Questions tagged [arachnology]

Arachnology is the scientific study of spiders and related animals such as scorpions, pseudoscorpions, harvestmen, collectively called arachnids. It can include the study of ticks and mites which is sometimes also called acarology.

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What kind of spider is this, please?

I've found this spider in my bathroom today, never seen one like this, especially since I'm living in part of Europe ( Bosnia, Balkans ) that isn't known for being promised land for spiders. This one ...
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Can someone help me identify this Brazilian spider?

Does anyone know anything about the identification of this spider? Sorry, but it's the only image I have. It was shot at 2004, January 25th (summer), at 11:27 AM, in Cerrado biome at Minas Gerais ...
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What species is this fast-moving spider?

This is a frame from a recent recording: Location Forest in Central Europe at around 1pm. Abiotic factors at the time of recording Temperature = 23°C Humidity = 38% Wind = 6 km/h Description ...
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Can anyone identify whether or not these are bird or rodent mites?

I found these on my patio furniture directly under a bird's nest that has hatchlings. Surrounding landscape is ivy so we do have raccoons and mice in the area.
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What is the kind of this wasp killing spider from UK?

I heard a wasp buzzing rigorously and when I looked at it, it was caught in a spider web. The spider was on top of the wasp. After some time, they become silent. When I exhaled gently on them, spider ...
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Can you help me identifying this spider?

I took this picture in Ohrid, Macedonia, it is the first time I see this kind of spider here. This spider was 2-3 cm long and was outside in urban building.
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Can anyone identify this spider? Found in Italy

My cousin found this spider at his place. He lives near Milan, Italy, in a small town. It's a humid region, around there the are a lot of fields but it is a 15 km from the city. It's still hot in ...
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How much energy does a spider expend per day just waiting for its web to vibrate?

Roughly speaking, a small, complex electronic circuit or IC might sit in "sleep mode" using a current of roughly 1 µA (e.g. 1, 2), thereby using roughly $3\times 10^{-6}$ Watts, and that ...
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Identify this mite from Rajasthan (India)

Can anyone tell me the classification of this bug? I found it in Rajasthan after it rained.
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What kind of spider do you think is this?

This spider has been hanging around my front porch for the last few days. Just wondering what it is and if it's harmless.
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What kind of spider is this? First time I have ever seen one

This was taken 07/06/19 in Cape Breton, NS, Canada. I would say that it is about an inch (2.5 cm) in length and seemed to be pretty uniformly grey. The belly was the same colour as the legs, it had a ...
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Bug Identification: Tiny Bugs

I have seen these on my hands recently and I am wondering what they are. Urban Setting. South Central Pennsylvania.
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is this a brown recluse spider?

What kind of spider is this? SE Michigan, light brown color, second picture less focused but w tape measure for scale. Thank you!
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Is this spider venomous?

I found this spider in bathroom. Just wanted to know more about it. Location : India(South India,Hyderabad) Temperature : 30°C Humidity : 74%
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Can anyone identify this species of spider?

These spiders are all over everything on my padio in New Hampshire. Can anyone help me identify what they are?
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Identification of a small flat bug

So for the last few days I have been noticing these small bugs in my bathroom -- they don't appear frequently, and I see them once or twice a month. The characteristics and behavior I observed are as ...
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Black and orange spider, what is it?

Found in Alexandria MN, on sidewalk. Small, fast little spider.
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Which spider is this? Is it dangerous?

So today while clearing the trash out of my room I found this orange spider on an abandoned piece of foam. It is carrying a weird ball with it wherever it goes. What is this? And to which genus does ...
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What are the differences between insects and spiders?

I have always been told that a spider is not an insect, since the former has 8 legs and the latter 6 legs. Is it just a matter of definition and spiders could have been defined as "8-legged insects"? ...
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Spider identification Delaware

It looks like a wolf spider, but I've not seen these exact markings.
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Tiny huntsman found in Czechia?

I found this spider today and I'm curious to know what it was. Discovered today at 14:27 CEST, about 200 meters from Hamr pond, Prague, Czech Republic. It may have been carried all the way from the ...
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Identify My Spider

I live in Littleton Colorado and caught this spider because I haven't seen it before. Any idea what it is?
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Do trap door spiders have 10 legs?

I was reading this National Geographic article, 50 New Spiders Discovered In Australia when I became confused by the two trapdoor spider species photographed. I looked up trapdoor spiders and looking ...
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Identification of a spider

I have found this 8mm spider in my home, North London. I've been told it may be a false widow but wanted a second opinion. Note: The silvery parts in the picture are actually brownish in colour
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what is this bug ? i found it on bed 2 times

What is this 1mm long bug I found on my bed in Egypt? Here is its back photo
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What kind of spider is this? hoping its not poisonious

Found outdoors, after it was killed we found little tiny baby spiders on our ceilings throughout our house. really wanting to know if this spider is venomous or not as we have a baby of our own in the ...
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Can dead scorpions still sting?

I found a dead scorpion on the sidewalk today, and brought it home, being careful not to touch its stinger. Bees can sting even after they are dead, if you step on them in such a way that it pushes ...
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Do tarantulas and humans have the same mechanism for growing hair?

There's hair on my arms. Tarantulas also have hair on their arms. Is this the same type of hair?
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Do these large spiders in Taiwan belong to different species?

I see both of these spiders (and others) frequently on hiking trips outside of Taipei. Their large webs are often high overhead between trees but can be right across a hiking trail that hasn't been ...
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Tiny white very hard cell bug! Please help to identify!

I found these bugs walking on the floor/ wall and on my laptop. And unfortunately I think they could be in my bed, too, since I bring my laptop to bed sometimes. I live in a big city in the ...
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What type of spider is this that just decided to stop my plans of sleeping

This tiny little spider decided to stop my plans of sleep at 1am, since I have no plans of getting to sleep any time soon may someone tell me what type of spider could be this monsterous!
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Spider Identification (UK)

I found this spider (~10 mm body length) indoors on a wall (South-East England) and I was wondering what species it was. My first guess is false black widow, but I can't be sure. I'd be grateful if ...
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Is this a venomous (poisonous) spider?

Today I found a spider in my home that I have never seen before. I live in Karachi, Pakistan. I want to know which spider is this and if it is venomous and danger for me or my family ?? Is this ...
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What kind of spider is this? Bolivia

Can anyone help me identify this spider found in Cochabamba, Bolivia. It is quite small. This photo shows it on a normal mortar layer between brick.
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What spider species is this?

I saw this spider yesterday and it was the first time I saw one. It had a log slender body and an almost tail like end. It also can apparently jump. Just wanted to know what species this is. Location (...
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Identification of Black-Grey Striped Spider (India ,Kolkata)?

I found it on my rooftop . Location : India , Kolkata Season : Summer Morphology : Hairy Legs , with black and grey striped body . Length- 4cm -5cm with legspan Width - 2cm-3cm I couldnt get better ...
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Leaf-curling type spider southeastern US

I have a spider in my backyard in Mobile, AL. It seems to have sewn itself up inside of a living water oak leaf. I tried googling it but only came up with this Austrailian spider that does a similar ...
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10 inch spider near Mexico City

Four years ago I found a spider so big that I'll never forget. Unfortunately I don't have a picture but I guess there isn't a lot of big spiders in Mexico. So here are some things I remember: It wasn'...
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Spider found in bathroom can’t identify

Found this spider in my bathroom on the wall by the door. Near Houston, TX.
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Identify fuzzy black quarter sized spider with orange on abdomen, in Minnesota

Found this spider on my car in Minnesota near St Paul (USA). Total size including the legs (end of rear leg to end of front leg in picture) is probably about the size of a quarter.
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Identification of this spider?

I find these in forests in Oregon, western half, though they're probably on the eastern half as well. They live under pieces of wood and bark, and have a small web across the ground. Mine will eat ...
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What are these tiny, swarming, jumping bugs?

I built a small plywood box in my yard (on Long Island, NY, USA) for some stray cats about a year ago. I didn't bother waterproofing the box, and so over time the box has gotten damp. About two weeks ...
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Do skin mites reproduce on human face during night?

I've seen this circulating on social networks: I was wondering to what extent is it true. Do skin mites really get on the skin surface to reproduce? Why is it so?
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Identify this Harvestman

I spotted this guy in Switzerland. It's clearly an Opilione (Harvestman), but I really know nearly enough about this diverse group to be able to identify the species. Sorry, I didn't think to place ...
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Where do the nutrients come from for a spider's first web?

Spider webs are useful for catching prey, which provide the spider with nutrients. Yet it takes nutrients to make the web in the first place: amino acids to make the proteins of the spider silk, and ...
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Can someone identify this odd looking spider?

I found this spider crawling on my tile floor. We live in rural central Virginia. I’ve found spider species with similar looks but nothing exactly like this. Its size was less than 1 inch. Can anyone ...
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Help identifying spider found in central Indiana US

I noticed this spider outside my garage tonight, and I'm curious if anyone can help identify what type it is. A few details to help: I live in central Indiana, United States. I saw it for the first ...
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Never seen a spider with this pattern before

Found this spider at work in the Leicestershire area of the United Kingdom. Never seen one with this kind of pattern on its back before so was curious as to what it is. (Size: 2-2.5 inches)
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What spider is that?

It was scared because my cat was playing with it. I saw it tonight (22 October) in Slobozia, Romania. I never saw something like it. The back is white with no points or marks or lines.
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What is the name of this red and blue striped spider (?) - Brazil, Rio de Janeiro

Anyone knows the name of this thing? I found it in our bathroom. It is maybe 10-15 mm. It looks like a spider but the colors left me puzzled