The spines on the side of this female spider make it unique and, therefore, easy to recognize. Males are considerably smaller than females and lack the spines.
Like other orb weavers, it creates a web that is circular in shape, only it has few or no spirals at the center of its web. Each night, a new web is spun to catch small insect prey. The spider stands up-side-down on the web near the middle of the web.
Late in the year, the female will lay eggs that will grow throughout winter, hatching spiderlings in spring. The oval-shaped egg sac is near the web, usually hidden underneath leaves. It may be white, green or yellowish, but it is woven of the spider's silk.
Common name: Spiny Backed Orb Weaver
Scientific Name: Gasteracantha elipsoides
Other Names: Crablike Spiny Orb Weaver Spider
Adult Size (Length): 2mm to 10mm (0.08in to 0.39in) [ COMPARE ]
Identifying Colors: orange; black; white; yellow; red
General Description: spikes, flat, spines, thorns, spots
North American Reach (Though Not Limited To*): Alabama, Arkansas, Arizona, California, Georgia, Kansas, Louisiana, Mississippi, Missouri, New Mexico, Nevada, North Carolina, Oklahoma, South Carolina, Texas, Virginia
* Insects are not governed by lines on a map and therefore may appear in areas/regions/states beyond those listed above.Text ©2005-2014 www.InsectIdentification.org • All Rights Reserved • No Reproduction Permitted