Nature Notes #38 (appendage)
During my saunters through the luxurious vegetation that Frodsham Marsh has lots of, I came across two small flies with patterned wings. I’m sure that I’ve seen them before but have never stopped to look properly.
The first was on Creeping Thistles and as I tried to get some photos, it kept hiding on the far side of the stems and flowers, well aware of my presence. Mainly yellow/orange with green and reddish eyes and patterned wings, it turned out to be a thistle specialist, Xyphosia miliaria. The fly causes galls on thistles. It has no common name which is a pity. If anyone is looking for an English name may I suggest ‘Thistle Gall Fly’?
A similar looking fly, yellowish with red and green eyes, but more banded wings, was feeding on Hogweed. Although not easy to identify with 100% certainty, this is probably Banded Burdock Fly Terellia tussilaginis.
Banded Burdock Fly Terellia tussilaginis
Written and images by Tony Broome