(Bolas Spiders)

Mastophora, commonly known as Bolas Spiders, is a genus of spiders in the family Araneidae. Mastophora spiders have been sighted 3 times by contributing members. Based on collected data, the geographic range for Mastophora includes 1 countries and 3 states in the United States. Mastophora is most often sighted outdoors, and during the month of April.

Taxonomic Hierarchy

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Arachnida
  • Order: Araneae
  • Suborder: Araneomorphae
  • Family: Araneidae
  • Genus: Mastophora

Common Name (AASMore information icon)

Bolas Spiders

Other Common Names

Bolas Spiders


Holmberg, 1876

Sightings Overview

There have been 3 confirmed sightings of Mastophora (Bolas Spiders), with the most recent sighting submitted on April 29, 2018 by Spider ID member krazyjranch. The detailed statistics below may not utilize the complete dataset of 3 sightings because of certain Mastophora sightings reporting incomplete data.

  • Web: 33% of the time, Mastophora spiders are sighted in a spider web (Sample size: 3)
  • Sex: 1 female and 0 male.
  • Environment: Mastophora has been sighted 3 times outdoors, and 0 times indoors.
  • Outdoors: Man-made structure (2). High foliage (1).

Location and Range

Mastophora (Bolas Spiders) has been sighted in the following countries: United States.

Mastophora has also been sighted in the following states: California, Florida, Texas.


Mastophora has been primarily sighted during the month of April.

  • January:
  • February:
  • March:
  • April: 3
  • May:
  • June:
  • July:
  • August:
  • September:
  • October:
  • November:
  • December:

Mastophora Species

Featured Pictures

Picture of Mastophora spp. (Bolas Spiders) - Female - Egg sacs Enlarge Picture
Picture of Mastophora spp. (Bolas Spiders) - Dorsal,Webs Enlarge Picture
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