Creating Optimal Conditions
Use a long-handled aerial net with a wide opening. Select an aerial net that is 18 inches (46 cm) in diameter or larger. Look for one with a nice long handle. If possible, choose a dark-colored net over a light one. Darker nets are more difficult for dragonflies to see, making the net more difficult to avoid. Aerial nets (also called butterfly nets) can be purchased at most sporting goods stores or online.
Practice swinging with 1 or both hands. Before you head out into the field, try to get a feel for your net. Try holding the net with both hands (like a baseball bat) and swinging it. Try holding the net in just your dominant hand. See which way feels more comfortable for you. A 2-handed swing can give you more power, which may make it easier to catch dragonflies.
Visit a lake, pond, or river. Dragonflies can be found on every continent except Antarctica. These insects enjoy being near water. Some varieties of dragonflies prefer moving water, while others are drawn to standing water. Visit a place where there is water, preferably where you have seen dragonflies in the past.
Position yourself in a concealed location. Locate your body so that you are obscured by tall grasses, trees, or other natural features. Remain still and keep your net as inconspicuous as possible. Try holding it behind your back or next to your leg, so that any dragonflies do not notice it. Try to find a comfortable position. This can help you to stay still.
Observe the dragonflies. Dragonflies will often fly in repeating patterns and even land on the same natural features over and over. Spend some time watching them fly and try to get a sense of their flight patterns.
Capturing a Dragonfly in Your Net
Move slowly and deliberately. Alter your position so that you can swing your net into the cycle of a dragonfly’s flight pattern. Move smoothly and carefully to avoid disturbing the dragonflies. Continue to keep your net concealed for as long as possible. (They can get spooked if they see a net.)
Swing from behind. If a dragonfly sees a net approaching, they are likely to change direction. To avoid this, swing at dragonflies from the rear. This means you will be moving your net in the same direction they are flying. It will likely take several tries to capture a dragonfly. Just try to have fun with the process!
Transfer your dragonfly into a glass jar. Use your hand to gather the net above where the dragonfly was collected. Place the gathered section above a wide-mouthed glass jar. Turn the net inside out to deposit the dragonfly in the jar, and replace the lid. Be sure to poke a few small holes in the lid ahead of time.
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