Insects & Arthropods of San Diego, California
The insects & arthropods most often spotted near San Diego, ranked by recent research-grade observations.
Most-observed insects & arthropods near San Diego
Western Honey Bee
Apis mellifera
10,854 observations
Monarch
Danaus plexippus
6,393 observations
Yellow-faced Bumble Bee
Bombus vosnesenskii
5,687 observations · iNaturalist
Silver Garden Orbweaver
Argiope argentata
3,790 observations · iNaturalist
Mourning Cloak
Nymphalis antiopa
3,337 observations
Fiery Skipper
Hylephila phyleus
3,214 observations · iNaturalist
Gray Bird Grasshopper
Schistocerca nitens
3,054 observations · iNaturalist
Noble False Widow
Steatoda nobilis
2,856 observations · iNaturalist
Harlequin Bug
Murgantia histrionica
2,725 observations · iNaturalist
Figeater Beetle
Cotinis mutabilis
2,580 observations · iNaturalist
White-lined Sphinx
Hyles lineata
2,577 observations · iNaturalist
Behr's Metalmark
Apodemia virgulti
2,434 observations · iNaturalist
Marine Blue
Leptotes marina
2,298 observations · iNaturalist
Peridot Sweat Bee
Augochlorella pomoniella
2,262 observations · iNaturalist
Seven-spotted Lady Beetle
Coccinella septempunctata
2,130 observations
Small White
Pieris rapae
2,127 observations
Arizona Mantis
Stagmomantis limbata
2,044 observations · iNaturalist
Fine striped sweat bee
Agapostemon subtilior
2,004 observations · iNaturalist
Asian Lady Beetle
Harmonia axyridis
1,874 observations
Gray Hairstreak
Strymon melinus
1,826 observations
Salt Marsh Moth
Estigmene acrea
1,756 observations · iNaturalist
Dotted Paropsine Leaf Beetle
Paropsis atomaria
1,707 observations · iNaturalist
Western Giant Swallowtail
Heraclides rumiko
1,698 observations · iNaturalist
Painted Lady
Vanessa cardui
1,603 observations
Gulf Fritillary
Dione vanillae
1,575 observations · iNaturalist
Anise Swallowtail
Papilio zelicaon
1,565 observations
Spotless Lady Beetle
Cycloneda sanguinea
1,489 observations · iNaturalist
Western Tiger Swallowtail
Papilio rutulus
1,480 observations
Brown Widow
Latrodectus geometricus
1,475 observations · iNaturalist
Vivid Dancer
Argia vivida
1,348 observations · iNaturalist
Green Lynx Spider
Peucetia viridans
1,272 observations · iNaturalist
Ligated Furrow Bee
Halictus ligatus
1,266 observations · iNaturalist
Western Pygmy-Blue
Brephidium exilis
1,237 observations · iNaturalist
Oblique Streaktail
Allograpta obliqua
1,199 observations · iNaturalist
Red-shouldered Bug
Jadera haematoloma
1,167 observations · iNaturalist
Gray Buckeye
Junonia grisea
1,165 observations · iNaturalist
Lorquin's Admiral
Limenitis lorquini
1,163 observations
Umber Skipper
Lon melane
1,143 observations · iNaturalist
Tripartite Sweat Bee
Halictus tripartitus
1,135 observations · iNaturalist
Convergent Lady Beetle
Hippodamia convergens
1,110 observations
Argentine Ant
Linepithema humile
1,064 observations
Black-tailed Bumble Bee
Bombus melanopygus
1,037 observations · iNaturalist
California Bumble Bee
Bombus californicus
1,033 observations · iNaturalist
West Coast Lady
Vanessa annabella
1,004 observations · iNaturalist
Margined Calligrapher
Toxomerus marginatus
986 observations · iNaturalist
Southwestern Shortface
Dufourea australis
973 observations · iNaturalist
Johnson's Jumping Spider
Phidippus johnsoni
953 observations · iNaturalist
Diabolical Ironclad Beetle
Phloeodes diabolicus
942 observations · iNaturalist
Blue Dasher
Pachydiplax longipennis
925 observations
Spotted Orbweaver
Neoscona crucifera
916 observations