Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Spring 2021 gathering in Louisiana, April 28-May 2. Here's how to add your images.

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Tetragnatha elongata

long-jawed orbweaver  - Tetragnatha elongata - male egg mass/silk - Tetragnatha elongata egg mass/silk - Tetragnatha elongata hammock cocoon revisited - Tetragnatha elongata Longjawed Orbweaver - Tetragnatha elongata - male Tetragnatha sp.? - Tetragnatha elongata Tetragnatha elongata - female egg sac? - Tetragnatha elongata
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 elongata (Tetragnatha elongata)
Explanation of Names
Tetragnatha elongata Walckenaer, 1841
Numbers
4 ssp.(1)
Size
Female: Length 8.2-13.2 mm(2)
Male: Length 5.0-10.5 mm(2)
Identification
Not diagnostic, but can separate some species:(2)
Lateral eyes closer than the median eyes.


Voucher Specimens:
Female:

Male:

Male Palp - The conductor tappers evenly to its tip and ends in a small hook:(2)
Range
Across the US & southern Canada, though most data points are in the eastern half of the US. (3)
Habitat
Usually construct their webs in the shade above water.
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 Descprition)(2)
Works Cited
1.Integrated Taxonomic Information System (ITIS)
2.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.
3.The Orb-weaving Spiders of Canada and Alaska - The Insects and Arachnids of Canada Part 23
Dondale, C.D., J.H. Redner, P, Paquin and H.W. Levi. 2003. NRC Research Press.