Numerous recent sightings of a moth that became extinct in the UK in the 1960s, suggest that it has recolonised and is now breeding across southern Britain.   The Clifden Nonpareil, whose name means ‘beyond compare’, is one of the largest and most spectacular moths native to our shores.   With a wingspan that can reach almost 12cm and a bright blue stripe across its black hindwings (which gives rise to an alternative name of the Blue Underwing), this…