UKtransect discussion egroup for butterfly transect walkers and those using the computer software Transect Walker (available free from Butterfly Conservation).
Ukmoths - discussion egroup for moths. On this, UK-Leps and ukmicromoths, if you use a digital camera (or digitise your slides) you can upload your pictures onto the website and get a same day identification of any of your doubtfuls or unknowns from one of the many experts on the group.
UK-Leps - discussion egroup for Lepidoptera but especially butterflies.
Ukmicromoths - discussion egroup for micromoths
Cammoths - Discussion group for moths AND butterflies of Cambridgeshire.