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It’s the height of summer, and naturally we’re going on hikes, camping trips and hanging out in our backyards. And the mosquitoes are loving it.

On warm weather days around dusk and dawn, mosquitoes come out to play and bite unsuspecting humans everywhere (some people are actually genetically predisposed to attract mosquitos, according to one study).

According to Jonathan F. Day, a professor of entomology at the University of Florida, mosquito bites happen when a female mosquito probes the skin with her mouth and finds a capillary bed — meaning a network of capillaries that supply blood flow to veins and arteries — close to the skin’s surface.

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Added a red gradation Best viewed large.

Added a red gradation Best viewed large. |tanakawho/Flickr

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Click link below for story and charts:

http://www.huffingtonpost.com/entry/how-to-know-when-your-itchy-mosquito-bite-is-something-more_55a472f0e4b0a47ac15d4631?ncid=txtlnkusaolp00000595

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