invasion -Asian tiger mosquito

Experts working for the Department for Environment, Food and Rural Affairs (Defra) have identified 9 alien species on the verge of invading Britain. The experts are most concerned about is the Asian tiger mosquito which is larger than most – up to 1cm long – and bites in the day, rather than just in the evening.
www.telegraph.co.uk/earth/environment/climatechange/, 7 Jun 2009