I took note of the BBC forecast last night and let the moths and the trap lie. This was prudent as this morning we woke to the patter of rain and there had clearly been more overnight.
Then, as we entertained cousins to tea, Penny spotted another explorer: this caterpillar on my collar. She caught it just as it made a bid to plunge inside my shirt and so here it is again, on her pearl-tipped finger's top.
I am closeted with my Caterpillar Bible. Update: the sagacious Dave in Comments suggests a sawfly and I'm pleased about that because the nearest I could find in the said Bible was a Pine Sawfly, though I didn't dare commit myself.