Oil Nut Bay in the British Virgin Islands reduced two invasive mosquito populations by up to 98 percent using a targeted, nature-based approach.Aerial view of Oil Nut Bay Resort.Credit: Oil Nut BayEven in paradise, a few tiny pests can put a damper on an otherwise idyllic vacation. But at one Caribbean resort, guests can now sip frosty drinks by the pool, enjoy long dinners outdoors, or watch sunsets from the sand—all without swatting away mosqu…