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Home » Guide » Arthropods (Arthropoda) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynes » Sheetweb and Dwarf Spiders (Linyphiidae) » Dwarf Spiders (Erigoninae)
Photo#280677
small red spider
Copyright © 2009 squidpillow

small red spider
lancaster County, Pennsylvania, USA
Size: body roughly .5 cm long
what are the round bulbs on the end of the mouth area?
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Contributed by squidpillow on 27 May, 2009 - 11:36pm
Last updated 13 June, 2009 - 10:22am

Moved
Moved from Spiders.
… Lynette Schimming, 13 June, 2009 - 10:22am login or register to post comments

You found yourself a Male Dwa
You found yourself a Male Dwarf Spider. The round bulbs are the palps, its like a sperm holder for the male spiders. Thats one way of knowing whether you have a male or female, but dont always base it on that!
… Maranda Morton, 12 June, 2009 - 12:48am login or register to post comments

 
do they change?
do the pedipalps change in size?
… squidpillow, 12 June, 2009 - 10:53am login or register to post comments

thanks!
i checked photos of the dwarf spider and it definitely looks similar! this one especially: http://bugguide.net/node/view/153394/bgimage
… squidpillow, 28 May, 2009 - 11:58am login or register to post comments

Not sure the ID
But the "bulbs" are called Pedipalps, males have larger ones than females so I would assume this is a male.
… Cody R. Hough, 28 May, 2009 - 8:02am login or register to post comments

 
Yes male
and probably a dwarf spider of some kind. Compare with others here.
… Lynette Schimming, 28 May, 2009 - 9:10am login or register to post comments

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