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110 days to go to Insect Week

Stoneflies

ORDER: PLECOPTERA

(Ancient Greek - pleco = folded or braided ; pteron = wing)

Aquatic insects that live in running water as larvae.

 

Insects in this order

  • Predatory Stonefly

     © Roger Key Diura bicaudata male Stoneflies are freshwater invertebrates and most species live in fast flowing upland freshwater. Nymphs require highly oxygenated and unpolluted water, their presence is therefore an indicator of good water quality. More than 30 different species of stonefly...

What is Insect Week?

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.

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News

Insect Week 2021
Winners of 2020 National Insect Week Photography Competition
Great Bug Hunt 2020 winners
National Insect Week 2020 Photography Competition Open
National Insect Week 2020 is Here!

Did you know?

Most poisonous

There are lots of contenders here – possibly the pretty red and blue rove beetle Paederus – very, very tiny amounts of its poison have been used to cure chronic ulceration in people. Ladybirds are pretty poisonous (and pretty) and can bleed foul-tasting poisonous brightly coloured blood from their knees.