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Insects & Arthropods of Maryland

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

485,937
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 485,937 research-grade observations across the 50 most-recorded species in Maryland. The most frequently seen is the Spotted Lanternfly, with 29,531 recorded sightings.

Most-observed insects & arthropods in Maryland

Spotted Lanternfly
Lycorma delicatula
29,531 observations
Eastern Tiger Swallowtail
Papilio glaucus
26,283 observations
Monarch
Danaus plexippus
24,323 observations
Asian Lady Beetle
Harmonia axyridis
22,910 observations
Common Eastern Bumble Bee
Bombus impatiens
20,934 observations
Huron Skipper
Atalopedes huron
19,009 observations · iNaturalist
Western Honey Bee
Apis mellifera
15,177 observations
Eastern Carpenter Bee
Xylocopa virginica
14,536 observations
Silver-spotted Skipper
Epargyreus clarus
12,113 observations
Common Whitetail
Plathemis lydia
11,604 observations
Blue Dasher
Pachydiplax longipennis
11,093 observations
Pearl Crescent
Phyciodes tharos
11,057 observations
Zabulon Skipper
Lon zabulon
10,633 observations · iNaturalist
Eastern Tailed-Blue
Everes comyntas
10,584 observations
Red-spotted Admiral
Limenitis arthemis
10,239 observations
Small White
Pieris rapae
9,764 observations
Large Milkweed Bug
Oncopeltus fasciatus
9,699 observations
Common Buckeye
Junonia coenia
9,660 observations
Eastern Pondhawk
Erythemis simplicicollis
9,641 observations
Spicebush Swallowtail
Papilio troilus
8,526 observations
Horned Passalus Beetle
Odontotaenius disjunctus
8,102 observations
Isabella Tiger Moth
Pyrrharctia isabella
7,631 observations
Eastern Tent Caterpillar Moth
Malacosoma americana
7,611 observations · iNaturalist
Ailanthus Webworm Moth
Atteva aurea
7,422 observations · iNaturalist
Variegated Fritillary
Euptoieta claudia
7,292 observations
North American Wheel Bug
Arilus cristatus
7,228 observations
Six-spotted Tiger Beetle
Cicindela sexguttata
7,104 observations
Fragile Forktail
Ischnura posita
7,082 observations · iNaturalist
Brown-belted Bumble Bee
Bombus griseocollis
7,043 observations
Black Swallowtail
Papilio polyxenes
7,031 observations
Orchard Orbweaver
Leucauge venusta
6,856 observations
Pharaoh Cicada
Magicicada septendecim
6,782 observations
Ebony Jewelwing
Calopteryx maculata
6,699 observations
Green Cloverworm Moth
Hypena scabra
6,439 observations · iNaturalist
Brown Marmorated Stink Bug
Halyomorpha halys
6,329 observations
Zebra Swallowtail
Eurytides marcellus
6,042 observations
Carolina Mantis
Stagmomantis carolina
5,990 observations
European Hornet
Vespa crabro
5,788 observations
Chinese Mantis
Tenodera sinensis
5,767 observations
North American Luna Moth
Actias luna
5,745 observations
Bold Jumping Spider
Phidippus audax
5,662 observations
Red Admiral
Vanessa atalanta
5,498 observations
Yellow Garden Spider
Argiope aurantia
5,444 observations
Tan Jumping Spider
Platycryptus undatus
5,428 observations · iNaturalist
Japanese Beetle
Popillia japonica
5,310 observations
Slaty Skimmer
Libellula incesta
5,218 observations · iNaturalist
Red Milkweed Beetle
Tetraopes tetrophthalmus
5,213 observations
Margined Calligrapher
Toxomerus marginatus
5,015 observations · iNaturalist
Seven-spotted Lady Beetle
Coccinella septempunctata
4,956 observations
Common Green June Beetle
Cotinis nitida
4,894 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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