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Insects & Arthropods of Maryland

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

479,913
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 479,913 research-grade observations across the 50 most-recorded species in Maryland. The most frequently seen is the Spotted Lanternfly, with 28,910 recorded sightings.

Most-observed insects & arthropods in Maryland

Spotted Lanternfly
Lycorma delicatula
28,910 observations
Eastern Tiger Swallowtail
Papilio glaucus
26,182 observations
Monarch
Danaus plexippus
24,002 observations
Asian Lady Beetle
Harmonia axyridis
22,663 observations
Common Eastern Bumble Bee
Bombus impatiens
20,245 observations
Huron Skipper
Atalopedes huron
18,670 observations · iNaturalist
Western Honey Bee
Apis mellifera
14,875 observations
Eastern Carpenter Bee
Xylocopa virginica
14,393 observations
Silver-spotted Skipper
Epargyreus clarus
12,070 observations
Common Whitetail
Plathemis lydia
11,592 observations
Blue Dasher
Pachydiplax longipennis
11,076 observations
Pearl Crescent
Phyciodes tharos
10,886 observations
Zabulon Skipper
Lon zabulon
10,598 observations · iNaturalist
Eastern Tailed-Blue
Everes comyntas
10,506 observations
Red-spotted Admiral
Limenitis arthemis
10,067 observations
Eastern Pondhawk
Erythemis simplicicollis
9,627 observations
Small White
Pieris rapae
9,573 observations
Large Milkweed Bug
Oncopeltus fasciatus
9,557 observations
Common Buckeye
Junonia coenia
9,353 observations
Spicebush Swallowtail
Papilio troilus
8,496 observations
Horned Passalus Beetle
Odontotaenius disjunctus
8,023 observations
Eastern Tent Caterpillar Moth
Malacosoma americana
7,607 observations · iNaturalist
Isabella Tiger Moth
Pyrrharctia isabella
7,381 observations
Ailanthus Webworm Moth
Atteva aurea
7,267 observations · iNaturalist
North American Wheel Bug
Arilus cristatus
7,114 observations
Six-spotted Tiger Beetle
Cicindela sexguttata
7,094 observations
Fragile Forktail
Ischnura posita
7,075 observations · iNaturalist
Variegated Fritillary
Euptoieta claudia
7,012 observations
Black Swallowtail
Papilio polyxenes
6,959 observations
Brown-belted Bumble Bee
Bombus griseocollis
6,914 observations
Orchard Orbweaver
Leucauge venusta
6,839 observations
Pharaoh Cicada
Magicicada septendecim
6,773 observations
Ebony Jewelwing
Calopteryx maculata
6,694 observations
Green Cloverworm Moth
Hypena scabra
6,366 observations · iNaturalist
Brown Marmorated Stink Bug
Halyomorpha halys
6,284 observations
Zebra Swallowtail
Eurytides marcellus
6,034 observations
Carolina Mantis
Stagmomantis carolina
5,829 observations
North American Luna Moth
Actias luna
5,728 observations
European Hornet
Vespa crabro
5,680 observations
Chinese Mantis
Tenodera sinensis
5,660 observations
Bold Jumping Spider
Phidippus audax
5,536 observations
Red Admiral
Vanessa atalanta
5,477 observations
Yellow Garden Spider
Argiope aurantia
5,406 observations
Tan Jumping Spider
Platycryptus undatus
5,372 observations · iNaturalist
Japanese Beetle
Popillia japonica
5,297 observations
Slaty Skimmer
Libellula incesta
5,214 observations · iNaturalist
Red Milkweed Beetle
Tetraopes tetrophthalmus
5,208 observations
Margined Calligrapher
Toxomerus marginatus
4,943 observations · iNaturalist
Seven-spotted Lady Beetle
Coccinella septempunctata
4,926 observations
Great Spangled Fritillary
Argynnis cybele
4,860 observations · iNaturalist

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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