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Crab Spider

Not Miss Scarlett, Hiding in the Drapery…
Location: Coryell County, Central Texas
October 27, 2010 8:55 pm
… but perhaps Mr. Marbled Orb Weaver, hiding in the roses. I’ve been looking for the mister for two years; we see the missus often, she’s quite the show-off. Are these marbled orb weavers?
Signature: Ellen

crab spider ellen 300x196 Crab Spider

Crab Spider

Dear Ellen,
You have two different species of spiders and we are posting your awesome images of a Crab Spider, but not the Orbweaver.  Crab Spiders look like and move like crabs, but they also wait on blossoms to pounce upon nectaring insects, so they are also called Flower Spiders.  We are having a problem identifying your species on BugGuide, but it does seem to resemble this unidentified individual from Florida posted on BugGuide.

crab spider ellen 2 300x220 Crab Spider

Crab Spider

What's That Bug? does not endorse extermination

Jumping Spider eats Moth

Hungry Jumper

jumper thiodina sylvana nathanael  1 300x199 Jumping Spider eats Moth

Jumping Spider: Thiodina sylvana eats moth

Hungry Jumper
Location: Mid-Missouri
October 27, 2010 3:44 pm
Hello Bugman. I came across this jumping spider (Species: Thiodina sylvana is my best guess) a few weeks back on a Friday evening after work. He was scurrying around rather frantically and as you can see, he was looking in dire need of a meal. I snapped a few pictures before he hid out. I went out shooting the next afternoon and I found what I think is the same jumper snacking on a moth. I love these little jumping spiders so I was happy to see him getting fed (at the poor Moth’s expense of course). It was really neat to be able to see her activity over the period of a couple of days.
Signature: Nathanael Siders

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Jumping Spider: Thiodina sylvana

Dear Nathanael,
You are just about the perfect contributor.  You have a catchy subject line for grabbing our attention.  Your letter has content and you have identified a difficult challenge, though we still have to verify if we agree with your identification.  You have gorgeous, perfectly sized images.  In the past, we have cropped out copyright information if we needed to crop into the photos for posting purposes, but your images do not need to be cropped.  The compositions are incredible.  Thank you for taking the time to make such a valuable contribution to our website.

jumper thiodinasylvana nathanael 21 300x199 Jumping Spider eats Moth

Jumping Spider: Thiodina sylvana

Ed. Note: We decided to verify the identity of this Jumping Spider on BugGuide, and we found Nathanael’s photos already posted.  We agree with his identification but we think it is important to also indicate the variability of Thiodina sylvana by linking to this image of a black individual on BugGuide.  We wonder how Nathanael is certain that this is not Thiodina puerpera.

Thank you so much for the nice comments.  I am glad to hear you appreciate my contributions and will keep them coming if that’s okay.  I had forgotten all about submitting those to bugguide.net.  I did consider Thiodina puerpera but there are a few significant differences that I noticed.  Mainly, the coloring on the top of the head is different between the two female species.  In Thiodina puerpera, the top of the head seems to be mainly white and black whereas the Thiodina sylvana has orange areas mixed in.  The orange present on the head of the spider in my photos, among some of the subtle patterns on the head are what led me to Thiodina sylvana.  Not being an entomologist, I rarely feel confident enough to feel 100% sure, but I did a good bit of searching to find an ID on this “lady” and the Thiodina sylvana was the only species that fit all the characteristics of my spider as far as I could tell.
I’d love to hear your thoughts on my judgment call.  Do you know if some female Thiodina puerpera that have orange on their head as well?

Thanks Nathanael,
We hope you realize that we are not entomologists.  Daniel teaches photography, and his assessment of the quality of your photographs has much more validity than any confirmation we might attempt regarding this species.  We have located a photo of
Thiodina sylvana that has orange coloration on the head, but it is a male, and it can be found on bugGuide.

I actually did think you all (or some) were entomologists.  Daniel’s compliments on my photography mean that much more to be coming from a photography teacher.  I appreciate all the interaction you have given me with my submission.  You definitely have a wonderful site and I am happy to be able to contribute some of my photos.
Nathanael

Mountain Huntsman Spider from Australia

Huntsman??
Location: north west sydney
October 26, 2010 9:12 pm
we found this spider in our ride on mower and was wondering what type of spider it was, it was about the size of an average hand.
Signature: tash

mountain huntsman australia tash 300x233 Mountain Huntsman Spider from Australia

Mountain Huntsman Spider

Dear tash,
You are correct.  This is a Huntsman Spider in the family Sparassidae.  We located a visual match on the Insects of Brisbane website that is identified as the Mountain Huntsman Spider,
Isopeda montana and it is also pictured on the LifeUnseen website.

What's That Bug? does not endorse extermination

Hobo Spider

Tegenaria something…
Location: Idaho Falls, Idaho
October 26, 2010 7:23 pm
First off, I love your site and check it religiously to see the variety of ”bugs” that people find out there.
Second, I’ve searched your site and found that you don’t have any pics of the infamous hobo spider. I’m hoping to be the first to provide one, though I understand you can’t really make a positive ID without physically examining the spider itself. I didn’t really feel qualified or equipped to do that…
I found this spider in late September hanging out and apparently eating flies in a shoebox I was using to store fishing equipment in my garage. I may be very lucky that I didn’t just stick my fingers in the box to grab something without looking around first, although the spider seemed to be more interested in getting away from me than anything else. I figure its body was about 1/2 inch long – including the legs, it was about an inch in diameter. I’m sorry, but it was moving around too quickly for me to run in and get a ruler or something else to give the photo scale.
Unfortunately, the poor spider didn’t survive our encounter. I’m perfectly happy to live and let live outside, but when it comes to any spider that has the possibility of being a hobo in any part of my house, my policy is, ”photograph and squish first, ask questions later”.
Again, thanks for keeping up your great website!
Signature: Jason

hobo spider jason 300x196 Hobo Spider

Hobo Spider

Hi Jason,
Thanks for your kind words.  This really does appear to be a Hobo Spider,
Tegenaria agrestis, and you are correct that we do not have any photos of Hobos in our archive.  You are also correct that we are often very reluctant to identify questionable species.  Though we try to convey tolerance on our website, we fully understand why you decided you did not want a Hobo Spider reproducing in your home, and we are not tagging your letter as Unnecessary Carnage.  Perhaps one of our readers will weigh in, or compare your photo to the images on BugGuide, and confirm that this is actually a Hobo Spider.

Orbweaver from Rwanda

We live in Rwanda and saw this on a walk in Kibuye. Is it a golden orb weaver? It was BIG!
Location: Kibuye, along Lake Kivu, Rwanda
October 26, 2010 4:57 am
Hello,
We saw this yellow and black orb weaver on a walk near Lake Kivu in Rwanda. It’s abdomen was about the size of a small chicken egg. The silk on the web was golden coloured. The whole spider and legs would have nicely spanned an opened hand. It was beautiful. Our kids were fascinated (as were we!) I wish we could have gotten better scale for you. The web was between two hedges, about 5 feet off the ground. The spider was eating something at the time, so we enjoyed observing for a while. Sorry about the dark and blurry photos. We’ve tried searching online, but haven’t quite found much like it! We’d appreciate your help!
Signature: The Jelsma family in Rwanda

orbweaver rwanda 300x221 Orbweaver from Rwanda

Orbweaver

Dear Jelsma family,
Based on the color of the silk and the size of the spider, we suspect this Orbweaver is one of the Golden Silk Spiders in the genus
Nephila, but its coloration and markings are unfamiliar to us.  We will attempt a proper identification, but we will post the image and letter first in the event our readership is able to provide any clues.

Thanks so much for your quick reply! What a beautiful spider!
I took some video of it, with my hand as near as I felt gutsy enough to put it! (With the kids in the background saying: “No, mom, No mom…NOOooo…” Just to show some scale. It is one of the largest spiders we’ve seen here, as well as one of the most beautiful!
Thanks Daniel!
Jocelyn Jelsma

Redback Spider from Australia

black and red spider
Location: North East USA
October 25, 2010 8:18 pm
Dear Bugman, I beg of your help. I am finding these red and black spiders (i believe) in the house. I live in CT. These bugs are so tiny maybe the size of a grain of rice. The first thing you notice is a little glossy redish black ball. I only find them on the rugs, havent seen them elsewhere. I have two new babies and I am soooooo scared. I dont have a camera to take a picture but I pray you can still help us.
I provided a picture of the closet spider i can find, this resembles the body structure but not the color or size.
Signature: BR

immature widow br 300x293 Redback Spider from Australia

Redback Spider

Dear BR,
You do have some cause for concern if your creatures are the same as the one in the photo, though we have our doubts since you did not provide your own photograph.  This is an immature Black Widow.  Black Widows are one of only a few North American spiders with a dangerously venomous bite, and young children would be more severely affected by a bite than a healthy adult would.  Again, we really doubt that the creatures you have found are Black Widows.

Ed. Note: It has been brought to our attention in a comment that the spider in the photo is most probably not a North American species, but a mature Redback Spider from Australia, which is why the location in which a creature is encountered is often critical information for proper identification.

i cannot thank you enough for you quick response, I dont believe they are either. The structure is similar but they carry a little ball like on them it allmost looks like a bead, if i look at it very close its a maroonish dark red color. We have recently discovered we have carpet beetles and i dont know if this may be related, again we find these spiders on the rug and between the rug and wall. any other advice would kindly be appreciated i will try to get a picture to you as soon as i can, you are all wonderful people for doing this for others. thank you again

2

Green Lynx guards Eggs

Green Lynx Protects Egg Sac
Location: Orlando
October 24, 2010 9:30 am
Hi Bugman. Everytime I hike Split Oak Preserve in Orlando I see quite a few green lynx spiders. You posted one of my photos of a lynx eating a bumblebee. This is the first ”mother” I’ve seen, though. My husband’s arm got too close and she assumed the defensive position over the egg sac quickly. Thought you might enjoy another pic of your favorite spider.
Signature: Elizabeth

green lynx eggs elizabeth 300x206 Green Lynx guards Eggs

Green Lynx guards Eggs

Hi Elizabeth,
Thank you for providing us with this wonderful image of maternal instincts, the Green Lynx Spider guarding her Egg Sac.

Cross Spider from UK

Gold spider
Location: Birmingham, England
October 23, 2010 7:06 am
I like in Birmingham, UK, and spotted a strange spider today – it was about 3cm across, hairy and the markings on its back were a very bright gold. I took a picture as I’ve never seen a spider like it before, and was wondering what it is and if it’s actually native to Britain.
Signature: Sarah Clark

cross spider uk sarah 300x273 Cross Spider from UK

Cross Spider

Dear Sarah,
The Cross Spider or Garden Spider,
Araneus diadematus, is a European species that is common in the UK and information regarding it may be found on the UK Safari website.  The species has the distinction of providing the first spiders, Anita and Arabella, to be shot into space aboard Skylab II.  Here is some information from the Aerospace Guide website:
“Although the STS-107 spiders were the first Australian animals in space, they weren’t the first spiders in space. Anita and Arabella, two female cross spiders (Araneus diadematus) went into orbit in 1973 for Skylab 3 space station. Like the STS-107 experiment, the Skylab experiment was a student project. Judy Miles, from Lexington, Massachusetts, wanted to know if spiders could spin webs in near-weightlessness. Here is Judith Miles:
In zero gravity, a lot of things tumble, roll, flip and tip. Can you name something that spins in zero-gravity? Hint: it has eight legs and would scare Miss Muffet.
That’s right: a spider. In this case, two of them. Anita and Arabella took off into space way back in 1973. They were on board Skylab, an early, experimental orbiting space station. Also on board were 720 fruit flies, six mice, two minnows and 50 minnow eggs! Busy place.
What was this creature-zoo up to? They were all part of student experiments. Anita and Arabella were onboard for high school student Judy Miles from Lexington, Massachusetts. Judy wondered if spiders could spin webs in weightlessness. Good question.
So, the lucky student got to team up with NASA space scientists to design an experiment that would measure how well spiders weave their webs in space.
So what did Judy and NASA learn? Zero gravity didn’t stop Anita and Arabella from doing what spiders do — spin webs.
This little bit of first spider in space
Spiders have been astronauts in space missions. In 1973, the two common cross spiders “aranous diadematus” Arabella and Anita became famous for their stay in the Skylab space station.
Both spiders were successful in spinning webs in weightlessness; examples can be seen in above images.
Unfortunately, these two spiders did not return safely: Anita died in-flight before returning, and Arabella was found dead after splash-down of the Skylab-3 (2nd manned mission) Apollo CM.
Arabella and Anita have the right stuff. These two common spiders were NASA’s first eight-legged astronauts! Anita and Arabella got their mission because a high-school student named Judy Miles wondered if spiders could spin webs in a weightless environment. She suggested sending spiders into space to find out. NASA space scientists liked her proposal and went to work designing special cages, lights, and cameras.
On August 5, 1973, Arabella and Anita blasted off into space on Skylab II. On her first day in orbit, Arabella didn’t do well. She spun sloppy webs and obviously felt the effects of weightlessness. However, by her third day in space, she was spinning just as though she were back at home. Her webs were finer in space, which was expected. But the pattern remained the same. She proved that spiders can spin nearly Earth-like webs in space.
Though Arabella and Anita have both died, their bodies remain at the Smithsonian, memorialized for their small, vital part in increasing our knowledge of space.


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