Aranea: Diademata

The ( Araneus diadematus ) is one of the most recognizable spiders in Europe and North America, particularly famous for the distinct white "cross" on its back. While often called Aranea diademata in older literature, its modern accepted scientific name is Araneus diadematus . Quick Identification

These spiders are master architects that build classic "orb" (circular) webs. A Spider's Web - Springer Nature

: Look for a series of white or pale yellow spots on the abdomen that form a cross shape . These markings are actually cells filled with guanine, a byproduct of the spider's protein metabolism.

: Their color can range dramatically from pale yellow and sandy brown to deep fox-red or nearly black.

: Females are much larger, typically growing between 6.5 and 20 mm in body length, while males are slimmer and smaller at 5.5 to 13 mm. Web & Hunting Behavior