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Species Micrathena sagittata - Arrowshaped Micrathena

Spider? - Micrathena sagittata - female Trick or Treat? - Micrathena sagittata Micrathena sagittata - Arrowshaped Micrathena - Micrathena sagittata Arrowshaped Micrathena? - Micrathena sagittata Micrathena sagittata - Arrowshaped Micrathena (Male and Female in Web) - Micrathena sagittata Micrathena sagittata - female Arrow-shaped Micrathena - Micrathena sagittata - female Arrowshaped Micrathena - 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
Micrathena sagittata (Walckenaer, 1841)
sagittata (L). "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)
e. US 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.