Food after flood?

Photograph courtesy Russell Watkins, U.K. Department for International Development

Spiders suffocating trees in hope of mosquitos.

Source : http://news.nationalgeographic.com/news/2011/03/pictures/110331-pakistan-flood-spider-trees-webs/#/pakistan-floods-drive-spiders-into-trees-overview-mosquitoes_34031_600x450.jpg