Extension > Garden > Diagnose a problem > What insect is this? > General/curiosity insects > Insect relatives ½ – 1 inch long > Marbled orbweaver

Marbled orbweaver

Araneus marmoreus

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org

Jeff Hahn, University of Minnesota Extension

Description: 1/3 - 3/4 inch long. Has an orange or yellow cephalothorax (first part of a spider including the head) and a large, bulbous abdomen that is usually bright orange, but may occasionally be pale yellow.

Where/When: Found in grassy and wooded areas in mid-summer to fall.

Significance: Beneficial as predators on insects. Does not harm people.

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