Floatstinger

 The Floatstinger is the mature form of the Twinfeeler Although it takes the appearance of a giant moth, the Floatstinger's attacks consist of spewing poison gas at long-range and jabbing its stinger at short-range - features uncharacteristic of moths. It is usually recommended to attack the Floatstinger at a distance with firearms. Its death brings about a shift from the Otherworld back to the Fog World.