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. 

Read more about us

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

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.

Ommatidia

Dragonfly compound eyes are made of up to 30,000 separate facets or ‘ommatidia’.

Fleeting mayflies

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

Competitions

The 2024 Competitions are now closed.

Thank you to everyone who entered. We look forward to announcing the results in 2025!