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

Taxonomic Hierarchy

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Arachnida
  • Order: Araneae
  • Suborder: Mygalomorphae
  • Family: Euctenizidae
  • Genus: Aptostichus


Simon, 1891

Sightings Overview

There have been 1 confirmed sightings of Aptostichus, with the most recent sighting submitted on April 15, 2018 by Spider ID member spideygal. The detailed statistics below may not utilize the complete dataset of 1 sightings because of certain Aptostichus sightings reporting incomplete data.

  • Web: 0% of the time, Aptostichus spiders are sighted in a spider web (Sample size: 1)
  • Sex: 0 female and 0 male.
  • Environment: Aptostichus has been sighted 2 times outdoors, and 0 times indoors.
  • Outdoors: Ground layer (1). Saltwater (1).

Location and Range

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

Aptostichus has also been sighted in the following states: California.


Aptostichus has been primarily sighted during the month of April.

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

Featured Pictures

Picture of Aptostichus spp. - Dorsal Enlarge Picture
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