Gathering tomatoes or other fruits of the garden might not sound like a dangerous occupation, but with terrorism running rampant these days, even a walk thru the garden can require pre-emptive measures. In fact if you left the screen door open for a minute or so and heard a whiny frequency accompanied by a slight tickle it may already be too late, if that slight tickle was the allergic reaction of your skin cells to the Culex, Aedes or Anopheles mosquito, one of the several species that prefe.