Spotted Orb-Weaver, Hentz Orb-Weaver
Neoscona crucifera
Araneidae (Orb-Weavers), Order Araneae. Key family characteristics include the construction of vertical wheel-shaped orb webs, eight similar-sized eyes arranged in two rows, and stout, hairy bodies often with abdominal tubercles or shoulders.
Physical Description
Robust body with a clearly defined, rounded or slightly triangular abdomen and a smaller cephalothorax. Females are significantly larger and bulkier than males. The abdomen often features small bumps or humps near the front shoulders, and the body is covered in fine, short setae giving it a slightly matte appearance.
Size Estimate
Body length ranges from 9 to 19 mm for females and 8 to 15 mm for males, with a leg span reaching up to 3 to 4 cm. This appears to be an adult or sub-adult female.
Coloration & Markings
Variable coloration ranging from light tan, orange-brown, reddish-brown to dark gray. The dorsal abdomen typically displays a distinct leaf-like pattern (folium) or a series of spots, often bordered in darker brown or white, sometimes with a faint cross-like or angular marking near the anterior.
Web Type
Vertical orb web constructed among foliage, shrubs, or artificial structures. The web features a dense spiral of sticky silk and a central hub where the spider often rests head-down, usually rebuilt or repaired nightly.
Eye Arrangement
Eight eyes arranged in two horizontal rows on the anterior portion of the cephalothorax. The lateral eyes are often closely paired, and the median eyes are situated on a slight raised tubercle.
Leg Characteristics
Long and moderately stout legs featuring distinct dark and light banding. Spines are clearly visible along the segments. Legs are typically held spread out radially when resting in the web.
Venom & Safety Information
Venom Information
Contains mild neurotoxic venom tailored for subduing invertebrate prey. It poses no threat to humans and lacks the potency to cause systemic effects.
Medical Significance
Harmless to humans. A bite is extremely rare, usually only occurring if the spider is squeezed or trapped against the skin, resulting in minor localized pain and redness comparable to a mild mosquito bite.
Safety Recommendations
No special precautions needed. If found near a doorway, the spider can be gently guided into a container and relocated to a nearby garden bush.
Habitat & Behavior
Habitat & Range
Found widely across North America, particularly in the eastern and central regions, extending into parts of South America. Prefers gardens, woodland edges, shrubs, porches, and around exterior lighting where flying insects congregate.
Behavior & Temperament
Nocturnal hunter that constructs its web in the evening and typically consumes or dismantles it before dawn, hiding in nearby foliage during daylight hours. Docile and non-aggressive, retreating or dropping to the ground if disturbed.
Diet & Prey
Generalist predator feeding primarily on night-flying insects such as moths, beetles, mosquitoes, and small flies trapped in its sticky orb web.
Seasonal Activity
Most active and commonly noticed during late summer and autumn when females reach maximum size and spin webs prominently near outdoor lights.
Description
The Spotted Orb-Weaver is a quintessential nocturnal architect of the garden. Emerging after dusk, this robust spider weaves a magnificent wheel of silk among the leaves to intercept unsuspecting night-flying insects. With its warm brownish tones and intricate dorsal patterns, it is a master of blending into its environment while serving as a beneficial nighttime predator.
Key Features
Rounded, hairy abdomen with shoulder humps; distinct folium or spotted dorsal pattern; vertical orb web constructed at night; nocturnal habit of resting in the web center or nearby retreat.
Similar Species
Neoscona domiciliorum (Barn Spider) which tends to have grayer tones and more contrasting leg bands, and Araneus diadematus (European Garden Spider) which features a distinct white cross pattern on the abdomen.
Life Cycle
Females produce one or more papery silk egg sacs in protected crevices or foliage in the autumn, containing hundreds of eggs. Spiderlings hatch in spring, disperse via ballooning, and mature by late summer or autumn.
Ecological Importance
Acts as a natural pest control agent by significantly reducing populations of flying nocturnal insects, including potential agricultural and household pests.
Conservation Status
Not evaluated by the IUCN, but populations are secure, widespread, and highly adaptable to human-modified environments.
Interesting Facts
Spotted Orb-Weavers are famous for consuming their own webs nearly every morning to recycle the protein-rich silk proteins before retiring for the day.
Photography Tips
Use a macro lens with a flash or external flashlight to capture details in low-light night conditions. Shoot from the side or slightly above to highlight the abdominal pattern and web geometry while maintaining a safe, non-disturbing distance.
User Notes
In a bush at night
Identified: 2026-09-08T00:40:26.091873