20190610YNP49942019BuzzChironomidaeDave ShumwayEarthExtenstion Tube 30mmGreater Yellowstone EcosystemHatchInsectJuneMidge FliesNational ParkNaturalNatureNonbiting midgesNorth AmericaNorth AmericanSpringSwamUSAUnited StatesWYWildWildlifeWyomingYellowstoneYellowstone Lake