Trebacosa is a genus of spiders in the family Lycosidae. Trebacosa spiders have been sighted 2 times by contributing members. Based on collected data, the geographic range for Trebacosa includes 1 countries and 1 states in the United States. Trebacosa is most often sighted indoors, and during the month of April.

Taxonomic Hierarchy

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Arachnida
  • Order: Araneae
  • Suborder: Araneomorphae
  • Family: Lycosidae
  • Genus: Trebacosa


Dondale & Redner, 1981

Sightings Overview

There have been 2 confirmed sightings of Trebacosa, with the most recent sighting submitted on February 11, 2020 by Spider ID member tmgorm90. The detailed statistics below may not utilize the complete dataset of 2 sightings because of certain Trebacosa sightings reporting incomplete data.

  • Web: 0% of the time, Trebacosa spiders are sighted in a spider web (Sample size: 2)
  • Sex: 0 female and 0 male.
  • Environment: Trebacosa has been sighted 0 times outdoors, and 2 times indoors.
  • Outdoors:

Location and Range

Trebacosa has been sighted in the following countries: United States.

Trebacosa has also been sighted in the following states: Florida.


Trebacosa has been primarily sighted during the month of April.

  • January:
  • February: 1
  • March:
  • April: 1
  • May:
  • June:
  • July:
  • August:
  • September:
  • October:
  • November:
  • December:

Trebacosa Species