Jun 19, 2026
Humboldt (Alexander Von) Parki
Photo attribution
(c) John Dunlevy, some rights reserved (CC BY)
License: CC BY 4.0 ↗
Image may be shown cropped inside the card frame.
Bugs Guide
Bugs Guide for Illinois
Prairies, wetlands, woodlands, and migratory birds
Bug highlights, common sightings, and the best places to look for bugs in Illinois. Use the highlight list to start quickly, then work through the full guide for a broader local view.
Sightings
667
Species
169
Active Months
12
Category Overview
Bugs across Illinois
This guide focuses on butterflies, bees, beetles, and other small species within Illinois' wider region guide, making local walks, gardens, and close-up exploring feel richer.
Latest Sightings
Recent insect sightings in Illinois
A recent look at insect sightings across Illinois.
Jun 19, 2026
River Parki
Photo attribution
(c) Becca, some rights reserved (CC BY)
License: CC BY 4.0 ↗
Image may be shown cropped inside the card frame.
Jun 19, 2026
River Parki
Photo attribution
(c) Becca, some rights reserved (CC BY)
License: CC BY 4.0 ↗
Image may be shown cropped inside the card frame.
Jun 19, 2026
River Parki
Photo attribution
(c) Becca, some rights reserved (CC BY)
License: CC BY 4.0 ↗
Image may be shown cropped inside the card frame.
Jun 19, 2026
River Parki
Photo attribution
(c) Becca, some rights reserved (CC BY)
License: CC BY 4.0 ↗
Image may be shown cropped inside the card frame.
Jun 19, 2026
River Parki
Photo attribution
(c) Becca, some rights reserved (CC BY)
License: CC BY 4.0 ↗
Image may be shown cropped inside the card frame.
Sightings Map
See where insect sightings cluster
Start wide, then zoom in to see where insect sightings cluster across Illinois.
Loading map…
Top Highlights
Top 5 bugs to look for in Illinois
These bugs are snapped the most across this region.
Monarch Butterfly
69 snaps
Bee
62 snaps
Black Swallowtail
34 snaps
Asian Lady Beetle
26 snaps
Bold Jumping Spider
18 snaps
Places to Start
Best places for bugs in Illinois
These place guides connect well with the bugs covered in this region.
Park26 sightings50 species
Illinois, US
River Park
You might spot American Robin and White-Tailed Deer.
View place guide →
Park92 sightings50 species
Illinois, US
Humboldt (Alexander Von) Park
You might spot American Robin, Canada Goose, and House Sparrow.
View place guide →
Park37 sightings50 species
Illinois, US
Scoville Park
You might spot Common Milkweed and Common Eastern Bumble Bee.
View place guide →
Park98 sightings9 species
Illinois, US
Northerly Island
You might spot Canada Goose, Ring-Billed Gull, and Red-Winged Blackbird.
View place guide →
Park35 sightings50 species
Illinois, US
Anderson Japanese Gardens
You might spot Common Eastern Bumble Bee and Brown-Belted Bumble Bee.
View place guide →
Zoo29 sightings11 species
Illinois, US
Aikman Wildlife Adventure
You might spot Zebra, Camel, and Bison.
View place guide →
Full Guide
Full Illinois bugs list
The complete ranked list for this guide, ordered by sightings count.
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Monarch Butterfly
Bee
Black Swallowtail
Asian Lady Beetle
Bold Jumping Spider
Red Admiral
Red Milkweed Beetle
Common Eastern Bumble Bee
Brown-belted Bumble Bee
Brown Marmorated Stink Bug
Question Mark
Six-spotted Tiger Beetle
Two-spotted Bumble Bee
Zebra Jumping Spider
Hackberry Emperor
Red-banded Leafhopper
Silver-spotted Skipper
Eastern Forktail
Eastern Tiger Swallowtail
Four-lined Plant Bug
Isabella Tiger Moth
Polyphemus Moth
Tan Jumping Spider
Bald-faced Hornet
Chinese Mantis
Common Pill Woodlouse
Common Whitetail
Eastern Carpenter Bee
Mapleleaf
Margined Calligrapher
Metric Paper Wasp
Mourning Cloak
Oleander Aphid
Red-banded Leafroller Moth
American Lady
Eastern Eyed Click Beetle
Firefly
House Centipede
Japanese Beetle
Large Lace-Border Moth
Luna Moth
North American Wheel Bug
Painted Lady
Pearl Crescent
Widow Skimmer
Ailanthus Webworm Moth
American Dog Tick
American Nursery Web Spider
Bluegrass Webworm Moth
Cabbage White
Common Buckeye
Dark Fishing Spider
Eastern Boxelder Bug
Eastern Pondhawk
Eastern Yellow-Backed Laphria
Fiery Skipper
Great Spangled Fritillary
Northern Paper Wasp
Seven-spotted Lady Beetle
Spring Fishfly
Stream Bluet
Swamp Milkweed Leaf Beetle
Tawny Emperor
Twelve-spotted Skimmer
White-marked Tussock Moth
Yellow-legged Mud-dauber Wasp
Zabulon Skipper
Acanthocephala terminalis
Admiral Butterfly
Bicolored Striped Sweat Bee
Blue Dasher
Calico Pennant
Carolina Mantis
Colorado Potato Beetle
Differential Grasshopper
Ebony Jewelwing
False Milkweed Bug
Fragile Papershell
Golden-backed Snipe Fly
Great Black Digger Wasp
Green Cloverworm Moth
Ligated Furrow Bee
Lone Star Tick
Margined Leatherwing Beetle
Meadow Fritillary
Meal Moth
Narcissus Bulb Fly
Narrow-headed Marsh Fly
North American Common Gray
Periodical Cicadas
Salt Marsh Moth
Spotted Lanternfly
Viceroy
Waterlily Leafcutter Moth
Yellow Garden Spider
Achenomorphus Corticinus
Acmaeodera Tubulus
American Bumble Bee
Asian Clam
Banded Tussock Moth
Bearded Carpenter ant
Black Saddlebags
Black Vine Weevil
Black-and-gold Bumble Bee
Blinded Sphinx
Blue-Faced Meadowhawk
Blue-tipped Dancer
Brown Recluse Spider
Carpenterworm Moth
Cecropia Moth
Celery Leaftier Moth
Changeable Grass-veneer
Chestnut Carpenter Ant
Common Drone Fly
Common Micropanther
Common Picture-winged Fly
Coppery Leafhopper
Dark Flower Scarab
Double-striped Bluet
Eastern Comma
Eastern Regal Oak Mirid
Eastern Tent Caterpillar Moth
Eight-spotted Forester Moth
Elm Sphinx
European Paper Wasp
European Woolcarder Bee
Evergreen Bagworm Moth
Fall Webworm Moth
Ferruginous Carpenter Ant
Fragile Forktail
Gerris
Giant Leopard Moth
Goldenrod Soldier Beetle
Grass Spiders
Gray Hairstreak
Green Immigrant Leaf Weevil
Grey Cross Spider
Hickory Tussock Moth
Hobomok Skipper
Hummingbird Hawk-Moth
Io Moth
Large Milkweed Bug
Leconte'S Haploa Moth
Little Wood Satyr
Morning-glory Plume Moth
Northern Cloudywing
Northern Pearly-eye
Oak Bush-cricket
Orange Sulphur
Oriental Beetle
Peppered Moth
Pink Papershell
Rainbow Scarab
Rathke'S Woodlouse
Running Crab Spiders
Sculptured Resin Bee
Small Bird-dropping Moth
Southern Masked Chafer
Spongy Moth
Summer Azure
Summer Fishfly
Tiger Bee Fly
Twice-Stabbed Stink Bug
Two-spotted Lady Beetle
Waved Sphinx
Wavy-Lined And Southern Emeralds
Wetland Giant Wolf Spider
White-dotted Prominent
Wool Sower Gall Wasp
Other Guides
Keep exploring Illinois
Switch from bugs to birds and flowers for a broader view of Illinois' wildlife and nature.
