Garter Belts Stylish Options in Leather, Brown, Red & More Luna moth warming up for take off!, Did you know moths will vibrate their wings to warm up their flight muscles? If the temperature isn't quite high enough, #butterflies and #moths need to warm up to Rosso Garter Belt Frulein Kink Butterfly Wings Direct Solar Energy Biological Strategy AskNature Why do monarch butterflies shiver? They do this to increase their body temperature by warming their muscles so they can take flight., Photo Courtesy of Community Member Julie Bthanks Julie!