These blackflies sure are bad,” an American tourist said to Henry, the Canadian park ranger at the Banff National Park. “Wait ’til the mosquitoes come,” Henry said. “Y’all get mosquitoes?” the tourist asked. “Plenty,” said Henry. “How long do they last?” he wondered. “Until the snow flies,” Henry told him. “Oh,” the tourist replied. “Y’all get snowflies?”
see also Camping & Mosquito Sections Mosquito Hordes Super Size Mosquito Sweet Dreams