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Insects & Arthropods of Milwaukee, WI

The insects & arthropods most often spotted near Milwaukee, ranked by recent research-grade observations.

24,997
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 24,997 research-grade observations across the 50 most-recorded species near Milwaukee. The most frequently seen is the Common Eastern Bumble Bee, with 2,982 recorded sightings.

Most-observed insects & arthropods near Milwaukee

Common Eastern Bumble Bee
Bombus impatiens
2,982 observations
Monarch
Danaus plexippus
1,607 observations
Red-belted Bumble Bee
Bombus rufocinctus
1,285 observations
Two-spotted Bumble Bee
Bombus bimaculatus
1,135 observations
Western Honey Bee
Apis mellifera
1,104 observations
Asian Lady Beetle
Harmonia axyridis
938 observations
Brown-belted Bumble Bee
Bombus griseocollis
904 observations
Black Swallowtail
Papilio polyxenes
653 observations
Eastern Forktail
Ischnura verticalis
555 observations
Red Admiral
Vanessa atalanta
540 observations
Small White
Pieris rapae
507 observations
Eastern Carpenter Bee
Xylocopa virginica
502 observations
Eastern Tiger Swallowtail
Papilio glaucus
470 observations
Large Milkweed Bug
Oncopeltus fasciatus
462 observations
Silver-spotted Skipper
Epargyreus clarus
462 observations
Eastern Boxelder Bug
Boisea trivittata
451 observations
Goldenrod Soldier Beetle
Chauliognathus pensylvanicus
448 observations · iNaturalist
Northern Paper Wasp
Polistes fuscatus
442 observations
Red Milkweed Beetle
Tetraopes tetrophthalmus
438 observations
Japanese Beetle
Popillia japonica
399 observations
Bald-faced Hornet
Dolichovespula maculata
372 observations
Isabella Tiger Moth
Pyrrharctia isabella
371 observations
Banded Tussock Moth
Halysidota tessellaris
367 observations
Lemon Cuckoo Bumble Bee
Bombus citrinus
356 observations · iNaturalist
Rusty-patched Bumble Bee
Bombus affinis
344 observations · iNaturalist
Common Whitetail
Plathemis lydia
340 observations
Bold Jumping Spider
Phidippus audax
336 observations
Cross Orbweaver
Araneus diadematus
333 observations
Margined Calligrapher
Toxomerus marginatus
333 observations · iNaturalist
Brown Marmorated Stink Bug
Halyomorpha halys
326 observations
Black-and-gold Bumble Bee
Bombus auricomus
324 observations
Red-spotted Admiral
Limenitis arthemis
308 observations
Common Green Darner
Anax junius
303 observations
Ebony Jewelwing
Calopteryx maculata
296 observations
Peck's Skipper
Polites peckius
292 observations · iNaturalist
European Paper Wasp
Polistes dominula
286 observations
Fiery Skipper
Hylephila phyleus
282 observations · iNaturalist
Golden Northern Bumble Bee
Bombus fervidus
282 observations
Widow Skimmer
Libellula luctuosa
267 observations
Ailanthus Webworm Moth
Atteva aurea
256 observations · iNaturalist
Red-banded Leafhopper
Graphocephala coccinea
244 observations
Autumn Meadowhawk
Sympetrum vicinum
241 observations
Chinese Mantis
Tenodera sinensis
238 observations
Six-spotted Tiger Beetle
Cicindela sexguttata
235 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
235 observations
Mourning Cloak
Nymphalis antiopa
233 observations
Narrow-headed Marsh Fly
Helophilus fasciatus
230 observations · iNaturalist
Reddish-brown Stag Beetle
Lucanus capreolus
228 observations
Eastern Pondhawk
Erythemis simplicicollis
228 observations
Blue Dasher
Pachydiplax longipennis
227 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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