411 REFERENCE · Wiktionary
London Underground mosquito
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named for biting people as they slept in the London Underground railway system during the Blitz, though it has a worldwide distribution and long predates the existence of the London Underground.
Noun
London Underground mosquito + es
Culex pipiens f. molestus form, a kind of mosquito.