CABINET OF CURIOSITIES

In late summer little insects called picture-winged flies lay their eggs in the inflorescences of knapweed  and ......

In summer tiny picture-winged flies, similar to this one although not the same species, lay their eggs amongst the florets of knapweed ...

I found this female picture-winged fly lurking on a sycamore above a patch of creeping thistle yesterday, so by dint of association and th...