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Insects & Arthropods of Maryland

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

487,843
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 487,843 research-grade observations across the 50 most-recorded species in Maryland. The most frequently seen is the Spotted Lanternfly, with 29,662 recorded sightings.

Most-observed insects & arthropods in Maryland

Spotted Lanternfly
Lycorma delicatula
29,662 observations
Eastern Tiger Swallowtail
Papilio glaucus
26,316 observations
Monarch
Danaus plexippus
24,364 observations
Asian Lady Beetle
Harmonia axyridis
22,988 observations
Common Eastern Bumble Bee
Bombus impatiens
21,360 observations
Huron Skipper
Atalopedes huron
19,154 observations · iNaturalist
Western Honey Bee
Apis mellifera
15,275 observations
Eastern Carpenter Bee
Xylocopa virginica
14,567 observations
Silver-spotted Skipper
Epargyreus clarus
12,122 observations
Common Whitetail
Plathemis lydia
11,612 observations
Pearl Crescent
Phyciodes tharos
11,121 observations
Blue Dasher
Pachydiplax longipennis
11,101 observations
Zabulon Skipper
Lon zabulon
10,636 observations · iNaturalist
Eastern Tailed-Blue
Everes comyntas
10,593 observations
Red-spotted Admiral
Limenitis arthemis
10,253 observations
Large Milkweed Bug
Oncopeltus fasciatus
9,802 observations
Small White
Pieris rapae
9,800 observations
Common Buckeye
Junonia coenia
9,729 observations
Eastern Pondhawk
Erythemis simplicicollis
9,643 observations
Spicebush Swallowtail
Papilio troilus
8,539 observations
Horned Passalus Beetle
Odontotaenius disjunctus
8,130 observations
Isabella Tiger Moth
Pyrrharctia isabella
7,688 observations
Eastern Tent Caterpillar Moth
Malacosoma americana
7,616 observations · iNaturalist
Ailanthus Webworm Moth
Atteva aurea
7,469 observations · iNaturalist
Variegated Fritillary
Euptoieta claudia
7,357 observations
North American Wheel Bug
Arilus cristatus
7,288 observations
Six-spotted Tiger Beetle
Cicindela sexguttata
7,107 observations
Brown-belted Bumble Bee
Bombus griseocollis
7,094 observations
Fragile Forktail
Ischnura posita
7,089 observations · iNaturalist
Black Swallowtail
Papilio polyxenes
7,045 observations
Orchard Orbweaver
Leucauge venusta
6,869 observations
Pharaoh Cicada
Magicicada septendecim
6,786 observations
Ebony Jewelwing
Calopteryx maculata
6,700 observations
Green Cloverworm Moth
Hypena scabra
6,462 observations · iNaturalist
Brown Marmorated Stink Bug
Halyomorpha halys
6,337 observations
Zebra Swallowtail
Eurytides marcellus
6,046 observations
Carolina Mantis
Stagmomantis carolina
6,030 observations
Chinese Mantis
Tenodera sinensis
5,814 observations
European Hornet
Vespa crabro
5,805 observations
North American Luna Moth
Actias luna
5,748 observations
Bold Jumping Spider
Phidippus audax
5,682 observations
Red Admiral
Vanessa atalanta
5,501 observations
Yellow Garden Spider
Argiope aurantia
5,449 observations
Tan Jumping Spider
Platycryptus undatus
5,434 observations · iNaturalist
Japanese Beetle
Popillia japonica
5,313 observations
Slaty Skimmer
Libellula incesta
5,223 observations · iNaturalist
Red Milkweed Beetle
Tetraopes tetrophthalmus
5,220 observations
Margined Calligrapher
Toxomerus marginatus
5,041 observations · iNaturalist
Seven-spotted Lady Beetle
Coccinella septempunctata
4,962 observations
Common Green June Beetle
Cotinis nitida
4,901 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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