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Species Micrathena sagittata - Arrowshaped Micrathena

Orbweaver Spider 1 - Micrathena sagittata Micrathena sagittata Arrowshaped Micrathena - Micrathena sagittata - female Spiny Spider - Micrathena sagittata Need ID please - Micrathena sagittata Micrathena sagittata - female Strange spider - Micrathena sagittata Spinybacked Orbweaver - Micrathena sagittata
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Araneidae (Orb Weavers)
Genus Micrathena
Species sagittata (Arrowshaped Micrathena)
Synonyms and other taxonomic changes
Explanation of Names
Latin: "arrowed, in the form of an arrow"
Female 8-9mm, Male 4-5mm (1)
Female: three pairs of pointed tubercles on the abdomen, with the rear pair large and spreading to give the abdomen a triangular look. Tubercles are black-tipped and red at the base. The center of the dorsum is yellow. Male adomen does not have spines, widest at rear. (1)
Eastern U.S. west to Texas and Nebraska. (1)
Builds webs in open woods. (1)
Web often has a short stabilimentum above the hub. (1)
This spider does not pose a danger to humans (and neither do any others in this family).
Print References
Kaston, p. 133-134 & Figures 334, 335 (1)
Spiders & Their Kin, p. 67 (2)
Internet References
Enciclovida. In Spanish
Works Cited
1.How to Know the Spiders
B. J. Kaston. 1978. WCB/McGraw-Hill.
2.Spiders and Their Kin: A Golden Guide from St. Martin's Press
Herbert W. Levi, Lorna R. Levi, Nicholas Strekalovsky. 2001. St. Martin's Press.