Nothing ruins a day at the beach quite like biting flies. And mosquitoes, even worse, can carry disease. Of Long Beach Island’s particularly pesky summertime pests – mosquitoes, greenheads, black flies, gnats – mosquitoes, said Daniel J. Krupinski of the LBI Health Department, “are more of a public health concern, although we have been fortunate in this geographical area to not be at risk for many of the more severe mosquito-borne illness that many other parts of the world experience.