A celebration of all things insect

Organised by the Royal Entomological Society, and supported by partner organisations throughout the UK and Europe, Insect Week is a celebration of all things insect.

Wherever you live, it’s an opportunity to take part in insect science, get to know insects, learn from experts, and have fun.

Insect Week 2025 will take place on 23-29 June. 

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INSTAR – Magazine for Young Entomologists

A digital magazine for young entomologists. Find out more about insects and those people who study them.

Read INSTAR

Wear Insect Week!

To help you share your love of insects, we have brand new designs to inspire your wild actions this June.

Shop Insect Week

Rosie Key with family at Insect Festival Bristol 2019 Credit Stefano Dalcanale / RES
Events
This is a highly detailed stacked image of a living gnat ogre photographed in the field. A green background card was placed behind the subject to help with exposure on the tiny subject.
Art and Photography
A fire ant is crossing at full stretch between two mossy stones
Discover insects
Treehopper on a vine leaf
Learning resources
Oblong-winged katydids, Amblycorypha oblongifolia, in flight.
Submit an event for inclusion on the Insect Week website
Two black and yellow moths on a white and yellow flower
Partnership enquiry
Material badges for Incredible Insects challenge badge
Incredible Insects badge

Did you know?

Chan’s megastick

The longest recorded insect is Chan’s megastick, a stick insect species from Borneo which can be up to 56.6cm long.

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Fleeting mayflies

Adult mayflies may live for only a few days and females of Dolania americana live for just a few minutes

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Craftiest

Some moths evade bat echolocation by falling fast, ‘shouting’ back, sound warnings of poison and mimicking each other.

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Competitions

The Royal Entomological Society runs annual insect photography and art competitions for non-professional artists and photographers dedicated to the wonder and beauty of insects.
Get involved
The 2025 Photography Competition is now open. Enter your best three insect photos for your chance to win. Enter now.  

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