© Kenny Cro
National Insect Week returns in 2020
Basic information about some of Britain's commonest spider species.
Free to download and print from the British Arachnological Society website.
British Arachnological Website
National Insect Week encourages people of all ages to learn more about insects.
Every two years, the Royal Entomological Society organises the week, supported by a large number of partner organisations with interests in the science, natural history and conservation of insects.
Discover insects now
Adult mayflies may live for only a few days and females of Dolania americana live for just a few minutes
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