Spotted Orb-Weaver, Barn Spider
Neoscona crucifera (most likely)
Araneidae (Orb-Weavers), Order Araneae. Characterized by their ability to spin complex, wheel-shaped orb webs and robust bodies.
Physical Description
The specimen appears to have a rounded, bulbous abdomen typical of orb-weavers, paired with a smaller cephalothorax. The body structure is robust, adapted for holding tension on vertical orb webs, with smooth texture and visible leg proportions extending outward.
Size Estimate
Estimated body length around 10-15 mm with a leg span of roughly 25-30 mm, consistent with a sub-adult or adult female orb-weaver.
Coloration & Markings
Appears to show warm reddish-brown, orange, or yellowish tones on the legs and body, which is common in many diurnal orb-weavers such as Neoscona or Araneus species.
Web Type
Typical vertical orb web consisting of sticky spiral capture threads and non-sticky structural radii, usually constructed in foliage, porches, or doorways.
Eye Arrangement
Eight small eyes arranged in two rows of four on the anterior portion of the cephalothorax, typical of the Araneidae family.
Leg Characteristics
Legs are moderately long, robust, equipped with spines for grasping prey and navigating webs, held in a typical splayed stance.
Venom & Safety Information
Venom Information
Contains mild neurotoxic venom tailored for subduing invertebrate prey; poses no threat to humans.
Medical Significance
Harmless to humans. Bites are extremely rare, occur only in self-defense if squeezed, and generally result in minor, localized irritation comparable to a mild mosquito bite.
Safety Recommendations
No specific safety precautions needed as these spiders are harmless. If found indoors, gently relocate them outside using a cup and a piece of paper.
Habitat & Behavior
Habitat & Range
Commonly found in gardens, woodlands, and around human structures such as porches and exterior walls throughout North America and parts of Europe.
Behavior & Temperament
Docile and non-aggressive. Often hides in a retreat or sits quietly at the center of the web during the night, sometimes dismantling the web at dawn.
Diet & Prey
Generalist predator feeding on flying insects including moths, beetles, flies, mosquitoes, and wasps caught in its orb web.
Seasonal Activity
Most active and noticeable during late summer and autumn when adults reach maximum size and females construct egg sacs.
Description
This is a small, stout orb-weaver spider, captured here resting against a dark surface. Orb-weavers are among the most beneficial and fascinating spiders, famous for engineering complex geometric webs that catch nuisance flying insects.
Key Features
Bulbous rounded abdomen, robust stance, typical orb-weaver proportions, and association with a vertical wheel-shaped web.
Similar Species
Other members of the Araneidae family, specifically species within the genera Neoscona and Araneus, which require detailed microscopic examination of genitalia for definitive species-level separation.
Life Cycle
Females produce silken egg sacs in autumn containing hundreds of eggs, which overwinter before spiderlings hatch in spring to disperse via ballooning.
Ecological Importance
Serves as a natural pest control agent by consuming large quantities of flying agricultural and household insect pests.
Conservation Status
Not evaluated by the IUCN, but populations are secure, widespread, and highly adaptable.
Interesting Facts
Many orb-weaver spiders consume and recycle their own webs nightly to recoup proteins and amino acids used in silk production.
Photography Tips
Use macro lighting or natural side lighting against a clean background to highlight abdominal patterns, and maintain a safe distance to avoid disturbing the web.
Identified: 2026-08-02T06:00:13.718165