
Orthoptera and Dermaptera
A photo-based guide to the grasshoppers, groundhoppers, crickets, bush-crickets and earwigs of central and northern Britain and Ireland.
A photo-based guide to the grasshoppers, groundhoppers, crickets, bush-crickets and earwigs of central and northern Britain and Ireland.
A handy photo based guide to freshwater leeches in Britain and Ireland, enabling identification of live animals in the field.
A photo-based guide using the visual appearance of the whole insect for identification. For naturalists and enthusiasts, including moth trappers.
Plant galls AIDGAP (3rd edition) contains around 300 keys to galls on plants in Britain.
Land snails AIDGAP is an identification guide to all 100 free-living terrestrial snails in Britain. Four keys provide different routes to identification.
Springtails AIDGAP is an identification guide to all species of adult springtails (Collembola) in Britain and Ireland.
Grasses AIDGAP is a vegetative key to 90 of the most common species in Britain and Ireland.
Freshwater snails AIDGAP is an identification guide to over 50 species in Britain and Ireland, covering all gastropod molluscs found in still and flowing fresh water.
Ferns AIDGAP covers the 59 species of fern, 6 clubmosses, 3 quillworts and 8 horsetails found in Britain and Ireland. Third edition.
Earthworms AIDGAP covers all earthworm species found living freely in the UK and Ireland. This 2nd edition also includes a key to glasshouse earthworms.
Sphagnum mosses AIDGAP is an accessible field key to all 36 species in the UK and Ireland. It is particularly useful for identifying poorly developed specimens, growing in unfavourable conditions or early in the year.
FSC Water plants AIDGAP is an identification guide to all larger plants found in fresh water, including emergent plants. Now updated to Stace (4th edition).
Terrestrial invertebrates AIDGAP is an identification guide to the larger (>2mm length) invertebrates found on land in Britain and Ireland.
Freshwater invertebrates AIDGAP is an identification guide to the invertebrates found in ponds, lakes, streams and rivers in Britain and Ireland.
Spiders AIDGAP is an identification guide to the 34 families of spiders in Britain. Two spider identification keys are presented, enabling alternative routes to identification.
FSC Caddis larvae AIDGAP covers all caddis larvae in Britain and Ireland. It takes identification to species level for living specimens in the field.