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.
INSTAR – Magazine for Young Entomologists
A digital magazine for young entomologists. Find out more about insects and those people who study them.
Wear Insect Week!
To help you share your love of insects, we have brand new designs to inspire your wild actions this June.
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.
Craftiest
Some moths evade bat echolocation by falling fast, ‘shouting’ back, sound warnings of poison and mimicking each other.
Most diverse
In UK ants, wasps, bees & sawflies (Hymenoptera) have 6000+ species, just beating true flies (Diptera) at 5000+.
