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Insects & Arthropods of Fremont, CA

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

122,898
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 122,898 research-grade observations across the 50 most-recorded species near Fremont. The most frequently seen is the Monarch, with 11,723 recorded sightings.

Most-observed insects & arthropods near Fremont

Monarch
Danaus plexippus
11,723 observations
Western Honey Bee
Apis mellifera
10,228 observations
Gray Buckeye
Junonia grisea
5,012 observations · iNaturalist
Anise Swallowtail
Papilio zelicaon
4,622 observations
Asian Lady Beetle
Harmonia axyridis
3,757 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
3,754 observations
Variable Checkerspot
Euphydryas chalcedona
3,608 observations · iNaturalist
Convergent Lady Beetle
Hippodamia convergens
3,561 observations
Fiery Skipper
Hylephila phyleus
3,382 observations · iNaturalist
California Gall Wasp
Andricus quercuscalifornicus
3,135 observations · iNaturalist
Small White
Pieris rapae
3,009 observations
Noble False Widow
Steatoda nobilis
2,940 observations · iNaturalist
Umber Skipper
Lon melane
2,876 observations · iNaturalist
Gulf Fritillary
Dione vanillae
2,373 observations · iNaturalist
European Paper Wasp
Polistes dominula
2,231 observations
Red Cone Gall Wasp
Feron kingi
2,231 observations · iNaturalist
Painted Lady
Vanessa cardui
2,120 observations
Gray Hairstreak
Strymon melinus
2,084 observations
Western Tiger Swallowtail
Papilio rutulus
2,001 observations
Common Checkered-Skipper
Burnsius communis
1,978 observations · iNaturalist
Acmon Blue
Icaricia acmon
1,927 observations · iNaturalist
Spotless Lady Beetle
Cycloneda sanguinea
1,902 observations · iNaturalist
Flame Skimmer
Libellula saturata
1,859 observations · iNaturalist
Mediterranean Katydid
Phaneroptera nana
1,806 observations · iNaturalist
Argentine Ant
Linepithema humile
1,783 observations
Vivid Dancer
Argia vivida
1,777 observations · iNaturalist
American Winter Ant
Prenolepis imparis
1,750 observations
Black-tailed Bumble Bee
Bombus melanopygus
1,728 observations · iNaturalist
European Mantis
Mantis religiosa
1,715 observations
Spotted Cucumber Beetle
Diabrotica undecimpunctata
1,658 observations
Red Admiral
Vanessa atalanta
1,637 observations
California Lady Beetle
Coccinella californica
1,589 observations · iNaturalist
Pumpkin Gall Wasp
Dryocosmus minusculus
1,581 observations · iNaturalist
Bold Jumping Spider
Phidippus audax
1,580 observations
Arizona Mantis
Stagmomantis limbata
1,573 observations · iNaturalist
Spined Turban Gall Wasp
Antron douglasii
1,553 observations · iNaturalist
Coyote Brush Bud Gall Midge
Rhopalomyia californica
1,464 observations · iNaturalist
Yellow-faced Bumble Bee
Bombus vosnesenskii
1,447 observations · iNaturalist
Common Ringlet
Coenonympha california
1,447 observations
Mylitta Crescent
Phyciodes mylitta
1,432 observations · iNaturalist
Large Milkweed Bug
Oncopeltus fasciatus
1,427 observations
Western Yellowjacket
Vespula pensylvanica
1,396 observations · iNaturalist
Mediterranean Spiny False Wolf Spider
Zoropsis spinimana
1,370 observations
Valley Carpenter Bee
Xylocopa sonorina
1,367 observations · iNaturalist
West Coast Lady
Vanessa annabella
1,285 observations · iNaturalist
California Tortoiseshell
Nymphalis californica
1,269 observations
Woodland Skipper
Ochlodes sylvanoides
1,261 observations · iNaturalist
Cross Orbweaver
Araneus diadematus
1,235 observations
Horse-fly Carpenter Bee
Xylocopa tabaniformis
1,235 observations
California Sister
Adelpha californica
1,220 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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