Unusual Fly on Yellow Flowers

Unusual Fly on Yellow Flowers

Observation - Unusual Fly on Yellow Flowers. Description: I saw this unusual fly (a few of them actually) on this one bunch of yellow flowers. Never seen it before, only ever seen them on this particular flower. Would love to know what sort of fly it is!

I saw this unusual fly (a few of them actually) on this one bunch of yellow flowers. Never seen it before, only ever seen them on this particular flower.

Would love to know what sort of fly it is!