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  • Stealthy Ground Spider - (Cesonia bilineata)

    Stealthy Ground Spider - (Cesonia bilineata)

    Dramatic black lines on its light, white body attract human attention to the Stealthy Ground Spider while its prey never sees it coming.

    Staff Writer (7/25/2017): Stealthy Ground Spiders are web-less hunters. While they create silk-based homes for themselves, they are active hunters. Speed and quiet motion allows this species to chase down insect prey. The two thick black lines on the barrel-shaped abdomen are easy to see and they extend up toward the head. While they are natural outdoor hunters, they may wander inside homes (basements, attics) looking for active prey. Like other spiders, the Stealthy Ground Spider uses venom to help capture and kill its prey. This venom is not poisonous to humans. The species is not usually interested in human activity and will run from disturbances.

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    Details of the:
    Stealthy Ground Spider

    Category: Spider
    Common name: Stealthy Ground Spider
    Scientific Name: Cesonia bilineata

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Arachnida
         Order: Araneae
          Family: Gnaphosidae
           Genus: Cesonia
            Species: bilineata

    Size (Adult, Length): 7mm to 15mm (0.28in to 0.59in)

    Identifying Colors: white, black

    Additional Descriptors: stripe, line, mark, albino, hairy, biting, venomous

    North American Reach (Though Not Limited To*): Alabama; Arkansas; Connecticut; Delaware; Florida; Georgia; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Nebraska;New Hampshire; New Jersey; New York; North Carolina; North Dakota; Ohio; Oklahoma; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Vermont; Virginia; West Virginia; Wisconsin; British Columbia; New Brunswick; Newfoundland and Labrador; Nova Scotia; Ontario; Prince Edward Island; Quebec; Mexico

    * Keep in mind that an insect's reach is not limited by lines on a map and therefore may appear in areas/regions/states beyond those listed above.

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