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Insects & Arthropods of Milwaukee, WI

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

25,316
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 25,316 research-grade observations across the 50 most-recorded species near Milwaukee. The most frequently seen is the Common Eastern Bumble Bee, with 3,036 recorded sightings.

Most-observed insects & arthropods near Milwaukee

Common Eastern Bumble Bee
Bombus impatiens
3,036 observations
Monarch
Danaus plexippus
1,609 observations
Red-belted Bumble Bee
Bombus rufocinctus
1,327 observations
Two-spotted Bumble Bee
Bombus bimaculatus
1,152 observations
Western Honey Bee
Apis mellifera
1,121 observations
Asian Lady Beetle
Harmonia axyridis
945 observations
Brown-belted Bumble Bee
Bombus griseocollis
929 observations
Black Swallowtail
Papilio polyxenes
656 observations
Eastern Forktail
Ischnura verticalis
556 observations
Red Admiral
Vanessa atalanta
540 observations
Small White
Pieris rapae
510 observations
Eastern Carpenter Bee
Xylocopa virginica
503 observations
Large Milkweed Bug
Oncopeltus fasciatus
472 observations
Eastern Tiger Swallowtail
Papilio glaucus
472 observations
Eastern Boxelder Bug
Boisea trivittata
469 observations
Silver-spotted Skipper
Epargyreus clarus
463 observations
Goldenrod Soldier Beetle
Chauliognathus pensylvanicus
449 observations · iNaturalist
Northern Paper Wasp
Polistes fuscatus
444 observations
Red Milkweed Beetle
Tetraopes tetrophthalmus
439 observations
Japanese Beetle
Popillia japonica
399 observations
Lemon Cuckoo Bumble Bee
Bombus citrinus
378 observations · iNaturalist
Isabella Tiger Moth
Pyrrharctia isabella
375 observations
Bald-faced Hornet
Dolichovespula maculata
373 observations
Banded Tussock Moth
Halysidota tessellaris
368 observations
Rusty-patched Bumble Bee
Bombus affinis
364 observations · iNaturalist
Common Whitetail
Plathemis lydia
340 observations
Bold Jumping Spider
Phidippus audax
339 observations
Margined Calligrapher
Toxomerus marginatus
338 observations · iNaturalist
Cross Orbweaver
Araneus diadematus
337 observations
Black-and-gold Bumble Bee
Bombus auricomus
335 observations
Brown Marmorated Stink Bug
Halyomorpha halys
329 observations
Red-spotted Admiral
Limenitis arthemis
312 observations
Common Green Darner
Anax junius
303 observations
Ebony Jewelwing
Calopteryx maculata
296 observations
Peck's Skipper
Polites peckius
293 observations · iNaturalist
Golden Northern Bumble Bee
Bombus fervidus
290 observations
European Paper Wasp
Polistes dominula
287 observations
Fiery Skipper
Hylephila phyleus
282 observations · iNaturalist
Widow Skimmer
Libellula luctuosa
267 observations
Ailanthus Webworm Moth
Atteva aurea
261 observations · iNaturalist
Autumn Meadowhawk
Sympetrum vicinum
249 observations
Red-banded Leafhopper
Graphocephala coccinea
247 observations
Chinese Mantis
Tenodera sinensis
242 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
231 observations · iNaturalist
Blue Dasher
Pachydiplax longipennis
229 observations
Reddish-brown Stag Beetle
Lucanus capreolus
229 observations
Eastern Pondhawk
Erythemis simplicicollis
228 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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