OK, I accept that there is a distinct absence of drugs and rock & roll, but there’s definitely some sex. I was watering the garden a couple of days ago and saw a movement on the hose.  Looking closer I realised it was a pair of mating Scarlet Tiger Moths.  They get their name from their bright red underwings.   I rushed off and set up my flash diffuser and macro lens, hoping they would still be there when I came back; they were. I had to lie on the ground in a quite uncomfortable position to get the shot, but we suffer for our art don’t we?  I was able…