Home / Crevice Weavers / Arizona Black Hole Spider (Kukulcania arizonica)

Arizona Black Hole Spider (Kukulcania arizonica)

The Arizona black hole spider is a member of the family of crevice web spiders. As both its common and scientific names indicate, it resides in Arizona.

Scientific Classification

Arizona Black Hole Spider

Physical Description and Identification

Adults

Size: Male: 0.6 cm Female: 1.3 cm

Color: They are black, with a fine texture.

Other Characteristic Features: Males have longer legs and slimmer bodies than females.

Eggs

The eggs are loosely wrapped within the silken sac and kept safely inside the funnel-shaped webbing.

Spiderlings

After hatching, they stay with their mother for some time before dispersing.

The Web

They produce robust and adhesive webbing around crevices or cracks.

Is the Arizona Black Hole Spider Venomous

They only bite if disturbed, and their venom causes mild swelling.

Kukulcania arizonica

Quick Facts

Lifespan 5-8 years
Distribution The United States, including Arizona, California,  Nevada, and  New Mexico
Habitat Underneath rocks and in caves
Diet Beetles, cockroaches, and houseflies

Did You Know

  • American biologist Ralph Vary Chamberlin and American entomologist Vaine Wilton Ivie first described this spider in 1935.

Image Source: inaturalist-open-data.s3.amazonaws.com, arachnoboards.com

The Arizona black hole spider is a member of the family of crevice web spiders. As both its common and scientific names indicate, it resides in Arizona.

Arizona Black Hole Spider

Physical Description and Identification

Adults

Size: Male: 0.6 cm Female: 1.3 cm

Color: They are black, with a fine texture.

Other Characteristic Features: Males have longer legs and slimmer bodies than females.

Eggs

The eggs are loosely wrapped within the silken sac and kept safely inside the funnel-shaped webbing.

Spiderlings

After hatching, they stay with their mother for some time before dispersing.

The Web

They produce robust and adhesive webbing around crevices or cracks.

Is the Arizona Black Hole Spider Venomous

They only bite if disturbed, and their venom causes mild swelling.

Kukulcania arizonica

Quick Facts

Lifespan 5-8 years
Distribution The United States, including Arizona, California,  Nevada, and  New Mexico
Habitat Underneath rocks and in caves
Diet Beetles, cockroaches, and houseflies

Did You Know

  • American biologist Ralph Vary Chamberlin and American entomologist Vaine Wilton Ivie first described this spider in 1935.

Image Source: inaturalist-open-data.s3.amazonaws.com, arachnoboards.com