Trashline orb weaver m

Common Name: trashline orb weaver
Family: Araneidae
Scientific Name: Cyclosa turbinata
Size: See Image 2

Theridion goodnightorum m

Common Name:
Family: Theridiidae
Scientific Name: Theridion goodnightorum
Size: 2.7mm

Araneus gemmoides f

Common Name:
Family: Araneidae
Scientific Name: Araneus gemmoides
Size: See Image 3

Mecaphesa gabrielensis m

Common Name:
Family: Thomisidae
Scientific Name: Mecaphesa gabrielensis
Size: See Image 2

Araneus diadematus f

Common Name:
Family: Araneidae
Scientific Name: Araneus diadematus
Size: See Image4

Metepeira foxi m

Common Name:
Family: Araneidae
Scientific Name: Metepeira foxi
Size: 2.7 – 4.5 mm

Johnson jumper f

Common Name: Johnson Jumper
Family: Salticidae
Scientific Name: Phidippus johnsoni
Size: 8 – 13 mm

Xysticus montanensis m

Common Name:
Family: Thomisidae
Scientific Name: Xysticus montanensis
Size: See Image 1

Xysticus montanensis f

Common Name:
Family: Thomisidae
Scientific Name: Xysticus montanensis
Size: 7 mm

Ground crab spider m

Common Name: ground crab spider
Family: Thomisidae
Scientific Name: Xysticus californicus
Size:See Image 6

Ground crab spider f

Common Name: ground crab spider
Family: Thomisidae
Scientific Name: Xysticus californicus
Size: 4.7 mm

Xysticus locuples f

Common Name:
Family: Thomisidae
Scientific Name: Xysticus locuples
Size: 8.5 mm

Tmarus angulatus f

Common Name:
Family: Thomisidae
Scientific Name: Tmarus angulatus
Size: See Image 5

Mecaphesa dubia f

Common Name:
Family: Thomisidae
Scientific Name: Mecaphesa dubia
Size: See Image 1

Bassaniana utahensis m

Common Name:
Family: Thomisidae
Scientific Name:Bassaniana utahensis
Size: 4.1 – 6.3 mm

Sitticus dorsatus m

Common Name:
Family: Salticidae
Scientific Name: Attinella dorsata
Size: Image 2

Phidippus adumbratus m

Common Name:
Family: Salticidae
Scientific Name: Phidippus adumbratus
Size: 6.4 – 8.0 mm

Phanias sp 1 f

Common Name:
Family: Salticidae
Scientific Name: Phanias sp 1
Size: See Image 1

Phanias concoloratus m

Common Name:
Family: Salticidae
Scientific Name: Phanias concoloratus
Size: 3.5 mm

Peckhamia n. sp. m

Common Name:
Family: Salticidae
Scientific Name: Peckhamia N. sp
Size: See Image 2

Metecyrba taeniola m

Common Name:
Family: Salticidae
Scientific Name: Metecyrba taeniola
Size: See Image 1

Metacyrba taeniola f

Common Name:
Family: Salticidae
Scientific Name: Metacyrba taeniola
Size: 5 – 7 mm

Habronattus hirsutus m

Common Name:
Family: Salticidae
Scientific Name: Habronattus hirsutus
Size: See Image 5

Habronattus elegans m

Common Name:
Family: Salticidae
Scientific Name: Habronattus elegans
Size: 5 mm

Habronattus oregonensis m

Common Name:
Family: Salticidae
Scientific Name: Habronattus oregonensis
Size: Image 2

Pirate spider f

Common Name: pirate spider
Family: Mimetidae
Scientific Name: Mimetus eutypus
Size: 4.7 mm

Alopecosa kochii m

Common Name:
Family: Lycosidae
Scientific Name: Alopecosa kochii
Size: Image 5

Pirate spider m

Common Name: pirate spider
Family: Mimetidae
Scientific Name: Mimetus eutypus
Size: 3 – 5 mm

Apollophanes texanus m

Common Name:
Family: Philodromidae
Scientific Name: Apollophanes texanus
Size: 5 mm

Thanatus vulgaris f

Common Name:
Family: Philodromidae
Scientific Name: Thanatus vulgaris
Size: 5 – 10 mm

Thanatus vulgaris m

Common Name:
Family: Philodromidae
Scientific Name:Thanatus vulgaris
Size: 5 mm

Slender crab spider f

Common Name: slender crab spider
Family: Philodromidae
Scientific Name: Tibellus chamberlini
Size: See Image 1

Diaea livens m

Common Name:
Family: Thomisidae
Scientific Name: Diaea livens
Size: See Image 4

Diaea livens f

Common Name:
Family: Thomisidae
Scientific Name: Diaea livens
Size: See Image 5

Mecaphesa californica f

Common Name:
Family: Thomisidae
Scientific Name: Mecaphesa californica
Size: See Image 5

Whitebanded crab spider m

Common Name: whitebanded crab spider
Family: Thomisidae
Scientific Name: Misumenoides formosipes
Size: See Image 4

Hamataliwa grisea f

Common Name:
Family: Oxyopidae
Scientific Name: Hamataliwa grisea
Size: 9 – 11 mm

Anachemmis sober m

Common Name:
Family: Zoropsidae
Scientific Name: Anachemmis sober
Size: See Image 4

Calif. ebony tarantula m

Common Name: Calif. Ebony tarantula
Family: Theraphosidae
Scientific Name: Aphonopelma eutylenum
Size: 40 mm & see image 2

Calif. ebony tarantula f

Common Name: Calif. Ebony tarantula
Family: Theraphosidae
Scientific Name: Aphonopelma eutylenum
Size: 25 – 44 mm

Curicaberis peninsulanus f

Common Name:
Family: Sparassidae
Scientific Name: Curicaberis peninsulanus
Size: See Image 2

Phidippus boei m

Common Name:
Family: Salticidae
Scientific Name: Phidippus boei
Size: 7.9 mm

Schizocosa mccooki f

Common Name:
Family: Lycosidae
Scientific Name: Schizocosa mccooki
Size: 4.7 mm

Thinlegged wolf spider f

Common Name: thinlegged wolf spider
Family: Lycosidae
Scientific Name: Pardosa vadosa
Size: 2.9 – 9.3 mm

Thinlegged wolf spider f

Common Name: thinlegged wolf spider
Family: Lycosidae
Scientific Name: Pardosa steva
Size: See Image 1

Thinlegged wolf spider m

Common Name: thinlegged wolf spider
Family: Lycosidae
Scientific Name: Pardosa californica
Size: 4.7 – 5.3 mm

Thinlegged wolf spider m

Common Name: thinlegged wolf spider
Family: Lycosidae
Scientific Name: Pardosa atromedia
Size: See Image 1

Thinlegged wolf spider f

Common Name: thinlegged wolf spider
Family: Lycosidae
Scientific Name: Pardosa atromedia
Size: See Image 1

Alopecosa kochii m

Common Name:
Family: Lycosidae
Scientific Name: Alopecosa kochii
Size: See Image 1

Homalonychus theologus f

Common Name:
Family: Homalonychidae
Scientific Name: Homalonychus theologus
Size: 6.8 to 12.5 mm

Zelotes gynethus m

Common Name:
Family: Gnaphosidae
Scientific Name: Zelotes gynethus
Size: 5 mm

Sergiolus montanus m

Common Name:
Family: Gnaphosidae
Scientific Name: Sergiolus montanus
Size: See Image 1

Micaria pasadena f

Common Name:
Family: Gnaphosidae
Scientific Name: Micaria pasadena
Size: 3.3 – 4.3 mm

Drassyllus proclesis m

Common Name:
Family: Gnaphosidae
Scientific Name: Drassyllus proclesis
Size: See Image 5

Drassyllus insularis m

Common Name:
Family: Gnaphosidae
Scientific Name: Drassyllus insularis
Size: 5 mm

Cessonia trivittata f

Common Name:
Family: Gnaphosidae
Scientific Name: Cessonia trivittata
Size: 4.5 – 5.9 mm

Apomastus sp 1 f

Common Name:
Family: Euctenizidae
Scientific Name: Apomastus sp 1
Size: 23 mm

Hebestatis theveneti f

Common Name:
Family: Holonoproctidae
Scientific Name: Hebestatis theveneti
Size: See Image 2

California trap-door spider f

Common Name: California trap-door spider
Family: Holonoproctidae
Scientific Name: Bothriocyrtum californicum
Size: 28 – 33 mm

California trap-door spider m

Common Name: California trap-door spider
Family: Holonoproctidae
Scientific Name: Bothriocyrtum californicum
Size: 18 – 24 mm

Castianneira thalia f

Common Name:
Family: Corinnidae
Scientific Name: Castianneira thalia
Size: 5.8 mm

Castianeira athena m

Common Name:
Family: Corinnidae
Scientific Name: Castianeira athena
Size: See Image 1

Castianeira occidens f

Common Name:
Family: Corinnidae
Scientific Name: Castianeira occidens
Size: 7.5 – 9 mm

Mallos pallidus f

Common Name:
Family: Dictynidae
Scientific Name: Mallos pallidus
Size: See Image 3

Mallos pearcei f

Common Name:
Family: Dictynidae
Scientific Name: Mallos pearcei
Size: See Image 1

Bowl and Doily spider m

Common Name: bowl and doily spider
Family: Linyphiidae
Scientific Name: Frontinella pyramitela
Size: See Image 4

Theridion punctipes m

Common Name:
Family: Theridiidae
Scientific Name: Theridion punctipes
Size: 2.7 mm

Crustulina sticta m

Common Name:
Family: Theridiidae
Scientific Name: Crustulina sticta
Size: See Image 1

Crustulina sticta f

Common Name:
Family: Theridiidae
Scientific Name: Crustulina sticta
Size: See Image 1

Asagena pulcher m

Common Name:
Family: Theridiidae
Scientific Name: Asagena pulcher
Size: See Image 3

Grass spider m

Common Name: grass spider
Family: Agelenidae
Scientific Name: Agelenopsis aperta
Size: See Image 4

Grass spider f

Common Name: grass spider
Family: Agelenidae
Scientific Name: Agelenopsis aperta
Size: 10 – 19 mm

Zygiella x-notata f

Common Name:
Family: Araneidae
Scientific Name: Zygiella x-notata
Size: 7.4 – 8.7 mm

Longjawed orbweaver m

Common Name: longjawed orb weaver
Family: Tetragnathidae
Scientific Name: Tetragnatha versicolor
Size: See Image 3

Longjawed orbweaver f

Common Name: longjawed orbweaer
Family: Tetragnathidae
Scientific Name: Tetragnatha versicolor
Size: 6.5 mm

Longjawed orbweaver m

Common Name: longjawed orbweaver
Family: Tetragnathidae
Scientific Name: Tetragnatha nitens
Size: See Image 1

Longjawed orbweaver f

Common Name: longjawed orbweaver
Family: Tetragnathidae
Scientific Name: Tetragnatha nitens
Size: 7.4 – 11 mm

Silver garden spider

Common Name: silver garden spider
Family: Araneidae
Scientific Name: Argiope argentata
Size: 12 – 16 mm

Eustala californiensis f

Common Name:
Family: Araneidae
Scientific Name: Eustala californiensis
Size: See Image 4

Larinia directa f

Common Name:
Family: Araneidae
Scientific Name: Larinia directa
Size: See Image 1

Larinia directa m

Common Name:
Family: Araneidae
Scientific Name: Larinia directa
Size: 4.5 – 6.5 mm

Bridge orbweaver f

Common Name: bridge orbweaver
Family: Araneidae
Scientific Name: Larinioides sclopetarius
Size: See Image 5

Bridge orbweaver m

Common Name: bridge orbweaver
Family: Araneidae
Scientific Name: Larinioides sclopetarius
Size: See Image 6

Metazygia zilloides f

Common Name:
Family: Araneidae
Scientific Name: Metazygia zilloides
Size: See Image 2

Metazygia zilloides m

Common Name:
Family: Araneidae
Scientific Name: Metazygia zilloides
Size: See Image 6

Uloborus diversus f

Common Name:
Family: Uloboridae
Scientific Name: Uloborus diversus
Size: 3.2 – 4.7 mm

Uloborus diversus m

Common Name:
Family: Ulorboridae
Scientific Name: Uloborus diversus
Size: 2.1 – 2.7 mm

Metepeira crassipes m

Common Name:
Family: Araneidae
Scientific Name: Metepeira crassipes
Size: See Image 5

Metepeira crassipes f

Common Name:
Family: Araneidae
Scientific Name: Metepeira crassipes
Size: 5.9 – 7.2 mm

Metepeira spinipes f

Common Name:
Family: Araneidae
Scientific Name: Metepeira spinipes
Size: 6 mm

Trashline orb weaver f

Common Name: Trashline orb weaver
Family: Araneidae
Scientific Name: Cyclosa conica
Size: See Image 1

Trashline orb weaver m

Common Name: trashline orb weaver
Family: Araneidae
Scientific Name: Cyclosa conica
Size: See Image 5

Trashline orb weaver f

Common Name: trashline orb weaver
Family: Araneidae
Scientific Name: Cyclosa turbinata
Size: See Image 3

Banded garden spider f

Common Name: banded garden spider
Family: Ananeidae
Scientific Name: Argiope trifasciata
Size: 15 – 25 mm

Silver garden spider m

Common Name: silver garden spider
Family: Araneidae
Scientific Name: Argiope argentata
Size: 3.7 – 4.7 mm

Silver garden spider f

Common Name: silver garden spider
Family: Araneidae
Scientific Name: Argiope argentata
Size: 12 – 16 mm

Yellow garden spider f

Common Name: yellow garden spider
Family: Araneidae
Scientific Name: Argiope aurantia
Size: 19 – 28 mm

Mimetus hesperus m

Common Name:
Family: Mimetidae
Scientific Name: Mimetus hesperus
Size: See Image 5

Dictyna agressa m

Common Name:
Family: Dictynidae
Scientific Name: Dictyna agressa
Size: See Image 1

Bolas spider m

Common Name: bolas spider
Family: Araneidae
Scientific Name: Mastophora cornigera
Size: See Image 1

Bolas spider f

Common Name: bolas spider
Family: Araneidae
Scientific Name: Mastophora cornigera
Size: 12 mm

Neriene digna f

Common Name:
Family: Linyphiidae
Scientific Name: Neriene digna
Size: See Image 4

Theridion murarium m

Common Name:
Family: Theridiidae
Scientific Name: Theridion murarium
Size: See Image 2

Theridion kawea f

Common Name:
Family: Theridiidae
Scientific Name: Theridion kawea
Size: See Image 1

Asagena pulcher f

Common Name:
Family: Theridiidae
Scientific Name: Asagena pulcher
Size: See Image 3

Asagena fulva f

Common Name:
Family: Theridiidae
Scientific Name: Asagena fulva
Size: 3 – 6.5 mm

Psilochorus utahensis f

Common Name:
Family: Pholcidae
Scientific Name: Psilochorus utahensis
Size: 5.7 mm

Psilochorus californiae m

Common Name:
Family: Pholcidae
Scientific Name: Psilochorus californiae
Size: 2.4 mm

Psilochorus californiae f

Common Name:
Family: Pholcidae
Scientific Name: Psilochorus californiae
Size: 2.7 mm

Tidarren haemorrhoidale f

Common Name:
Family: Theridiidae
Scientific Name: Tidarren haemorrhoidale
Size: See Image 2

Hololena dana f

Common Name:
Family: Agelenidae
Scientific Name: Hololena dana
Size: 11.2 mm

Funnel web spider m

Common Name: funnel web weaver
Family: Agelenidae
Scientific Name: Hololena santana
Size: 11 mm

Araneus andrewsi f

Common Name:
Family: Araneidae
Scientific Name: Araneus andrewsi
Size: See Image 6

Araneus montereyensis f

Common Name:
Family: Araneidae
Scientific Name: Araneus montereyensis
Size: See Image 6

Araneus montereyensis m

Common Name:
Family: Araneidae
Scientific Name: Araneus montereyensis
Size: See Image 1

Eriophora edax f

Common Name:
Family: Araneidae
Scientific Name: Eriophora edax
Size: See Image 3

Eriophora edax m

Common Name:
Family: Araneidae
Scientific Name: Eriophora edax
Size: See Image 1

Western spotted orbweaver f

Common Name: Western spotted orbweaver
Family: Araneidae
Scientific Name: Neoscona oaxacensis
Size: 11 – 17 mm

Western spotted orbweaver m

Common Name: Western spotted orbweaver
Family: Araneidae
Scientific Name: Neoscona oaxacensis
Size: 5 – 12 mm

Dewdrop spider f

Common Name: dewdrop spider
Family: Theridiidae
Scientific Name: Argyrodes elevatus
Size: See Image 2

Dewdrop spider m

Common Name: dewdrop spider
Family: Theridiidae
Scientific Name: Argyrodes elevatus
Size: Argyrodes elevatus

Sassacus vitis m

Common Name:
Family: Salticidae
Scientific Name: Sassacus vitis
Size: See Image 4

Sassacus vitis f

Common Name:
Family: Salticidae
Scientific Name: Sassacus vitis
Size: See Image 1

Salticus palpalis m

Common Name:
Family: Salticidae
Scientific Name: Salticus palpalis
Size: 4.5 mm

Salticus palpalis f

Common Name:
Family: Salticidae
Scientific Name: Salticus palpalis
Size: See Image 1

Johnson jumper m

Common Name: Johnson Jumper
Family: Salticidae
Scientific Name: Phidippus johnsoni
Size: 7.2 – 11 mm

Johnson jumper f

Common Name: Johnson Jumper
Family: Salticidae
Scientific Name: Phidippus johnsoni
Size: 8 – 13 mm

Phidippus californicus f

Common Name:
Family: Salticidae
Scientific Name: Phidippus californicus
Size: 8.7 – 15.5 mm

Bold jumper m

Common Name: bold jumper
Family: Salticidae
Scientific Name: Phidippus audax
Size: See Image 6

Pelegrina aeneola f

Common Name:
Family: Salticidae
Scientific Name: Pelegrina aeneola
Size: 5 – 6 mm

Marpissa robusta m

Common Name:
Family: Salticidae
Scientific Name: Marpissa robusta
Size: 8.5 mm

Habronattus pyrrithrix m

Common Name:
Family: Salticidae
Scientific Name: Habronattus pyrrithrix
Size: See Image 6

Habronattus pyrrithrix f

Common Name:
Family: Salticidae
Scientific Name: Habronattus pyrrithrix
Size: 8 mm

Evarcha proszynskii m

Common Name:
Family: Salticidae
Scientific Name: Evarcha proszynskii
Size: 4.3 – 5.5 mm

Neriene digna m

Common Name:
Family: Linyphiidae
Scientific Name: Neriene digna
Size: See Image 3

Misumenoides formosipes f

Common Name: whitebanded crab spider
Family: Thomisidae
Scientific Name: Misumenoides formosipes
Size: See Image 3

Mecaphesa californica m

Common Name:
Family:Thomisidae
Scientific Name: Mecaphesa californica
Size: See Image 1 and 5

Phanias harfordi m

Common Name:
Family: Salticidae
Scientific Name: Phanias harfordi
Size: See Image 1

Green lynx spider m

Common Name: green lynx spider
Family: Oxyopidae
Scientific Name: Peucetia viridans
Size: See Image 4

Green lynx spider f

Common Name: green lynx spider
Family: Oxyopidae
Scientific Name: Peucetia viridans
Size: 14 – 16 mm

Oxyopes scalaris m

Common Name:
Family: Oxyopidae
Scientific Name: Oxyopes scalaris
Size: See Image 2

Western lynx spider f

Common Name: Western lynx spider
Family: Oxyopidae
Scientific Name: Oxyopes scalaris
Size: 7 – 8 mm

Striped lynx spider m

Common Name: striped lynx spider
Family: Oxyopidae
Scientific Name: Oxyopes salticus
Size: 5.7 -6.7 mm

Oxyopes salticus m

Common Name:
Family: Oxyopidae
Scientific Name: Oxyopes salticus
Size: 4 – 4.5 mm

Synageles noxiosus f

Common Name:
Family: Salticidae
Scientific Name: Synageles noxiosus
Size: See Image 5

Neon avalonus f

Common Name:
Family: Salticidae
Scientific Name: Neon avalonus
Size: See Image 1

Pardosa sp1 f

Common Name:
Family: Lycosidae
Scientific Name: Pardosa sp1
Size: about 6 – 7 mm

thinlegged wolf spider f

Common Name: thinlegged wolf spider
Family: Lycosidae
Scientific Name: Pardosa californica
Size: See Image 1

Alopecosa kochii f

Common Name:
Family: Lycosidae
Scientific Name: Alopecosa kochii
Size: See Image 4

Marinarozelotes lyonneti m

Common Name:
Family: Gnaphosidae
Scientific Name: Marinarozelotes lyonneti
Size: See Image 5

Heser nilicola m

Common Name:
Family: Gnaphosidae
Scientific Name: Heser nilicola
Size: 3 mm

Heser nilicola f

Common Name:
Family: Gnaphosidae
Scientific Name: Heser nilicola
Size: See Image 5

Creugas bajulus f

Common Name:
Family: Corinnidae
Scientific Name: Creugas bajulus
Size: See Image 2

Castianeira thalia m

Common Name:
Family: Corinnidae
Scientific Name: Castianeira thalia
Size: See Image 1

Sergiolus montanus f

Common Name:
Family: Gnaphosidae
Scientific Name: Sergiolus montanus
Size: 5 – 8 mm

Sergiolus gertschi m

Common Name:
Family: Gnaphosidae
Scientific Name: Sergiolus gertschi
Size: See Image 5

western black widow f

Common Name: western black widow
Family: Theridiidae
Scientific Name: Latrodectus hesperus
Size: See Image 6

western black widow m

Common Name: western black widow
Family: Theridiidae
Scientific Name: Latrodectus hesperus
Size: See Image 3

Dictyna calcarata f

Common Name:
Family: Dictynidae
Scientific Name: Dictyna calcarata
Size: See Image 3

Tidarren sisyphoides m

Common Name:
Family: Theridiidae
Scientific Name: Tidarren sisyphoides
Size: See Image 3

Tidarrren sisyphoides f

Common Name:
Family: Theridiidae
Scientific Name: Tidarrren sisyphoides
Size: See Images 2 & 3

Theridion submissum m

Common Name:
Family: Theridiidae
Scientific Name: Theridion submissum
Size: See Image 3

Araneus detrimentosus f

Common Name:
Family: Araneidae
Scientific Name: Araneus detrimentosus
Size: See Image 1

Colonus hesperus m

Common Name:
Family: Salticidae
Scientific Name: Colonus hesperus
Size: 6 mm

Colonus hesperus f

Common Name:
Family: Salticidae
Scientific Name: Colonus hesperus
Size: 7 mm

Agrarian sac spider m

Common Name: agrarian sac spider
Family: Cheiracanthiidae
Scientific Name: Cheiracanthium mildei
Size: See Image 4

Agrarian sac spider f

Common Name: agrarian sac spider
Family: Cheiracanthiidae
Scientific Name: Cheiracanthium mildei
Size: See Image 4

Marbled cellar spider m

Common Name: marbled cellar spider
Family: Pholcidae
Scientific Name: Holocnemus pluchei
Size: 6 mm

Cryptachaea porteri f

Common Name:
Family: Theridiidae
Scientific Name: Cryptachaea porteri
Size: See Image 3

Cryptachaea porteri m

Common Name:
Family: Theridiidae
Scientific Name: Cryptachaea porteri
Size: See Image 1

Theridion melanurum m

Common Name:
Family: Theridiidae
Scientific Name: Theridion melanurum
Size: See Image 4

Spitting spider f

Common Name: Spitting Spider
Family: Scytodidae
Scientific Name: Scytodes fusca
Size: See Image 2

Herphyllus propinquus m

Common Name:
Family: Gnaphosidae
Scientific Name: Herphyllus propinquus
Size: See Image 1

Anyphaena californica m

Common Name:
Family: Anyphaenidae
Scientific Name: Anyphaena californica
Size: 4.7 mm

Anyphaena californica f

Common Name:
Family: Anyphaenidae
Scientific Name: Anyphaena californica
Size: See Picture 1