Araneus trifolium
(Shamrock Orb-weaver)

Featured spider picture The spider species Araneus trifolium, commonly known as Shamrock Orb-weaver, belongs to the genus Araneus, in the family Araneidae. Araneus trifolium spiders have been sighted 19 times by contributing members. Based on collected data, the geographic range for Araneus trifolium includes 2 countries and 8 states in the United States. Araneus trifolium is most often sighted outdoors, and during the month of October.

Taxonomic Hierarchy

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

Common Name (AASMore information icon)

Shamrock Orb-weaver

Other Common Names

Pumpkin Spider, Shamrock Spider

Author

Nicholas Marcellus Hentz, 1847

Primary Colors


Sightings Overview

There have been 19 confirmed sightings of Araneus trifolium (Shamrock Orb-weaver), with the most recent sighting submitted on October 16, 2018 by Spider ID member brysspider. The detailed statistics below may not utilize the complete dataset of 19 sightings because of certain Araneus trifolium sightings reporting incomplete data.

  • Web: 28% of the time, Araneus trifolium spiders are sighted in a spider web (Sample size: 18)
  • Sex: 7 female and 0 male.
  • Environment: Araneus trifolium has been sighted 24 times outdoors, and 1 times indoors.
  • Outdoors: Man-made structure (9). Low foliage (6). Ground layer (3). Freshwater river, lake, stream (1). Open field, pasture, grassland (4). Forest (1).

Location and Range

Araneus trifolium (Shamrock Orb-weaver) has been sighted in the following countries: Canada, United States.

Araneus trifolium has also been sighted in the following states: Illinois, Indiana, Maine, Michigan, Minnesota, Ohio, Pennsylvania, Wisconsin.

Seasonality

Araneus trifolium has been primarily sighted during the month of October.

  • January:
  • February:
  • March:
  • April:
  • May:
  • June:
  • July:
  • August: 4
  • September: 2
  • October: 13
  • November:
  • December:

Featured Pictures

Picture of Araneus trifolium (Shamrock Orb-weaver) - Dorsal Enlarge Picture
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Picture of Araneus trifolium (Shamrock Orb-weaver) - Dorsal Enlarge Picture
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Picture of Araneus trifolium (Shamrock Orb-weaver) - Dorsal Enlarge Picture
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Picture of Araneus trifolium (Shamrock Orb-weaver) - Dorsal Enlarge Picture
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Picture of Araneus trifolium (Shamrock Orb-weaver) - Dorsal Enlarge Picture
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Picture of Araneus trifolium (Shamrock Orb-weaver) - Dorsal Enlarge Picture
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Picture of Araneus trifolium (Shamrock Orb-weaver) - Dorsal Enlarge Picture
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Picture of Araneus trifolium (Shamrock Orb-weaver) - Dorsal Enlarge Picture
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