Triangular-abdominal-markings
Guides
Araneus illaudatus
Texas Orbweaver, Texas orb-weaver
Araneus illaudatus is a large orb-weaving spider endemic to the southwestern United States. Females are among the largest North American Araneus, reaching 25 mm in body length with a distinctive dirty white coloration and two triangular dark patches on the anterior abdomen. Males are substantially smaller at 9 mm. The species constructs typical orb webs and exhibits pronounced sexual dimorphism in size.