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
: 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 aranea diademata
: 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. The ( Araneus diadematus ) is one of