Insects & Arthropods of Delaware
The insects & arthropods most often spotted in Delaware, ranked by recent research-grade observations.
Most-observed insects & arthropods in Delaware
Asian Lady Beetle
Harmonia axyridis
2,566 observations
Monarch
Danaus plexippus
1,985 observations
Blue Dasher
Pachydiplax longipennis
1,696 observations
Eastern Pondhawk
Erythemis simplicicollis
1,676 observations
Fragile Forktail
Ischnura posita
1,640 observations · iNaturalist
Spotted Lanternfly
Lycorma delicatula
1,601 observations · iNaturalist
Eastern Tiger Swallowtail
Papilio glaucus
1,463 observations
Common Whitetail
Plathemis lydia
1,334 observations
Common Eastern Bumble Bee
Bombus impatiens
1,223 observations
Huron Skipper
Atalopedes huron
1,217 observations · iNaturalist
Western Honey Bee
Apis mellifera
1,152 observations
Slaty Skimmer
Libellula incesta
1,016 observations · iNaturalist
Black Swallowtail
Papilio polyxenes
970 observations
Silver-spotted Skipper
Epargyreus clarus
952 observations
Ebony Jewelwing
Calopteryx maculata
944 observations
Eastern Carpenter Bee
Xylocopa virginica
903 observations
Common Buckeye
Junonia coenia
900 observations
Large Milkweed Bug
Oncopeltus fasciatus
820 observations
Seaside Dragonlet
Erythrodiplax berenice
805 observations · iNaturalist
Eastern Tent Caterpillar Moth
Malacosoma americana
797 observations · iNaturalist
Green Cloverworm Moth
Hypena scabra
792 observations · iNaturalist
Zabulon Skipper
Lon zabulon
779 observations · iNaturalist
Red-spotted Admiral
Limenitis arthemis
775 observations
Small White
Pieris rapae
773 observations
Eastern Amberwing
Perithemis tenera
759 observations · iNaturalist
North American Wheel Bug
Arilus cristatus
725 observations
Carolina Mantis
Stagmomantis carolina
719 observations
Eastern Tailed-Blue
Cupido comyntas
705 observations · iNaturalist
Pearl Crescent
Phyciodes tharos
702 observations
Bold Jumping Spider
Phidippus audax
670 observations
Variegated Fritillary
Euptoieta claudia
661 observations
Spicebush Swallowtail
Papilio troilus
640 observations
Yellow Garden Spider
Argiope aurantia
621 observations
Red Milkweed Beetle
Tetraopes tetrophthalmus
610 observations
Oriental Beetle
Exomala orientalis
609 observations · iNaturalist
Ailanthus Webworm Moth
Atteva aurea
603 observations · iNaturalist
Red Admiral
Vanessa atalanta
598 observations
Margined Leatherwing Beetle
Chauliognathus marginatus
594 observations · iNaturalist
Isabella Tiger Moth
Pyrrharctia isabella
590 observations
Bicolored Sallow
Sunira bicolorago
587 observations · iNaturalist
Seven-spotted Lady Beetle
Coccinella septempunctata
586 observations
Blue-winged Scoliid Wasp
Scolia dubia
585 observations · iNaturalist
Japanese Beetle
Popillia japonica
582 observations
Citrus Flatid Planthopper
Metcalfa pruinosa
574 observations · iNaturalist
Chinese Mantis
Tenodera sinensis
568 observations
Horned Passalus Beetle
Odontotaenius disjunctus
562 observations
Tulip-tree Beauty
Epimecis hortaria
553 observations · iNaturalist
Tan Jumping Spider
Platycryptus undatus
524 observations · iNaturalist
Blue Corporal
Ladona deplanata
516 observations · iNaturalist
Widow Skimmer
Libellula luctuosa
512 observations