Nature Watch

Pollinator Watch

Butterflies, native bees, and the prairie blooms that sustain them. Every sighting you log builds the biodiversity record for the Loess Hills.

25
Species in guide
0
Sightings logged
3
Federally protected
πŸ”­ Open Seek ID App
May on the Prairie
Peak diversity β€” 20+ species possible
Wild Bergamot draws Monarchs, fritillaries, and bumble bees. Best month for butterfly walks at dawn and dusk.
Seasonal Activity

When to look β€” Loess Hills phenology

Butterflies
Native Bees
Monarch Migration
This month (highlighted)
Species Guide

Pollinators of the Loess Hills

25 species
Regal Fritillary
✨ Very Rare
Speyeria idalia
One of the most spectacular prairie butterflies. Requires intact prairie for survival.
State species of conservation concern. Your photo is conservation data.
Rusty Patched Bumble Bee
πŸ”₯ Exceptional
Bombus affinis
Federally endangered. Has lost 90% of its range in 20 years. Key prairie pollinator.
FEDERALLY ENDANGERED. Please photograph and email hello@elysianprairie.org immediately.
American Bumblebee
⭐ Rare
Bombus pensylvanicus
Once abundant, now rare due to habitat loss and disease.
Species of conservation concern. Document location carefully.
Monarch Butterfly
πŸ’™ Uncommon
Danaus plexippus
The iconic prairie pollinator. Critical milkweed dependent. Migrates through the Loess Hills each fall.
Population in long-term decline. Every sighting logged here contributes to Iowa DNR monitoring.
Two-spotted Ladybug
⭐ Rare
Adalia bipunctata
Native ladybug β€” most ladybugs seen today are introduced Asian species. This one is the real deal.
Eastern Tiger Swallowtail
🌿 Common
Papilio glaucus
Large yellow-and-black swallowtail. Common in woodland edges and prairie borders. One of the most recognizable Iowa butterflies.
Black Swallowtail
🌿 Common
Papilio polyxenes
Bold black wings with yellow and blue spots. Caterpillars feed on prairie carrot-family plants.
Painted Lady
🌿 Common
Vanessa cardui
One of the most widespread butterflies on Earth. Migrates through Iowa in large numbers in good years.
Red Admiral
🌿 Common
Vanessa atalanta
Distinctive red-banded wings. Strong flier, often seen puddling on moist soil.
Clouded Sulphur
🌿 Common
Colias philodice
Pale yellow butterfly, extremely common in open areas. Often seen in large nectaring aggregations on clovers.
Orange Sulphur
🌿 Common
Colias eurytheme
Bright orange sulphur, very common across Iowa prairies. Hybridizes with Clouded Sulphur.
Pearl Crescent
🌿 Common
Phyciodes tharos
Small orange butterfly with black patterning. One of the most abundant prairie butterflies β€” a reliable sign of healthy native habitat.
Viceroy
πŸ’™ Uncommon
Limenitis archippus
Monarch mimic. Distinguished by the black postmedian line crossing the hindwing. Found near willows and poplars in the draws.
Gray Hairstreak
πŸ’™ Uncommon
Strymon melinus
Tiny gray butterfly with a bright orange eye-spot near the tail. Fast and easily overlooked.
Silvery Blue
πŸ’™ Uncommon
Glaucopsyche lygdamus
Delicate sky-blue wings on the male. Spring flier, associated with wild lupine patches.
American Copper
πŸ’™ Uncommon
Lycaena phlaeas
Brilliant copper-orange forewings. Small and fast. Found in disturbed areas and open prairie.
Giant Swallowtail
πŸ’™ Uncommon
Papilio cresphontes
Iowa's largest butterfly. Dark brown with bold yellow bands. Has been expanding its range northward.
Baltimore Checkerspot
⭐ Rare
Euphydryas phaeton
Bold checkerboard of orange, white, and black. Iowa state insect. Requires specific host plants in wet meadow edges.
Declining statewide. Your sighting documents a breeding population in Monona County.
Common Wood-Nymph
πŸ’™ Uncommon
Cercyonis pegala
Brown butterfly with large eye-spots. A true prairie specialist β€” found only where native grasses persist.
Hackberry Emperor
πŸ’™ Uncommon
Asterocampa celtis
Chestnut-brown butterfly that lands on people. Fast and territorial. Found near hackberry trees in draws.
Eastern Bumble Bee
🌿 Common
Bombus impatiens
The most common bumble bee in Iowa. A robust pollinator of prairie wildflowers. Nests underground.
Brown-belted Bumble Bee
πŸ’™ Uncommon
Bombus griseocollis
Bumble bee with a distinctive brown band on the abdomen. Associated with intact prairie habitat.
Sweat Bee
🌿 Common
Halictus rubicundus
Small metallic green bee attracted to perspiration. An important native pollinator often overlooked.
Leafcutter Bee
🌿 Common
Megachile rotundata
Cuts circular pieces from leaves to line nest cells. A solitary bee and important prairie pollinator.
Blue Orchard Mason Bee
πŸ’™ Uncommon
Osmia lignaria
Metallic blue-black mason bee. Nests in pre-existing cavities. An efficient early-season pollinator.
Why it matters

Pollinator data powers our grant applications

Every sighting you submit is documented evidence in our EPA Environmental Justice and NRCS applications. Three federally protected species β€” Rusty Patched Bumble Bee, Regal Fritillary, and Prairie White-fringed Orchid β€” depend on this landscape.

πŸ“· Photo ID ToolπŸ… Leaderboard