Thematic Spiders

Doundounba · 06-17-2014, 06:25 PM

Alright, has anyone ever seen anything like the following (photographed on my house's external wall)?

It's a jumping spider with no pedipalps! It was behaving quite normally, but I'd expect that would be a pretty major handicap...

g026r · 06-17-2014, 11:42 PM

If you look carefully, you can see the spider's tether extending off towards the top-right corner.

sinjin · 06-18-2014, 06:14 AM - **1 Like**

Originally posted by Doundounba

Alright, has anyone ever seen anything like the following (photographed on my house's external wall)?

It's a jumping spider with no pedipalps! It was behaving quite normally, but I'd expect that would be a pretty major handicap...

Hi Dounounba,

Male spiders can loose, or even purposefully remove, their pedipalps during mating. Spider sex can be a real drag. See this blog post by Chris Buddle for more gory details.

Mark

Doundounba · 06-18-2014, 08:29 AM

Originally posted by sinjin

Male spiders can loose, or even purposefully remove, their pedipalps during mating. Spider sex can be a real drag. See this blog post by Chris Buddle for more gory details.

Wow, thanks for that link! It suggests that as the season progresses, more than 50% of males (of one particular species) might be missing pedipalps, with maybe 1/3 of those (or 17% of the male population) missing both! If this is the case, it's surprising that there aren't more pictures of spiders missing both pedipalps. (Either that or my Google-fu isn't as strong as it once was.) Also, the link allowed me to discover the work of a whole research group working on arthropods right here at McGill University! (I'm a PhD candidate at McGill, working on a subject quite unrelated to spiders or macro photography.) So double-thanks!

And just because, here's a nice Phidippus I don't think I've put up in this thread, though it was previously posted in the "Add your best K-01 photos here" thread.

Last edited by Doundounba; 06-18-2014 at 08:44 AM.

sinjin · 06-18-2014, 08:42 AM

Originally posted by Doundounba

Also, the link allowed me to discover the work of a whole research group working on arthropods right here at McGill University! (I'm a PhD candidate at McGill, working a subject quite unrelated to spiders or macro photography.) So double-thanks!

It's a small world! Chris is a great guy, you should check out his lab.

Cheers,
Mark

Doundounba · 06-27-2014, 07:13 PM - **1 Like**

This thread's been pretty quiet! Here are some more jumpers from around the house...

Paleo Pete · 06-27-2014, 07:55 PM

A recent spider shot

micromacro · 06-28-2014, 09:18 AM

This is spider I'd love to take better pictures ones with better set up. Spiny Orb Weaver Spider. They are all gone after a few very powerful showers, hopefully they come back in winter again.

I believe that it's their egg chain

Lucky-Luc · 07-01-2014, 01:36 AM

Racer X 69 · 07-01-2014, 11:03 AM - **1 Like**

Spider Porn!

Doundounba · 07-07-2014, 01:00 PM

Another jumper on the house - literally, as I always find these little fellows on the walls... Pentax-M 135mm F/3.5 plus reversed Vivitar MC 28mm F/2.8.

ToyTank · 07-13-2014, 09:52 PM - **1 Like**

Love the jumpers, well done!

Been awhile for me, saw this little guy while looking for dragonflies.

hangman43 · 07-18-2014, 05:33 AM

ToyTank · 07-25-2014, 06:37 AM

Reminds me of Crab Legs

Paleo Pete · 07-27-2014, 03:45 PM

Jumping Spider

07-01-2014, 01:36 AM	#189
Lucky-Luc Veteran Member Join Date: Feb 2011 Location: Montreal, Canada Photos: Gallery Posts: 330	Arachnid sex Last edited by Lucky-Luc; 07-14-2014 at 03:27 AM.

07-01-2014, 11:03 AM - 1 Like	#190
Racer X 69 Moderator Man With A Camera Join Date: Jun 2010 Location: The Great Pacific Northwet, in the Land Between Canada and Mexico Photos: Gallery \| Albums Posts: 28,064	Arachnid sex Spider Porn!

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06-17-2014, 06:25 PM	#181
Doundounba Pentaxian Join Date: Dec 2012 Location: Montréal QC Photos: Gallery \| Albums Posts: 2,351	Alright, has anyone ever seen anything like the following (photographed on my house's external wall)? It's a jumping spider with no pedipalps! It was behaving quite normally, but I'd expect that would be a pretty major handicap...

06-17-2014, 11:42 PM	#182
g026r Pentaxian Join Date: Sep 2013 Location: Toronto Photos: Gallery Posts: 2,074	If you look carefully, you can see the spider's tether extending off towards the top-right corner.

06-18-2014, 06:14 AM - 1 Like	#183
sinjin Senior Member Join Date: Apr 2007 Location: Ottawa Posts: 242	Originally posted by Doundounba Alright, has anyone ever seen anything like the following (photographed on my house's external wall)? It's a jumping spider with no pedipalps! It was behaving quite normally, but I'd expect that would be a pretty major handicap... Hi Dounounba, Male spiders can loose, or even purposefully remove, their pedipalps during mating. Spider sex can be a real drag. See this blog post by Chris Buddle for more gory details. Mark

06-18-2014, 08:29 AM	#184
Doundounba Pentaxian Join Date: Dec 2012 Location: Montréal QC Photos: Gallery \| Albums Posts: 2,351	Originally posted by sinjin Male spiders can loose, or even purposefully remove, their pedipalps during mating. Spider sex can be a real drag. See this blog post by Chris Buddle for more gory details. Wow, thanks for that link! It suggests that as the season progresses, more than 50% of males (of one particular species) might be missing pedipalps, with maybe 1/3 of those (or 17% of the male population) missing both! If this is the case, it's surprising that there aren't more pictures of spiders missing both pedipalps. (Either that or my Google-fu isn't as strong as it once was.) Also, the link allowed me to discover the work of a whole research group working on arthropods right here at McGill University! (I'm a PhD candidate at McGill, working on a subject quite unrelated to spiders or macro photography.) So double-thanks! And just because, here's a nice Phidippus I don't think I've put up in this thread, though it was previously posted in the "Add your best K-01 photos here" thread. Last edited by Doundounba; 06-18-2014 at 08:44 AM.

06-18-2014, 08:42 AM	#185
sinjin Senior Member Join Date: Apr 2007 Location: Ottawa Posts: 242	Originally posted by Doundounba Also, the link allowed me to discover the work of a whole research group working on arthropods right here at McGill University! (I'm a PhD candidate at McGill, working a subject quite unrelated to spiders or macro photography.) So double-thanks! It's a small world! Chris is a great guy, you should check out his lab. Cheers, Mark

06-27-2014, 07:13 PM - 1 Like	#186
Doundounba Pentaxian Join Date: Dec 2012 Location: Montréal QC Photos: Gallery \| Albums Posts: 2,351	This thread's been pretty quiet! Here are some more jumpers from around the house...

06-27-2014, 07:55 PM	#187
Paleo Pete Veteran Member Join Date: Jun 2010 Location: Texas Photos: Gallery \| Albums Posts: 2,880	A recent spider shot

06-28-2014, 09:18 AM	#188
micromacro Pentaxian Join Date: Jan 2014 Location: Florida Photos: Gallery Posts: 3,722	This is spider I'd love to take better pictures ones with better set up. Spiny Orb Weaver Spider. They are all gone after a few very powerful showers, hopefully they come back in winter again. I believe that it's their egg chain

07-07-2014, 01:00 PM	#191
Doundounba Pentaxian Join Date: Dec 2012 Location: Montréal QC Photos: Gallery \| Albums Posts: 2,351	Another jumper on the house - literally, as I always find these little fellows on the walls... Pentax-M 135mm F/3.5 plus reversed Vivitar MC 28mm F/2.8.

07-13-2014, 09:52 PM - 1 Like	#192
ToyTank Veteran Member Join Date: Mar 2013 Photos: Albums Posts: 675	Love the jumpers, well done! Been awhile for me, saw this little guy while looking for dragonflies.

07-18-2014, 05:33 AM	#193
hangman43 Veteran Member Join Date: Nov 2010 Location: Hueytown, Alabama Photos: Gallery \| Albums Posts: 1,508 Original Poster

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07-25-2014, 06:37 AM	#194
ToyTank Veteran Member Join Date: Mar 2013 Photos: Albums Posts: 675	Reminds me of Crab Legs

07-27-2014, 03:45 PM	#195
Paleo Pete Veteran Member Join Date: Jun 2010 Location: Texas Photos: Gallery \| Albums Posts: 2,880	Jumping Spider