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Spider - Tetragnatha

Spider - Tetragnatha
Chanhassen, Carver County, Minnesota, USA
April 16, 2010
Size: 9 mm long body
Found in a sweep of marsh grass near small pond. Can't find a match.

Images of this individual: tag all
Spider - Tetragnatha Spider - Tetragnatha


Na, any ideas? I see nothing in Dondale & Redner's 'Orb Weavers' that makes any mention of paired spots like this. Could it possibly be an immature stage of one of the more common Tetragnatha species?


Just out of curiosity, did you collect it?


* Chanhassen as in the ol' Chanhassen Dinner Theatre?

Yes, as in the famous Chan Dinner Theater. In one sweep yesterday, I found several. I suspect I can easily collect it. If I were to do so, where would I send it. Since I'm collecting moths for DNA, I use ammonia in the kill jar. Is that OK?

Moved from ID Request.

Might be Tetragnatha sp.
I'd start looking among the long-jawed orb weavers, Tetragnatha sp. (Tetragnathidae).

I think that's where it belongs but I find nothing with spots like this one.

Levi, 1981
Talks about new species, T. earmra - abdomen with several pairs of dark patches on sides. However, the map only shows a couple points on the southern tip of FL.

T. versicolor which is found in your range is described as a variable species with abdominal patterns varying from completely silver to contrasting paired dorsal markings.

T. shoshone is also found in your range. It is described as having a variation at Great Slave Lake - two pairs of black patches.

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