If you are in a sunny place outdoors for 15 minutes, you can count how many of these butterflies you see, then enter the numbers in the chart and submit the info together with the date and your location, at www.bigbutterflycount.org.uk

I have to say so far I have seen NO butterflies when I have sat in my backyard for 15 minutes. Which is unusual. Most summers there are a fair few, mostly large white, red admiral and meadow brown.