a common water strider gerris lacustris on a green water surface

animal aquatic bug bugs cassius closeup common critter devouring effect gerridae gerris green group hemiptera heteroptera hydrophobic insect insects invertebrate lacustris lepidoptera liquid macro nature pond predator predatory reflection skater skeeter skeeters skimmer skipper small strider striders striding surface swimming tension velia walk water waterbug wild wildlife winged