about how to record & submit spider & harvestmen records.
Spider Families of Britain & Ireland Taxonomic list, descriptions & interactive key for identification.
Spider Galleries Steven Falks photo galleries of UK spiders (Flickr)
Spider Galleries 2 Jason Steel's UK spiders pages.
Spider ID Online Identification project. Extensive and growing number of member submitted photographs.
Spiders in your Home Identification of common spiders found in UK homes.
UK Spiders Facebook Page Social media exchange of spider & harvestman info and photos.

 

Yorkshire Links

Link Info Region
Spiders of the Dales Page under development at time of writing N & W.Yorks
Spiders & Harvestmen Interest Group Special interest group of the Yorkshire Naturalists Union Yorkshire
Yorkshire Spiders A collection of reports of spider species recorded at several Yorkshire nature reserves. Yorkshire