The nuisance posed by mosquitoes in the Netherlands has increased sharply since mid-August, according to researchers at Wageningen University, de Telegraaf reported on Tuesday. "Compared to the late summer period three years ago, this increase is clearly visible," remarked insect expert Sander Koenraadt from Muggenradar.nl. "A few years ago, this group reported very little nuisance during this time, but now …