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The spider species Steatoda grandis belongs to the genus Steatoda, in the family Theridiidae. Steatoda grandis spiders have been sighted Taxonomic Hierarchy
- Kingdom: Animalia
- Phylum: Arthropoda
- Class: Arachnida
- Order: Araneae
- Suborder: Araneomorphae
- Family: Theridiidae
- Genus: Steatoda
- Species: Steatoda grandis
Author
Banks, 1901
Primary Colors
Sightings Overview
There have been 8 confirmed sightings of Steatoda grandis, with the most recent sighting submitted on September 1, 2025 by Spider ID member sirius-lee. The detailed statistics below may not utilize the complete dataset of 8 sightings because of certain Steatoda grandis sightings reporting incomplete data.
- Web: 75% of the time, Steatoda grandis spiders are sighted in a spider web (Sample size: 8)
- Sex: 0 female and 0 male.
- Environment: Steatoda grandis has been sighted 2 times outdoors, and 6 times indoors.
- Outdoors: Man-made structure (2).
Location and Range
Steatoda grandis has been sighted in the following countries: United States.
Steatoda grandis has also been sighted in the following states: Colorado, Utah, Wyoming.
Seasonality
Steatoda grandis has been primarily sighted during the month of March.
- January:
- February:
- March: 4
- April: 1
- May: 1
- June:
- July:
- August: 1
- September:
- October: 1
- November:
- December:
Sep 1, 2025
Aug 31, 2025
Colo Spgs, 
