Insects & Arthropods of Maryland
The insects & arthropods most often spotted in Maryland, ranked by recent research-grade observations.
Most-observed insects & arthropods in Maryland
Spotted Lanternfly
Lycorma delicatula
25,021 observations · iNaturalist
Eastern Tiger Swallowtail
Papilio glaucus
23,044 observations
Asian Lady Beetle
Harmonia axyridis
21,485 observations
Monarch
Danaus plexippus
19,775 observations
Common Eastern Bumble Bee
Bombus impatiens
18,375 observations
Huron Skipper
Atalopedes huron
15,849 observations · iNaturalist
Western Honey Bee
Apis mellifera
13,667 observations
Eastern Carpenter Bee
Xylocopa virginica
12,986 observations
Common Whitetail
Plathemis lydia
10,635 observations
Silver-spotted Skipper
Epargyreus clarus
10,606 observations
Pearl Crescent
Phyciodes tharos
10,016 observations
Zabulon Skipper
Lon zabulon
9,646 observations · iNaturalist
Blue Dasher
Pachydiplax longipennis
9,521 observations
Eastern Tailed-Blue
Cupido comyntas
9,499 observations · iNaturalist
Large Milkweed Bug
Oncopeltus fasciatus
8,684 observations
Small White
Pieris rapae
8,675 observations
Red-spotted Admiral
Limenitis arthemis
8,599 observations
Common Buckeye
Junonia coenia
8,546 observations
Eastern Pondhawk
Erythemis simplicicollis
8,379 observations
Horned Passalus Beetle
Odontotaenius disjunctus
7,590 observations
Eastern Tent Caterpillar Moth
Malacosoma americana
7,513 observations · iNaturalist
Spicebush Swallowtail
Papilio troilus
7,336 observations
Six-spotted Tiger Beetle
Cicindela sexguttata
6,968 observations
Isabella Tiger Moth
Pyrrharctia isabella
6,952 observations
North American Wheel Bug
Arilus cristatus
6,754 observations
Brown-belted Bumble Bee
Bombus griseocollis
6,697 observations
Pharaoh Cicada
Magicicada septendecim
6,679 observations
Orchard Orbweaver
Leucauge venusta
6,601 observations
Ailanthus Webworm Moth
Atteva aurea
6,498 observations · iNaturalist
Fragile Forktail
Ischnura posita
6,252 observations · iNaturalist
Variegated Fritillary
Euptoieta claudia
6,243 observations
Black Swallowtail
Papilio polyxenes
6,222 observations
Ebony Jewelwing
Calopteryx maculata
6,134 observations
Brown Marmorated Stink Bug
Halyomorpha halys
6,021 observations
Zebra Swallowtail
Eurytides marcellus
5,603 observations
Green Cloverworm Moth
Hypena scabra
5,448 observations · iNaturalist
European Hornet
Vespa crabro
5,335 observations
Chinese Mantis
Tenodera sinensis
5,227 observations
North American Luna Moth
Actias luna
5,106 observations
Red Admiral
Vanessa atalanta
5,094 observations
Bold Jumping Spider
Phidippus audax
5,080 observations
Yellow Garden Spider
Argiope aurantia
4,991 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
4,843 observations
Tan Jumping Spider
Platycryptus undatus
4,811 observations · iNaturalist
Red Milkweed Beetle
Tetraopes tetrophthalmus
4,782 observations
Carolina Mantis
Stagmomantis carolina
4,780 observations
Margined Calligrapher
Toxomerus marginatus
4,715 observations · iNaturalist
Japanese Beetle
Popillia japonica
4,638 observations
Two-spotted Bumble Bee
Bombus bimaculatus
4,536 observations
Margined Leatherwing Beetle
Chauliognathus marginatus
4,445 observations · iNaturalist