fritillarywith the white admiral but caught up with a group of 5 heath fritillaries and several hoverflies.
mimicry in hoverflies.
One of the hoverflies had an upturned snout indicating the genus Rhingia.
When rare species become endangered: cryptic speciation in myrmecophilous hoverflies.
It seems amazing that such a small brain could be so able to perform the mid-air trickery that hoverflies can.