Triangulate Orb Weaver Spider Verrucosa arenata. Arachnid. Photograph taken by the author. Copyright © 2025 Now I Wonder. All rights reserved.

Complete Guide To The Triangulate Orb Weaver Spider

ByChristine Species Guides

Triangulate Orb Weaver Spider

Triangulate Orb Weaver Spider Images

How To Identify Triangulate Orb Weaver Spiders

  • Triangulate Orb Weaver Spiders are small, sexually dimorphic spiders.
    • Females grow to 0.4 inches (1.0 cm) in total body length.
    • Males grow to 0.2 inches (0.6 cm in total body length.
  • Triangulate Orb Weaver Spiders have:
    • Red, rust, or dark brown cephalothoraxes and legs
    • Triangular abdomens that are covered in a white, yellow, or pale orange patch and have :
      • The same color as their cephalothoraxes along the edges
      • Covered in a white, yellow, or pale pink-orange patch
      • Six to eight small humps along the tip
  • The distinctive triangular abdominal patch is sharply defined on females and less so on males.
  • Males also have longer legs than females (pairs I and II only), and a long clasping spine on the tibia of leg pair II.

Triangulate Orb Weaver Spider Notes

  • Triangulate Orb Weaver Spiders are found mostly in the mountains and Piedmont areas of North Carolina.
  • Look for them in open areas within dense, moist, hardwood forests, and suburban gardens.
  • Triangulate Orb Weaver Spiders hang in their webs heads-up, instead of heads-down like most orb weaver spiders.
  • These spiders are primarily nocturnal.
    • Triangulate Orb Weaver Spiders spin their webs each evening and usually remove them at dawn (Bradley 2012). But sometimes, they will leave their webs intact through the morning, especially if the webs are undamaged.

Triangulate Orb Weaver Spider Classification

  • The Triangulate Orb Weaver Spider is also known as:
    • Arrowhead Spider
    • Arrowhead Orb Weaver
    • Triangle Orb Weaver

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Araneidae (Orbweaver spiders)

Genus

Verrucosa

Species

V. arenata

Binomial Name

Verrucosa arenata

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Christine
Christine is the creator and author of NowIWonder.com, a website dedicated to the animals and plants that share our world, and the science that helps us understand them. Inspired by lifelong exploration and learning, Christine loves to share her knowledge with others who want to connect with wild faces and wild spaces.
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