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Published August 15, 2013, 12:00 AM

A mosquito is examined

A culex tarsalis mosquito is examined under a powerful microscop by Grand Forks, N.D. mosquito control lab supervisor Todd Hanson on Thursday Aug. 15, 2012 as its image is displayed on a computer screen in the background. Hanson is looking for a white band on insects proboscis that identifies it as a culex tarsalis.JOHN SETNNES/GRAND FORKS HERALD
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