Insects react sensitively when temperature and precipitation deviate from the long-term average. In an unusually dry and warm winter, their survival probabilities are reduced; in a wet and cold spring, hatching success is impaired. A cool, wet summer hampers bumblebees and other flying insects to reproduce and forage.
Reported sightings of the red admiral butterfly species have reached 170k this season as the UK remains warm because of climate change. Read more here.