Here are some helpful places to help identify a variety of species - very much a mish-mash of sites and a work in progress. More will be added...
SNAILS and SLUGS
http://www.conchsoc.org/aids_to_id/id1.php
EARTHWORMS
http://www.nhm.ac.uk/nature-online/science-of-natural-history/science-at-the-museum/earthworm-survey/index.html
FUNGI
http://www.leifgoodwin.co.uk/Title%20Page/MainPage.html
http://sxbrc.org.uk/news/waxcaps
BEETLES
http://elateridae.co.uk/
http://www.habitas.org.uk/groundbeetles/index.html
http://markgtelfer.co.uk/beetles/
HEMIPTERA (True bugs)
http://www.britishbugs.org.uk/index.html
BEES, WASPS, ANTS
http://www.bwars.com/Gallery.htm
http://www.bumblebeeconservation.org/bumblebees_id.htm
LADYBIRDS
http://www.ladybird-survey.org/downloads/Ladybird%20descriptions_Info%20pack_2006_v.1.3.pdf
DIPTERA
http://www.diptera.info/news.php
SPIDERS & HARVESTMEN
http://wiki.britishspiders.org.uk/index.php5?title=Main_Page
FLORA
http://www.british-wild-flowers.co.uk/
http://www.ukwildflowers.com/
MOTHS
http://ukmoths.org.uk/
LICHENS
http://www.britishlichens.co.uk/
EVERYTHING!
http://www.bioimages.org.uk/
http://www.gardensafari.net/index.htm
http://www.wildaboutbritain.co.uk/
http://www.naturespot.org.uk/home
