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Long-jawed spider

Fact Box
Species:
Tetragnatha species
resembling T. nitens (JS)
Family:
Tetragnathidae
Body length:
female: 19 mm
male: 13 mm
Habitat:
In a circular web or along twigs or wires with minimal webbing
Toxicity:
Uncertain but probably harmless
Tetragnatha species
Click to enlarge
Male, oblique view
Click to enlarge
Male, close-up

This species builds a circular web in shrubs, usually near water courses, but may also be found with legs extended fore and aft along twigs or strands of fencing wire, or even on flat surfaces.

The chelicerae are unusually large and often have bizarre shapes with clasping spurs that look like teeth. The palps are also long but are thin and the male genital structures at the end of the palps are quite small.

Spider(s) with a very similar appearance: Tetragnatha demissa and Tetragnatha rubriventris.


Email Ron Atkinson for more information.    Last updated 17 January 2007.