And a big thanks to the teams @UK_CEH , @JNCC_UK , @savebutterflies and @_BTO who help to run the scheme

We're thrilled to share this film featuring some of the dedicated volunteers who monitor butterflies for the UKBMS. A huge thank you to them, and everyone who's supported the scheme over the last 50 years. #UKBMS50 https://t.co/yviuN91Zpv

🎉 Just 2 days to go until the UKBMS 50th Anniversary Conference! There's a great programme lined up - https://t.co/Hmd6U5jOTD and we can't wait to welcome the volunteers, researchers and butterfly‑enthusiasts from across the UK. Last chance to book https://t.co/FVFfAY699g

With under 2 weeks until the UKBMS 50th Anniversary conference we're sharing details of the talks and speakers. Our very own Ian Middlebrook, Programme Lead for the UKBMS, will run an optional workshop on the UKBMS website. Book your free place here ⬇️ https://t.co/aq8gVuMjZ6

The UKBMS 50th Anniversary conference is less than two weeks away. Joe Cooper from the BTO will discuss using UKBMS data to enhance housing development designs. Book your free spot here: https://t.co/aq8gVuMjZ6.

....and thats a wrap! Today is the last day to carry out a survey for the 'core' UKBMS survey weeks. 🤞 the weather has been good enough to fit in your final survey. Don't forget to get all your data entered by the END OF OCT, otherwise it may not be included in the analysis

With 2 weeks until the UKBMS 50th Anniversary conference we're sharing details of the talks and speakers. Dr Richard Fox from Butterfly Conservation will discuss the use of the UKBMS data on research - it'll be fascinating! Book your free place here ⬇️ https://t.co/aq8gVuMjZ6

With 2 weeks until the UKBMS 50th Anniversary conference we're sharing details of the talks and speakers. We're pleased to welcome Cristina Gonzalez Sevilleja from the European Butterfly Monitoring Scheme. Book your free place here ⬇️ https://t.co/aq8gVuMjZ6

With 2 weeks until the UKBMS 50th Anniversary conference we're sharing details of the talks and speakers. Fist up, Prof. David Roy from @ukceh will be giving the keynote talk looking back at the last 50 years of the UKBMS Book your free place here ⬇️ https://t.co/aq8gVuMjZ6

Week 26 is the last 'core' week of the survey. But if conditions and the weather allow then you can carry on your survey for a few more weeks. With such a bumper year, perhaps there's lots more exciting sightings to be made during these late weeks........

Its week 26, the final week of our 50th survey season! 🎺 🎉 🦋 🥳 A HUGE thank you to all the fantastic volunteers for walking transects, recording butterflies and entering data this year. You have made an incredible contribution to our understanding of butterfly populations

Celebrating 50 years of the UK Butterfly Monitoring Scheme! 🎉 Join us for a day of butterfly talks, workshops and a celebration of volunteer citizen science. Book your free place 👉 https://t.co/hGr2ev4k48 📸: Iain H Leach #UKBMS50 @UKBMSLive

Today marks the start of week 25! It's penultimate week of the UKBMS with just two more surveys remaining (though you can carry on longer if desired!) Its a good time to review your data, check everything has been entered correctly and congratulate yourself for your efforts!

One month to go until the UKBMS 50th Anniversary Conference! Are you joining us? https://t.co/TTCGLpQJt2 #UKBMS50

Week 24 starts today! Do you need any help entering your data? We have great videos and resources that walk you through it how to do it. You'll find them all on the UKBMS our website here: https://t.co/p3wi7T6E0v

Its week 23 of the UK Butterfly Monitoring Scheme! September is here and we're into the last month of the survey. Some summer species may no longer be on the wing, but as we're having a bumper year, keep an eye out for second (or even third) broods of some species.

We would like to say a big THANK YOU to all the volunteers who contributed to the Wider Countryside Butterfly Survey this year!!! 🎉 👏 🦋 The survey period ends today, be sure to enter all your data to the UKBMS website by the end of Oct. @BBS_birds

If you're participating in this years Wider Countryside Butterfly Survey, you have THREE DAYS to complete your final survey if you've not already done it. The window for this survey closes at the end of August. Thanks all! Full details here: https://t.co/IgIas6Dv1q @BBS_birds

Wider Countryside Butterfly Survey participants – there are just 5 days until the survey period ends. The WCBS wraps up at the end of August, so be sure to complete your final survey if you haven't done so already. Full survey method here: https://t.co/IgIas6Dv1q @BBS_birds

Not that long ago in August Buddleia's could be covered with Small Tortoiseshells (A urticae, kleine vos). On eBMS transects and 15min counts ( https://t.co/NJemgKM0hw) this butterfly is now restricted to higher elevations or latitudes. Open squares=counted in that period.