poplar hawk-moth (wingspan up to 90mm) - garden regular
french red underwing (wingspan up to 80mm) - just one, noticed it perched on the wall while playing ping pong in france
eyed hawk-moth (wingspan up to 80mm) - caught in a friend's garden
oak eggar (wingspan up to 75mm) - in a campsite restroom in france
old lady (wingspan up to 65mm) - garden regular
swallowtail moth (wingspan up to 50mm) - garden regular
and as a bonus, here's a few monsters we do get here which i've never seen but always wanted to:
death's head hawk-moth (wingspan up to 120mm) - had to start with this motherfucker, which aside from looking terrifying also a) squeaks and b) when it raids bee nests for honey the bees part for it like it's some kind of insect god
convolvulus hawk-moth (wingspan up to 120mm)
privet hawk-moth (wingspan up to 120mm)
oleander hawk-moth (wingspan up to 130mm)