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Black House Spiders

Here are some photos of the Black House Spider. All photos are copyright to their owners and may not be reproduced without permission. Please choose a section.
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Zoropsis spinimana    

BLACK HOUSE SPIDERS

Black and Grey House Spiders are widely distributed in southern and eastern Australia and are also found in the United States. Their webs form untidy, lacy silk sheets with funnel-like entrances. Black House Spiders are found on tree trunks, logs, rock walls and buildings (in window frames, wall crevices, etc). Badumna longinquus may be found in similar locations and often builds webs on foliage. The Black House Spider (Badumna insignis) is a dark robust spider, with the female (up to 18mm) being larger than the male (about 9mm). The carapace and legs are dark brown to black, and the abdomen is charcoal grey with a dorsal pattern of white markings (sometimes indistinct). B. longinquus (Grey House Spider) is a slightly smaller (14mm) species with a greyish carapace and grey-brown banded legs. The webs of Black House Spiders have a 'funnel-like' shape, which is sometimes misunderstood as a Funnel-web Spider web. However, the two spiders are not at all similar in appearance, size or life history. See the Funnel-web Spider factsheet to compare the two spiders. The retreat of a true Funnel-web Spider is often less funnel-like and is usually a burrow in the ground. Some funnel webs have burrows in tree-trunk crevices but their web entrances are disguised with detritus (eg, bark) particles embedded in the silk, whereas the silk of Badumna webs is clean.  Black House Spiders are timid animals and bites from them are infrequent. The bite may be quite painful and cause local swelling. Symptoms such as nausea, vomiting, sweating and giddiness are occasionally recorded. In a few cases skin lesions (Necrotising Arachnidism) have developed after multiple bites. A cold pack may relieve local pain. Seek medical attention if symptoms persist.
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Reply:  Looks like a black house spider - glen

28 May, 2014:
Hello Guys, I sent this message to your facebook group as well but just in case here it is. I found this spider at Watsonia Railway Station Victoria Australia. I have a hunch that its a black house spider but It does look a little different so I thought I'd ask. Regards, Marcus

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Reply:  Could be black house spider - glen

30 May, 2012:
Hi Glen, Thanks for the quick reply on my last spider email. I found this guy hiding in a corner in my basement. I think it's a common black house spider, but it's pretty large. I can't seem to tell if it is or not. I've tried to identify it on your website and online. I live in North Central PA. Thanks for any and all help! =) -Kristi

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Reply:  Could be black house spider - glen

15 April, 2012:
Hi wonder if you could help me id this spider found in my bathroom in Syd' coast, just given birth to a handfull (60) littlens hahahha, any help would be great thanks! Kindest Regards Anthony

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Reply:  Not sure but could be black house spider - glen

2 November, 2010:
Hi! I found this guy in my room recently and was wondering what kind of spider he is. I live about 30 miles south of Seoul, South Korea. I'm used to seeing the bright yellow and green banana spiders everywhere I go, but I can't recall seeing a completely black, fuzzy guy. It's hard to tell how big he is due to the angle of the picture, but I'd say his body was about 5/8" or so long. Thanks!

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Reply:  I think it is a black house spider - glen

2 August, 2010:
Hi there I was looking at your website and you have a lot of information on there. Would you be able to identify these spiders? I just want to make sure they're not poisonous since I have a lot of animals. Thanks so much for your time. Sincerely, Robin

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10 June, 2010:
Glen, We live in South Eastern WI and recently moved in to a new house and this spider lives in a crack by a basement window. Please could you help me identify it? From pictures I think it's a Black House Spider or Southern House Spider? My husband wants to kill it but I think it's bad luck, plus she keeps to herself. (And I hate the bugs she eats.) Thanks for any help you can offer, Morgyn

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23 August, 2009:
Hi Glen, Thank you for the reply - sorry Ive been offline for a few months. Sadly I didnt get see the same spiders again and whilst I went away for a few days it seems someone else killed them. We have a some other spiders around the house though, inside and out. Ive taken photos of this crazy web we have in the kitchen - and as best a shot of a spider as I can get. This spider has lived in the kitchen area for a few years now. This area of the kitchen was not really used at all so it hasnt been disturbed much and it looks like its caught quite a bit of dust. The spider is probably between the size of a 10 and 20 cent piece including the leg span I mean - its hard to get a good look at it through the thickness of the web! The web also extends even more behind the kitchen blind. One day we woke up and found there is a little square of paper in its web, like its its own mini post it note lol.  Hope your day is good!!! (-: ~ Jowanna.

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18 May, 2008:
Hi there, I came across your web page (very nice!) in my search to hopefully find someone to identify a hideous spider I found in my house! I live in upstate New York and found my puppy chasing this large, the largest spider I've ever seen in person. It was about an inch in length and very dark appearing black and surprisingly fast moving! I'm hoping it's not poisonous. Needless to say I am not a spider person, but now a very scared home owner wondering if this guest has left some babies around!!! Hoping you can help identify this! Jennifer from upstate, NY I apologize that my pictures are not that clear, I was shaking and a bit nervous to get too close to it! I zoomed and in lost some quality in the pictures while doing so.

Reply: Although the photos are not very clear, I think it is a black house spider - glen

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Reply:  I think it is a black house spider - glen

15 May, 2008:
Hi Glen, Could you tell me what this spider is? It lives in my bathroom window. I live in Northern California, Sonoma County. Thank you!
Nancy

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20 April, 2008:
hey there! I stumbled upon this site while trying to identify a breed of spider that seems to have infested the rafters surrounding the outside of my house. I took a few photos (bad ones) in an attempt to find out what they are and the best way to get rid of them! the photos show two together in a web, a dead one, upside down on the pavements, a single one in a web, and also two photos of what the webs look like. The funnel looking one has a spider inside still. While the web resembles a funnel, i'm doubting they are funnel webs (and hoping they're not!), my next guess was the mouse spider...but to me the fangs dont seem large enough for a mouse spider, and from what i know they're burrow dwellers, where as these ones are all in webs up high in the rafters. But i'm not a spider expert, so perhaps you can identify them? please!? If its possible it would be much appreciated! thankyou for your time
Mally

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28 December, 2005:
Hi Glen,  I was wondering if you could assist me with the identification of the spider in the attached photo. I took this image earlier today at the entrance to my garage (I live in Turramurra, Sydney). I killed this spider along with about six of its friends (all living in and around my garage door, and I normally would not kill them except we have a two year old and my wife insisted). I suspect this is a female Sydney funnel web spider (based on comparison with other photos and charts) and also because of the apparent egg sack it is clinging to. Not in the photo is a loose funnel like web (rather thin) that I cleared out of the way to make for a better image. I am fairly certain of the identification and I would not otherwise trouble you except I am not exactly sure what it is because of the markings on its back, and if it is a funnel web we need to take better precautions with our daughter (as there is sure to be more). Thanks in advance for any help in identification you can give.
Cheers,
Dan Baldry

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31 Oct, 2005:
Hello, I've attached photos of her babies too - you can see they actually have some fine detail on their backs, which is just amazing. These babies are in a tub awaiting their release outside... when they leave the web (10-20 per week) we catch them and set them free. It's also pretty amazing what happens when the bathroom gets steamy from the shower: The mother will run around her lacy web (collecting the fine  condensation) and then sit and methodically drink the moisture from her hairy legs. The babies do the same (we can't see them that well, but they  spread out on the web after a shower, almost definitely collecting moisture - it's quite a display). Bye for now, Carine.

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5 Oct, 2005:
Hi Glen, Here's another update on the spider we have living in our bathroom: I am happy to finally present you with some decent pics of her! She's rather fat right now (probably getting ready to make another egg sac). This may have contributed to her falling out of her web, which must have been horribly traumatic for her. Fortunately, she was able to climb back up to her home in the door frame, and I finally got some good photos!  Now that you can see her properly, do you think she is a black house spider? Thanks again, Carine. South Australia

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3 Sept, 2005:
Here are some better photos of the black house spider. Alec

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31 August, 2005:
Thanks a lot Glen. Here are a few more images I took today when I fed the spider :)
Enjoy, Dragan

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Reply: That resembles the black window
spider ( not widow spider, wiNdow spider ), Badumna insignis, which is medically significant. See the "Common spiders Aus" section, via the link at the top
left of this page. Nathan Hepworth

22 August, 2005:
Hello, Here are some more pictures of my spider. If you recall, I e-mailed you a
while ago about her and her babies. I live in Adelaide, South Australia, and the spider lives behind the door frame in our bathroom.
The photos are of her catching a cockroach we put in the web for her. The black dots you see are her babies. The last photo is of one of the babies. cheers, carine.

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