Dragonflies in Illinois: identification guide and best places to start
Yes, you can find dragonflies across the entire state of Illinois, especially from May through late September. These agile aerial hunters are most common near still or slow-moving water where they spend their early lives as nymphs. Your best odds for a sighting are near ponds in state parks, slow streams, or even your own backyard if you have a water feature. Look for the bright blue and green Common Green Darner and the neon-colored Eastern Pondhawk on sunny afternoons. Start at Chain O'Lakes in the north or Crab Orchard in the south for reliable and frequent sightings.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.
- 8
- species recorded
- June, July, August
- peak months
Real sighting data, source iNaturalist
48,951 verified observations on iNaturalist of dragonfly have been recorded in Illinois, most often in June, July, August.
When dragonfly are recorded in Illinois
Yes, you can find dragonflies across the entire state of Illinois, especially from May through late September. These agile aerial hunters are most common near still or slow-moving water where they spend their early lives as nymphs. Your best odds for a sighting are near ponds in state parks, slow streams, or even your own backyard if you have a water feature. Look for the bright blue and green Common Green Darner and the neon-colored Eastern Pondhawk on sunny afternoons. Start at Chain O'Lakes in the north or Crab Orchard in the south for reliable and frequent sightings.
1. Where Are You Most Likely to Notice Dragonflies in Illinois?
Dragonflies stick close to water because it is where they hunt and reproduce. The best spots are shallow ponds, slow streams, and marshes in state parks and forest preserves. I have had my best luck at Chain O'Lakes State Park and the wetlands at Crab Orchard National Wildlife Refuge. Check ourIllinois wildlife guidefor more species. Start near the water's edge on a calm afternoon when the insects are most active.
In Illinois, dragonfly sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use thestate wildlife huband theroute guideto narrow your first area. Then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover. Volo Bog State Natural Area is another prime location where boardwalks take you right into their habitat.
2. What Season and Weather Patterns Help for Dragonfly Spotting?
Peak dragonfly season in Illinois runs from June through August, though some species appear as early as April. Warm, sunny afternoons with little wind are ideal for spotting them in flight. A light rain shower often pushes them to feed right after it stops because their prey is also more active then. I have noticed they come out earlier in the day after a cool morning as they need to bask in the sun to warm up their flight muscles. Avoid heavy winds or overcast days, as dragonflies will often hide in tall grass or trees to stay warm and dry.
3. Simple Identification Cues: How to Tell Dragonflies Apart from Lookalikes
The easiest way to separate a dragonfly from a damselfly is wing position. Dragonflies hold their wings out flat like an airplane when resting, while damselflies fold them together above the body. Dragonflies are also larger and have eyes that touch or nearly touch. Common species in Illinois include the Common Green Darner, which is large with a green thorax and blue abdomen, and the Eastern Pondhawk, which is a brilliant green. The Widow Skimmer is another favorite, easily identified by the black and white patches on its wings. For a full overview, visit ourdragonfly identification hub.
See ourstate animal guidefor the next step.
4. What Are the Best Parks and Trails for Dragonfly Viewing in Illinois?
Besides Chain O'Lakes and Crab Orchard, try Moraine Hills State Park for its excellent lake and marsh trails. Shawnee National Forest in southern Illinois has many small ponds that are teeming with life in the summer. Illinois Beach State Park features unique dune wetlands that host several rare species not found elsewhere in the state. I always walk the boardwalks at Volo Bog because the open water areas provide reliable sightings of many different species at once. The Midewin National Tallgrass Prairie also offers great viewing around its restored wetlands.
5. How Can You Attract Dragonflies to Your Backyard in Illinois?
Setting up a small pond with native plants like pickerelweed and water lilies is the best way to bring dragonflies to your yard. They need clean water for their larvae and perches for the adults to sit on while they hunt. Avoid using pesticides, as these kill the small insects that dragonflies eat. I put a few flat stones near the pond edge because they love to warm up on them in the morning sun. You will see them hunt mosquitoes and gnats, which makes them a great natural form of pest control. It is an affordable and rewarding way to bring the action home.
6. What Time of Day Is Best for Dragonfly Spotting?
Mid to late afternoon, roughly 2 PM to 5 PM, is when most dragonflies in Illinois are most active. They spend the morning warming up and begin feeding heavily once the sun is high and the air is warm. Dawn and dusk are generally quieter for most species, although some larger darners are known for their 'dusk patrols' where they hunt in the fading light. If you hit a particularly hot day, they may patrol the water's edge all afternoon. Start your walk around 3 PM for the best odds of seeing a variety of species.
7. Dragonfly Merchandise to Celebrate Your Sightings
Once you've had a good day spotting, bring a little of that dragonfly energy home.
Colorful Dragonfly Stickers
Perfect for decorating a field journal or water bottle. These stick well and show off the iridescent blues and greens you see in Illinois.Check Price and Availability
Dragonfly T-Shirt
A comfortable tee with a bold dragonfly graphic. Great for wearing on your next outing to Chain O'Lakes.Check Price and Availability
Browse morewildlife stickersfor other Illinois species.
3dRose Common Green Darner on Water Primrose in wetland Effingham Co. IL 15oz Two-Tone Yellow Mug
A strong match for this wildlife page and an easy next click after the guide.Check Price and Availability
8. Are dragonflies common in Illinois and how many species are there?
Yes, dragonflies are very common in Illinois and the state is home to over 100 different species. You can find them in every county, from the most rural farm areas to the heart of Chicago. The most abundant species you are likely to see are the Common Green Darner and the Eastern Pondhawk, which can be found in almost any wetland or backyard pond during the summer months.
9. What is the largest dragonfly species found in Illinois?
The largest dragonfly you will encounter in Illinois is the Common Green Darner. This impressive insect can reach a length of 3 inches and has a wingspan of nearly 4 inches. They are strong fliers and are even known to migrate long distances, much like birds or monarch butterflies. Their size and bright green and blue coloring make them one of the easiest species to identify from a distance.
10. Do dragonflies in Illinois migrate like birds do?
Yes, several species of dragonflies in Illinois are migratory. The Common Green Darner is the most famous example, with some individuals flying hundreds of miles south to warmer climates in the fall. Other species stay in Illinois as nymphs, living underwater through the winter before emerging as adults the following spring. This mix of resident and migratory species ensures that there is always dragonfly activity in the state during the warm months.
Frequently asked questions
1. Where Are You Most Likely to Notice Dragonflies in Illinois?+
Dragonflies stick close to water because it is where they hunt and reproduce. The best spots are shallow ponds, slow streams, and marshes in state parks and forest preserves. I have had my best luck at Chain O'Lakes State Park and the wetlands at Crab Orchard National Wildlife Refuge. Check ourIllinois wildlife guidefor more species. Start near the water's edge on a calm afternoon when the insects are most active. In Illinois, dragonfly sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use thestate wildlife huband theroute guideto narrow your first area. Then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover. Volo Bog State Natural Area is another prime location where boardwalks take you right into their habitat.
2. What Season and Weather Patterns Help for Dragonfly Spotting?+
Peak dragonfly season in Illinois runs from June through August, though some species appear as early as April. Warm, sunny afternoons with little wind are ideal for spotting them in flight. A light rain shower often pushes them to feed right after it stops because their prey is also more active then. I have noticed they come out earlier in the day after a cool morning as they need to bask in the sun to warm up their flight muscles. Avoid heavy winds or overcast days, as dragonflies will often hide in tall grass or trees to stay warm and dry.
4. What Are the Best Parks and Trails for Dragonfly Viewing in Illinois?+
Besides Chain O'Lakes and Crab Orchard, try Moraine Hills State Park for its excellent lake and marsh trails. Shawnee National Forest in southern Illinois has many small ponds that are teeming with life in the summer. Illinois Beach State Park features unique dune wetlands that host several rare species not found elsewhere in the state. I always walk the boardwalks at Volo Bog because the open water areas provide reliable sightings of many different species at once. The Midewin National Tallgrass Prairie also offers great viewing around its restored wetlands.
5. How Can You Attract Dragonflies to Your Backyard in Illinois?+
Setting up a small pond with native plants like pickerelweed and water lilies is the best way to bring dragonflies to your yard. They need clean water for their larvae and perches for the adults to sit on while they hunt. Avoid using pesticides, as these kill the small insects that dragonflies eat. I put a few flat stones near the pond edge because they love to warm up on them in the morning sun. You will see them hunt mosquitoes and gnats, which makes them a great natural form of pest control. It is an affordable and rewarding way to bring the action home.
6. What Time of Day Is Best for Dragonfly Spotting?+
Mid to late afternoon, roughly 2 PM to 5 PM, is when most dragonflies in Illinois are most active. They spend the morning warming up and begin feeding heavily once the sun is high and the air is warm. Dawn and dusk are generally quieter for most species, although some larger darners are known for their 'dusk patrols' where they hunt in the fading light. If you hit a particularly hot day, they may patrol the water's edge all afternoon. Start your walk around 3 PM for the best odds of seeing a variety of species.
8. Are dragonflies common in Illinois and how many species are there?+
Yes, dragonflies are very common in Illinois and the state is home to over 100 different species. You can find them in every county, from the most rural farm areas to the heart of Chicago. The most abundant species you are likely to see are the Common Green Darner and the Eastern Pondhawk, which can be found in almost any wetland or backyard pond during the summer months.
9. What is the largest dragonfly species found in Illinois?+
The largest dragonfly you will encounter in Illinois is the Common Green Darner. This impressive insect can reach a length of 3 inches and has a wingspan of nearly 4 inches. They are strong fliers and are even known to migrate long distances, much like birds or monarch butterflies. Their size and bright green and blue coloring make them one of the easiest species to identify from a distance.
10. Do dragonflies in Illinois migrate like birds do?+
Yes, several species of dragonflies in Illinois are migratory. The Common Green Darner is the most famous example, with some individuals flying hundreds of miles south to warmer climates in the fall. Other species stay in Illinois as nymphs, living underwater through the winter before emerging as adults the following spring. This mix of resident and migratory species ensures that there is always dragonfly activity in the state during the warm months.
Keep exploring
More places to see dragonfly
More wildlife in Illinois