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Insects & Arthropods of Fremont, CA

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

123,907
recent observations
50
species listed
50
insects & arthropods

Naturalists have logged 123,907 research-grade observations across the 50 most-recorded species near Fremont. The most frequently seen is the Monarch, with 11,883 recorded sightings.

Most-observed insects & arthropods near Fremont

Monarch
Danaus plexippus
11,883 observations
Western Honey Bee
Apis mellifera
10,327 observations
Gray Buckeye
Junonia grisea
5,030 observations · iNaturalist
Anise Swallowtail
Papilio zelicaon
4,644 observations
Asian Lady Beetle
Harmonia axyridis
3,802 observations
Seven-spotted Lady Beetle
Coccinella septempunctata
3,769 observations
Variable Checkerspot
Euphydryas chalcedona
3,609 observations · iNaturalist
Convergent Lady Beetle
Hippodamia convergens
3,577 observations
Fiery Skipper
Hylephila phyleus
3,436 observations · iNaturalist
California Gall Wasp
Andricus quercuscalifornicus
3,151 observations · iNaturalist
Small White
Pieris rapae
3,034 observations
Noble False Widow
Steatoda nobilis
2,954 observations · iNaturalist
Umber Skipper
Lon melane
2,895 observations · iNaturalist
Gulf Fritillary
Dione vanillae
2,388 observations · iNaturalist
Red Cone Gall Wasp
Feron kingi
2,255 observations · iNaturalist
European Paper Wasp
Polistes dominula
2,232 observations
Painted Lady
Vanessa cardui
2,128 observations
Gray Hairstreak
Strymon melinus
2,093 observations
Western Tiger Swallowtail
Papilio rutulus
2,003 observations
Common Checkered-Skipper
Burnsius communis
2,001 observations · iNaturalist
Spotless Lady Beetle
Cycloneda sanguinea
1,966 observations · iNaturalist
Acmon Blue
Icaricia acmon
1,930 observations · iNaturalist
Flame Skimmer
Libellula saturata
1,875 observations · iNaturalist
Mediterranean Katydid
Phaneroptera nana
1,810 observations · iNaturalist
American Winter Ant
Prenolepis imparis
1,806 observations
Argentine Ant
Linepithema humile
1,791 observations
Vivid Dancer
Argia vivida
1,780 observations · iNaturalist
European Mantis
Mantis religiosa
1,729 observations
Black-tailed Bumble Bee
Bombus melanopygus
1,728 observations · iNaturalist
Spotted Cucumber Beetle
Diabrotica undecimpunctata
1,667 observations
Red Admiral
Vanessa atalanta
1,646 observations
Arizona Mantis
Stagmomantis limbata
1,644 observations · iNaturalist
Bold Jumping Spider
Phidippus audax
1,601 observations
California Lady Beetle
Coccinella californica
1,595 observations · iNaturalist
Pumpkin Gall Wasp
Dryocosmus minusculus
1,586 observations · iNaturalist
Spined Turban Gall Wasp
Antron douglasii
1,562 observations · iNaturalist
Coyote Brush Bud Gall Midge
Rhopalomyia californica
1,466 observations · iNaturalist
Large Milkweed Bug
Oncopeltus fasciatus
1,458 observations
Yellow-faced Bumble Bee
Bombus vosnesenskii
1,450 observations · iNaturalist
Common Ringlet
Coenonympha california
1,447 observations
Mylitta Crescent
Phyciodes mylitta
1,437 observations · iNaturalist
Western Yellowjacket
Vespula pensylvanica
1,404 observations · iNaturalist
Mediterranean Spiny False Wolf Spider
Zoropsis spinimana
1,403 observations
Valley Carpenter Bee
Xylocopa sonorina
1,368 observations · iNaturalist
West Coast Lady
Vanessa annabella
1,291 observations · iNaturalist
California Tortoiseshell
Nymphalis californica
1,271 observations
Woodland Skipper
Ochlodes sylvanoides
1,265 observations · iNaturalist
Cross Orbweaver
Araneus diadematus
1,247 observations
Oleander Aphid
Aphis nerii
1,237 observations
Horse-fly Carpenter Bee
Xylocopa tabaniformis
1,236 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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