Steatoda nobilis m

Common Name:
Family: Theridiidae
Scientific Name: Steatoda nobilis
Size: See Image 2

Theridion goodnightorum m

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

American house spider f

Common Name: American house spider
Family: Theridiidae
Scientific Name: Parasteatoda tepidariorum
Size: 8 mm

false black widow f

Common Name: false black widow
Family: Theridiidae
Scientific Name: Steatoda grossa
Size: 5.9 – 10.5 mm

Kukulkania utahana f

Common Name:
Family: Filistatidae
Scientific Name: Kukulkania utahana
Size: 14 mm

southern house spider m

Common Name: southern house spider
Family: Filistatidae
Scientific Name: Kukulcania hibernalis
Size: See Image 2

southern house spider f

Common Name: southern house spider
Family: Filistatidae
Scientific Name: Kukulcania hibernalis
Size: See Image 1

Dictyna calcarata m

Common Name:
Family: Dictynidae
Scientific Name: Dictyna calcarata
Size: 3 mm

Dictyna calcarata f

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

Badumna longinqua m

Common Name:
Family: Desidae
Scientific Name: Badumna longinqua
Size: See Image 4

Badumna longinqua f

Common Name:
Family: Desidae
Scientific Name: Badumna longinqua
Size: 8 – 13 mm

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

Steatoda nobilis f

Common Name:
Family: Theridiidae
Scientific Name: Steatoda nobilis
Size: See Image 4

American house spider m

Common Name: American house spider
Family: Theridiidae
Scientific Name: Parasteatoda tepidariorum
Size: 3.8 – 4.7 mm

brown widow m

Common Name: brown widow
Family: Theridiidae
Scientific Name: Latrodectus geometricus
Size: See Image 4

Brown widow f

Common Name: brown widow
Family: Theridiidae
Scientific Name: Latrodectus geometricus
Size: See Image 6

Theridion melanurum f

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

Neoscona crucifera m

Common Name:
Family: Araneidae
Scientific Name: Neoscona crucifera
Size: 4.5 – 15 mm

Neoscona crucifera f

Common Name:
Family: Araneidae
Scientific Name: Neoscona crucifera
Size: 8.5 – 19.7 mm

Araneus gemma m

Common Name:
Family: Araneidae
Scientific Name: Araneus gemma
Size: 5.8 – 8.5 mm

Araneus gemma f

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

Araneus detrimentosus f

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

Marbled cellar spider f

Common Name: marbled cellar spider
Family: Pholcidae
Scientific Name: Holocnemus pluchei
Size: 7 – 8 mm

Marbled cellar spider m

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

Oecobius navus m

Common Name:
Family: Oecobiidae
Scientific Name: Oecobius navus
Size: 2 – 2.6 mm

Oecobius navus f

Common Name:
Family: Oecobiidae
Scientific Name: Oecobius navus
Size: 2.5 – 2.9 mm

Theridion melanurum m

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