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  • Marbled Orb Weaver - (Araneus marmoreus)

    Marbled Orb Weaver - (Araneus marmoreus)

    The ubiquitous and multicolored Marbled Orb Weaver is a spider that works hard and looks good doing it.

    Staff Writer (1/24/2017): The unique 'marbling' pattern of colors on the abdomen, as well as the orange head and black and white legs make the Marbled Orb Weaver visually stunning. Like other orb weavers, this spider creates a new circular webs daily. Marbled Orb Weavers prefer wooded areas near near water sources like creeks, stream, rivers, ponds and marshes. They build their webs on shrubs, reeds or grasses.

    Females are twice the size of males and generally stay hidden at the web's perimeter in a mess of dead leaves. One strand of silk extends all the way to her retreat. If it vibrates, she knows her web has caught something. Females lay orange eggs in a silken sac and attach it near their retreat to guard it. If the weather is warm, the spiderlings will hatch soon after. If it is cool or cold, the spiderlings will overwinter in the egg sac and hatch in the spring.

    Adults are very active during the summer and autumn months. They tend to fall to the ground if they sense they are in danger. They will try to stay hidden until the threat has passed.

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    Details of the:
    Marbled Orb Weaver

    Category: Spider
    Common name: Marbled Orb Weaver
    Scientific Name: Araneus marmoreus

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Arachnida
         Order: Araneae
          Family: Araneidae
           Genus: Araneus
            Species: marmoreus

    Size (Adult, Length): 6mm to 19mm (0.24in to 0.75in)

    Identifying Colors: orange; yellow; black; brown; white

    Additional Descriptors: speckled, biting, venomous, stripes, spots

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