The invertebrate conservation charity is asking the public in England, Northern Ireland, Scotland and Wales to vote for their favourite bug.
Each nation has a shortlist of four very different invertebrates to choose from, including rare species such as the fen raft spider and wart-biter bush-cricket.
The fen raft spider is the largest spider species in the UK, and is on the shortlist for Wales © Steven Falk
The green tiger beetle is on the shortlist for Scotland © Roughcastle
The winning invertebrate from each nation will feature on the new membership leaflets.
The shortlists are:
- England: green shieldbug, long-horned bee, seven-spot ladybird, wart-biter bush-cricket
- Northern Ireland: Irish damselfly, northern colletes, white clawed crayfish, zircon reed-beetle
- Scotland: freshwater pearl mussel, green tiger beetle, pine hoverfly, red mason bee
- Wales: ashy mining bee, black oil beetle, fen raft spider, hornet robberfly
Voting is open until 4 June, find out more on the Buglife website.