Micrathena sagittata
(Arrow-shaped Micrathena)

Featured spider picture The spider species Micrathena sagittata, commonly known as Arrow-shaped Micrathena, belongs to the genus Micrathena, in the family Araneidae. Micrathena sagittata spiders have been sighted 25 times by contributing members. Based on collected data, the geographic range for Micrathena sagittata includes 1 countries and 13 states in the United States. Micrathena sagittata is most often sighted outdoors, and during the month of August.

Taxonomic Hierarchy

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Arachnida
  • Order: Araneae
  • Suborder: Araneomorphae
  • Family: Araneidae
  • Genus: Micrathena
  • Species: Micrathena sagittata

Common Name (AASMore information icon)

Arrow-shaped Micrathena

Other Common Names

Arrow Spider, Arrowhead Orb-weaver

Author

Charles Athanase Walckenaer, 1841

Primary Colors


Sightings Overview

There have been 25 confirmed sightings of Micrathena sagittata (Arrow-shaped Micrathena), with the most recent sighting submitted on December 14, 2018 by Spider ID member ibmartinez. The detailed statistics below may not utilize the complete dataset of 25 sightings because of certain Micrathena sagittata sightings reporting incomplete data.

  • Web: 83% of the time, Micrathena sagittata spiders are sighted in a spider web (Sample size: 6)
  • Sex: 20 female and 1 male.
  • Environment: Micrathena sagittata has been sighted 6 times outdoors, and 0 times indoors.
  • Outdoors: Man-made structure (3). High foliage (3).

Location and Range

Micrathena sagittata (Arrow-shaped Micrathena) has been sighted in the following countries: United States.

Micrathena sagittata has also been sighted in the following states: Alabama, Florida, Georgia, Kentucky, Massachusetts, New Jersey, Ohio, Pennsylvania, South Carolina, South Dakota, Texas, Virginia, Washington, D.C..

Seasonality

Micrathena sagittata has been primarily sighted during the month of August.

  • January:
  • February:
  • March:
  • April:
  • May: 1
  • June: 2
  • July: 2
  • August: 9
  • September: 5
  • October: 3
  • November:
  • December:

Additional Remarks

  • Herbert Levi (1985) wrote that Micrathena bite their prey first and then wrap it in silk, which is the opposite of most types of orbweaving spider. However, Richard Bradley (2013) reported that Micrathena sagittata doesn’t wrap its prey at all.

Featured Pictures

Picture of Micrathena sagittata (Arrow-shaped Micrathena) - Female - Ventral,Webs Enlarge Picture
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Picture of Micrathena sagittata (Arrow-shaped Micrathena) - Ventral Enlarge Picture
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Picture of Micrathena sagittata (Arrow-shaped Micrathena) - Dorsal Enlarge Picture
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Picture of Micrathena sagittata (Arrow-shaped Micrathena) - Female - Ventral Enlarge Picture
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Picture of Micrathena sagittata (Arrow-shaped Micrathena) - Female - Dorsal Enlarge Picture
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Picture of Micrathena sagittata (Arrow-shaped Micrathena) - Dorsal,Webs Enlarge Picture
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Picture of Micrathena sagittata (Arrow-shaped Micrathena) - Dorsal,Webs Enlarge Picture
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Picture of Micrathena sagittata (Arrow-shaped Micrathena) - Male - Dorsal Enlarge Picture
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