Thriving lichen-loving moth is an exception to the rule

Letter 31 Aug United Kingdom

Mark R Shaw says airborne pollutants have caused a massive decline in insect numbers, in response to a Country Diary Nigel Brown’s understandable joy in finding a rosy footman in his moth trap ( Country diary, 25 August ) ends with “an important ecological message” that the substantial elimination of airborne sulphur dioxide pollution, which was devastating to the lichens and algae on which c

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