Here are some of our favourite photos from 2016.
Early bumblebee - spotted by Joanne Holland in Newcastle
Common carder bee - spotted by Andrea Wilson in Brecon Beacons
Red mason bee - spotted by Rachel Norris in Portsmouth
Early bumblebee - spotted by Faron McLellan in Aberdeen
Early mining bee - spotted by Mark Redford in Warrington
Honey bee - spotted by Sarah Freeman in Portsmouth
Buff-tailed bumblebee - spotted by Carl De Groot in Uxbridge
Ashy mining bee - spotted by Carol Jull in Woking
Heath bumblebee - spotted by Sally Anne Young in Gloucestershire
Broad margined mining bee - spotted by Rose Stephens in East London
Garden bumblebee - spotted by Lyn White in Suffolk
Ashy mining bee - spotted by Kate Evans in Bristol
Buff-tailed bumblebee - spotted by Gareth Jones in North London
Bumblebees - spotted by Phil Morris in Leeds
Blue mason bee - spotted by Michelle Butler in Northamptonshire
Red-tailed bumblebee - spotted by Maria Davis in Didcot
Early bumblebee - spotted by Tony Putman in Kent
Buff-tailed bumblebee - spotted by Heidi Shaw in South London
Ashy mining bee - spotted by Sophie Hutchinson in Hampshire
You also spotted plenty of 'bee mimics' - insects that imitate bees - like this lilttle one.
Narcissus bulb fly - spotted by Amelia Collins in South London
Which plants created a buzz?
Share your tips, so we can include new plants on our app next year.