The ECN Data Centre

Climate Change Indicators - Peak Flight Time of the Common Footman Moth

The Common Footman moth (Eilema lurideola) is a widespread species in the UK. The timing of insect activity is very weather dependant and butterflies are most active when conditions are warm. Warmer temperatures also result in earlier flight times and the peak flight time of the common footman moth has been shown to be negatively related to mean May to July temperatures. The graphs below show the mean flight time (expressed as a day number for the year) of the common footman moth at ECN's sites and the mean May-July temperature at ECN's sites. A lower day number would indicate that the Common Footman moth was active earlier in that year.












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