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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Long-jawed Orb Weavers (Tetragnathidae) » Longjawed Orbweavers (Tetragnatha) » Common Stretch Spider (Tetragnatha extensa)

Species Tetragnatha extensa - Common Stretch Spider

Classification · Explanation of Names · Size · Identification · Range · Print References · Internet References · Works Cited
Adult Male - Tetragnatha extensa - male Tetragnatha extensa - male Tetragnatha extensa - male - Tetragnatha extensa - female Tetragnata extensa - Tetragnatha extensa - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Tetragnathidae (Long-jawed Orb Weavers)
Genus Tetragnatha (Longjawed Orbweavers)
Species extensa (Common Stretch Spider)
Explanation of Names
Tetragnatha extensa (Linnaeus, 1758)
Size
Male: Length 6-7mm
Identification
Male palp with tiny tip sclerotised and pointing towards the paracymbium.
Left palp, ventral view:


Not diagnostic, but can separate some species:(1)
"Lateral eyes are almost as far apart as the medians."
Range
Scattered US records, mostly in the Midwest, Northeast, and central Rockies.(2)
Print References
Levi, H.W. 1981. The American orb-weaver genera Dolichognatha and Tetragnatha north of Mexico (Araneae: Araneidae, Tetragnathinae). Bulletin of the Museum of Comparative Zoology, 149(5): 271-318. (Species Description)(1)
Internet References
World Spider Catalog
GBIF(2)
iNaturalist
ITIS
BOLD Systems(3)
Works Cited
1.The American Orb-Weaver Genera Dolichognatha and Tetragnatha North of Mexico
Levi, Herbert W. 1981. Bulletin of the Museum of Comparative Zoology, 149(5):271-318.
2.Global Biodiversity Information Facility (GBIF)
3.BOLD: The Barcode of Life Data Systems
Contributed by John Sloan on 12 February, 2010 - 8:32pm
Additional contributions by Nathaniel Green
Last updated 9 February, 2021 - 2:13pm

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