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National Insect Week returns in 2020

British Arachnological Society

British Arachnological Society

The BAS is Britain's only charity devoted exclusively to the study and understanding of arachnids. Here you can find information on all things arachnological. Our emphasis is on British spiders but we also include other arachnids, particularly Harvestmen (opilionids), Pseudoscorpions and Scorpions

Did you know?

Most diverse

In UK ants, wasps, bees & sawflies (Hymenoptera) have 6000+ species, just beating true flies (Diptera) at 5000+.

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