The Marmalade hoverfly/Episyrphus balteatus/flyttblomfluga is one of Europe’s most remarkable little…

The Marmalade hoverfly/ Episyrphus balteatus /flyttblomfluga is one of Europe&rsquo;s most remarkable little travellers. Every year, countless individuals migrate between southern and northern Europe. Many fly hundreds of metres above the ground, choosing favourable winds and even compensating for unfavourable ones to stay on course, almost certainly using an internal sun compass. For such a tiny…