European Garden Spider, Cross Spider, Crowned Orb Weaver
Araneus diadematus
Araneidae (Orb-Weavers), Order Araneae. Characterized by building flat, circular webs and having eight eyes in two rows.
Physical Description
Large, bulbous abdomen that is somewhat pointed toward the rear. The cephalothorax is smaller and covered in fine silvery hairs. This specimen shows the classic plump, rounded abdomen typical of a gravid female.
Size Estimate
Body length 10-20mm for females (4-8mm for males). Leg span can reach 40-50mm. This looks like a mature adult female.
Coloration & Markings
Variable base color from light tan to dark brown or reddish. The most distinctive feature is a series of white dots and dashes on the dorsal abdomen forming a cross shape (diadem). Legs are heavily banded with dark and light rings.
Web Type
Large, vertical orb web with many radial spokes. Built in open areas between vegetation or structures. Includes a signal line and often a retreat nearby.
Eye Arrangement
Eight eyes. Four median eyes form a central trapezoid, with two pairs of lateral eyes situated further back on the sides of the head.
Leg Characteristics
Strong, stout legs covered in noticeable spines (macrosetae). Distinctive dark and light banding is visible. Legs are held in a characteristic 'X' shape when waiting in the center of the web.
Venom & Safety Information
Venom Information
Contains proteins similar to other orb-weavers. Not dangerous to humans. Potency is low, designed for paralyzing small insects.
Medical Significance
Harmless. Bites are extremely rare and typically only happen if the spider is pinched. Symptoms are similar to a mild bee sting (local redness and swelling).
Safety Recommendations
No action is needed; they are beneficial to have around. If relocation is necessary, use a cup and paper to move the spider gently to a bush.
Habitat & Behavior
Habitat & Range
Native to Europe but widely naturalized across North America. Found in gardens, parks, forest edges, and near human structures like the wooden wall in the photo.
Behavior & Temperament
Passive and sedentary. Sits in the hub (center) of the web or in a nearby retreat. Not aggressive and will typically drop to the ground or vibrate the web if disturbed.
Diet & Prey
Generalist predator of flying insects like flies, bees, wasps, and butterflies. In the image, it is seen wrapping a prey item in silk to immobilize it before feeding.
Seasonal Activity
Most visible in late summer and autumn (August to October) when females reach their maximum size before laying eggs.
Description
A classic garden architect, the Cross Spider is one of the most recognizable orb-weavers in the Northern Hemisphere. It is often celebrated for its intricate geometric webs and its helpful role in controlling garden pests.
Key Features
White 'cross' marking on the abdomen, banded legs, spiny texture, and a large circular orb web.
Similar Species
Araneus cavaticus (Barn Spider) lacks the distinct white cross. Neoscona crucifera (Hentz Orbweaver) has a more heart-shaped marking.
Life Cycle
Females lay several hundred eggs in a yellowish silk sac in autumn then die. Spiderlings hatch in spring and often 'balloon' on silk threads to new locations. Total lifespan is about one year.
Ecological Importance
Provides vital pest control by consuming large numbers of agricultural and garden pests. Serves as a food source for birds and wasps.
Conservation Status
Not evaluated by IUCN, but considered common and stable across its range.
Interesting Facts
At the end of each day, these spiders often eat their own web to recycle the silk proteins before spinning a fresh one the following morning.
Photography Tips
Photograph from the side to capture the profile, or directly behind the abdomen to highlight the cross marking. Backlighting from the sun can make the web silk glow.
Identified: 2026-06-23T21:43:56.131414