If you want a picture of a bee on an Oregano flower, you won't have to wait very long!
Here's a bee of some sort visiting a bean flower. I'm afraid I'm not much good at bee-recognition, so I can't say what type of bee it is.
And here's a sequence showing a different type of bee foraging amongst the Asparagus flowers.
The Ladybirds are quite numerous too this year, and they are earning their keep by grazing on the aphids.
Oops, be careful!
Most of the butterflies I have seen this year have been Small Whites, with the occasional bright yellow Brimstone - and this solitary Gatekeeper:
How many Hoverflies have you seen this year? Normally during August my garden would be full of them, but this year I have only seen a very small number of them.