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Insects & Arthropods of Chesapeake & Ohio Canal National Historical Park

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

95,047
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 95,047 research-grade observations across the 50 most-recorded species in C&O Canal. The most frequently seen is the Eastern Tiger Swallowtail, with 5,690 recorded sightings.

Most-observed insects & arthropods in C&O Canal

Eastern Tiger Swallowtail
Papilio glaucus
5,690 observations
Spotted Lanternfly
Lycorma delicatula
5,531 observations
Asian Lady Beetle
Harmonia axyridis
4,937 observations
Monarch
Danaus plexippus
4,314 observations
Common Eastern Bumble Bee
Bombus impatiens
4,046 observations
Huron Skipper
Atalopedes huron
3,749 observations · iNaturalist
Eastern Carpenter Bee
Xylocopa virginica
3,049 observations
Western Honey Bee
Apis mellifera
2,902 observations
Zabulon Skipper
Lon zabulon
2,736 observations · iNaturalist
Silver-spotted Skipper
Epargyreus clarus
2,289 observations
Pearl Crescent
Phyciodes tharos
2,253 observations
Eastern Tailed-Blue
Everes comyntas
2,189 observations
Small White
Pieris rapae
2,121 observations
Large Milkweed Bug
Oncopeltus fasciatus
2,098 observations
Orchard Orbweaver
Leucauge venusta
1,811 observations
Red-spotted Admiral
Limenitis arthemis
1,799 observations
Six-spotted Tiger Beetle
Cicindela sexguttata
1,723 observations
Pharaoh Cicada
Magicicada septendecim
1,703 observations
Common Whitetail
Plathemis lydia
1,606 observations
Isabella Tiger Moth
Pyrrharctia isabella
1,565 observations
Horned Passalus Beetle
Odontotaenius disjunctus
1,557 observations
Brown Marmorated Stink Bug
Halyomorpha halys
1,537 observations
Ebony Jewelwing
Calopteryx maculata
1,457 observations
Ailanthus Webworm Moth
Atteva aurea
1,407 observations · iNaturalist
Carolina Mantis
Stagmomantis carolina
1,390 observations
Common Buckeye
Junonia coenia
1,388 observations
Spicebush Swallowtail
Papilio troilus
1,357 observations
Eastern Calligrapher
Toxomerus geminatus
1,332 observations
Blue Dasher
Pachydiplax longipennis
1,330 observations
Tan Jumping Spider
Platycryptus undatus
1,314 observations · iNaturalist
Chinese Mantis
Tenodera sinensis
1,311 observations
North American Wheel Bug
Arilus cristatus
1,300 observations
Margined Calligrapher
Toxomerus marginatus
1,254 observations · iNaturalist
Eastern Pondhawk
Erythemis simplicicollis
1,239 observations
European Hornet
Vespa crabro
1,228 observations
Variegated Fritillary
Euptoieta claudia
1,211 observations
Dark Fishing Spider
Dolomedes tenebrosus
1,193 observations
Green Cloverworm Moth
Hypena scabra
1,167 observations · iNaturalist
Brown-belted Bumble Bee
Bombus griseocollis
1,163 observations
Versute Sharpshooter
Graphocephala versuta
1,153 observations · iNaturalist
Chestnut Carpenter Ant
Camponotus castaneus
1,149 observations · iNaturalist
Coppery Leafhopper
Jikradia olitoria
1,132 observations · iNaturalist
Eastern Boxelder Bug
Boisea trivittata
1,127 observations
Zebra Swallowtail
Eurytides marcellus
1,126 observations
Peck's Skipper
Polites peckius
1,085 observations · iNaturalist
Eastern Yellowjacket
Vespula maculifrons
1,059 observations · iNaturalist
Spotted Cucumber Beetle
Diabrotica undecimpunctata
1,024 observations
Pale Green Assassin Bug
Zelus luridus
1,019 observations
Eastern Tent Caterpillar Moth
Malacosoma americana
970 observations · iNaturalist
Red Milkweed Beetle
Tetraopes tetrophthalmus
957 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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