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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Photo attached of flies ‘injecting’ into spider egg sacs. Why? What’s going on here?

Brisbane, Australia. While no image is available, direct observations were made of flies doing something to the egg sac.
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Help Identifying this small spider (Tennessee)

This small spider, about .75" when legs spread, has a distinct "teddy bear" image on its cephalothorax. Help with identity please.
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Difference in time tick spends on host based on feeding location

Does the time a tick remains on a host, and the 'health' of a tick vary depending on the location where it feeds on the host? Do they change locations on the host to find a better environment? I ...
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Identity of a spider found on Cyprus

I'm trying to identify a little friendly spider seen in Cyprus. She is brown, around 0.7 inches (2cm) long with white-striped legs, and a small dotted back. This seems like a pumpkin spider, but the ...
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1 answer
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What kind of spider is this from New Zealand?

This is biggest one I have caught so far: They would occasionally walk into my house and wait for the night to go out and about.
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27 votes
2 answers
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What is this spider with blue striped head?

I found this spider on the balcony of a Brisbane, Australia quarantine hotel. About 1.5cm. Anyone know what it is?
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Can you name this spider?

Found this spider in my bathroom in central London,UK. I’m convinced it’s tropical. I’m probably wrong. My kids are very curious. Many thanks!
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12 votes
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Do spiders learn how to build webs?

Concerning spiders, is there any research on whether web-building is an inherited behavior, or if it must be observed and learned? e.g. Has anyone hatched spider eggs in isolation and observed whether ...
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3 votes
1 answer
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Kansas Spider Identification, found in Pasta Package

I live in Kansas. I found a spider inside my macaroni pasta package after dinner (6pm), and I really want to figure out its species. Since I have consumed food from that package, I'm especially ...
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7 votes
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Grasshopper vs Tarantula?

This past weekend (October 2021) while hiking west of the VLA in New Mexico (near Datil, NM, ~2200m elevation) my wife and I came across a strange sight. A small (5cm long), likely immature, ...
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3 votes
2 answers
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Identification of a spider — South India

I found this spider jumping around in my garden , to describe it is blue and black . I noticed that it has strong front legs and a pointed posterior , it has blue designs on a black body . I live in ...
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2 votes
1 answer
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Middle European Spider Identification

Yesterday I've encountered the pictured spider in my home in Austria, Europe. The colors are pretty accurate in the picture, the head was striped brown/beige and black, the legs were multicolored with ...
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4 votes
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Kansas Spider Identification

I live in Kansas (Pottawatomie County), and I found a spider crawling on a wall inside my bedroom: I'm inclined to keep the spider in my house, but I just want to double check to see if it is ...
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Spider identification North-West Italy

I would like to know what kind of spider is the one I killed and if it is somehow dangerous. Location: city in North-West Italy. Dimensions: ~1.5 cm, with legs opened. Time of day: around midday, but ...
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Need help identifying spider

I have been trying to identity this spider and have found nothing similar. This is the second I have found, this being the smaller at about 2cm. I want to know what kind of spider this is and if it is ...
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What kind of spider is this? From New Zealand

Found this spider in my bin, sorry for poor quality photo, has a massive red bum, haven't seen one like it, can anyone identify it?, around the size of my finger or thumbnail. I am from New Zealand
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What type of spider is this please?

Can anyone identify this spider please. Found in Herefordshire UK
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1 answer
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Did or do these gigantic spiders really exist in Finland and/or Northern Europe?

In the year 2000, the newspapers in a small coastal town of Finland ("Hanko"; current population: ~8k) had some very disturbing reports of a couple who had just moved into a new rental ...
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Trying to identify a Spider found in rural Missouri, USA

I am trying to identify this spider found indoors in a rural area near Kansas City, Missouri. I cannot recall seeing one like it in my 14 years of living here but I have now found 3 inside in the past ...
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6 votes
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Can anyone identify this spider? (greater Poland region)

This is in Poland, in the Greater Poland area, found a few days ago by a garage in the city. I didn't have any coins on me to give a sense of scale, but the body is roughly 1.5cm long. It was dead ...
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Arthropod identification request (a spider with no legs?)

My mother sent me a picture of a creature she encountered and couldn't identify. It looks kind of a like a spider - a mostly black body, about 1cm in size, with white specks - except without any ...
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What is this spider found in Brittany?

I found it in Brittany, in my kitchen. It was about 3cm in width and 5 in length. Is it dangerous ?
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Do you know what this black spider-like insect is?

I have encountered these insects before, but I always assumed them to be spiders even though I always noticed they have 6 legs, as an exception. But slowly with time I ended up observing them more. ...
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Indian Spider Identification

Today I saw this curious colorful spider on its web near a sapota tree in my garden. I have never seen any spider like this,its around 2cm or a little less. The most curious part is this part of its ...
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1 answer
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What spider is this? Is this invasive or dangerous?

Hi the picture below has been taken here, I've never seen such a spider, is it an invasive specie or a dangerous one? thank you
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Characteristics of Araneus hui (an orb-weaving spider)

What are the characteristics of Araneus hui? Neither thematic literature nor photos was found. Mentioned in RU Wikipedia, reference wasn't found. https://ru.wikipedia.org/wiki/%D0%9A%D1%80%D0%B5%D1%81%...
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Is this a deathstalker?

I caught a scorpion in my house and wondering if it is a deathstalker? This was caught in Central Asia Northern Tajikistan.
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5 votes
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Identification of a red arachnida (?) (picture and video)

I found this in a greenhouse in Norway. It is a few millimeters in size, I could fit 5-6 of them on my thumbnail. It looks a lot like this one from Wikipedia https://en.wikipedia.org/wiki/...
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6 votes
2 answers
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Variation in deathstalker scorpion

I recently encountered a (probable) deathstalker scorpion in the Negev desert in Israel: However, when trying to identify this species I found that in many/most photos of the yellow scorpion the ...
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Identify a small spider from southern Poland / eastern Europe

Can anyone identify this spider that I have just found in my home? Details: location: Katowice, Upper Silesia, southern Poland, eastern Europe (46.42 N, 17.78 E), size: ~3-3.5 cm (from tip of one ...
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What do spider digestive fluids look like?

What is the general appearance of the fluids that spiders use to digest their prey before they ingest it into the body?
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1 answer
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What is this lightning-fast tiny spider?

Saw this spider as I was taking a shower. It moves really fast. This I noticed when it moved away (from the center of this splendid pattern) to repair its web. Location: West Bengal, India. It appears ...
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Spider Identification in Miami, FL

These two spiders were found at the Fairchild Gardens in Miami, FL. What spiders are these?
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1 vote
1 answer
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What's the name of this colorful tiny spider?

Found this colorful spider yesterday in my study. Couldn't find exact match over internet. Does anyone know what spider is this? Is it harmful?
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1 vote
2 answers
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Can anyone identify this spider for me, please?

I live in Northern Indiana and I’ve seen 3 of these spiders in my house before, all different ones. When I first saw it, it scared me since it’s a pretty big spider in my opinion from what I usually ...
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1 vote
1 answer
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What large "package" is carried by this large spider underneath itself?

One night in early May in northern Taiwan a strange looking spider carrying a large white "package" underneath itself ran in front of me and stopped, so I photographed it. The package is roughly the ...
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What species of spider is this? Could anyone help

This image was taken in assam, India. The size was around 1cm. Could anyone help identify?
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3 votes
1 answer
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What is the name of this spider I found in The Netherlands?

This spider is smaller than 1 mm and fast. The spider has tiny hairs on orange coloured legs. The backside of the spider is dark-brownish and has a small red stripe in the middle. I have taken ...
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What spider is this

Live in London I have this in my backyard. Want to know what kind is it...Also does it bite?
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Bit by unidentifiable spider [closed]

Live in South Florida and was outside cleaning and believe I got bit by this spider. It is painful and need help identifying.
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Unknown mite species in plant pots

Does anybody know what kind of mite this is? It is living in my pepper plants' pots. My region is south of Germany. (Baden-Württemberg) I will try to take another picture including some size ...
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What is this spider found in day time?

. South India Arm to arm about 3 inch in length. Day time. was hiding inside a cardboard storage box.
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3 votes
1 answer
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Identify this South African spider

A family member saw this spider in her garden in the Cape Town area of South Africa. It's very attractive and I wondered what species it was? Approx size is that it would fit roughly on a 3cm ...
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4 votes
1 answer
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Non-Salticidae with °oo° Eye Arrangements

Since childhood, I've always thought of the °oo° pattern of four frontmost eyes as iconic for spiders (note: the pattern does not account for any additional eyes or lack thereof further to the sides ...
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2 votes
1 answer
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Exactly what kind of spider is this in Louisville, KY? [duplicate]

I took this photo many years ago, but I guess the year doesn't really matter. It was here in Louisville KY, on the outside of a window, on a web it built. It was a couple hours after sunset in the ...
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1 vote
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Curious on the species of a large Orange Spider? [duplicate]

Heres the images of her: She just laid a large yellow fuzzy sack of babies recently (Were pretty sure were just going to deposit her and her eggs in a grove in the forest soon) We have lots of brown ...
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2 votes
1 answer
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Found this spider in my garden

I found this guy in my backyard. I have no clue what he is, though I'm assuming it's a jumping spider after doing a little bit of searching. For context, I live in Southern California, close to being ...
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3 votes
1 answer
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What is this 5"-across spider found in my bedroom in France?

As the subject-line says, what is s/he? I've removed more spiders than I remember over the years, but one that almost fills a pint-glass was approached with some trepidation!
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1 vote
0 answers
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Can anyone identify this spider for me? [duplicate]

There is a spider on the window of my office that I've been trying to identify for the past few days but can't quite figure it out. My coworker thinks it's a Furrow Orb Weaver but I'm not sure. My ...
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2 votes
0 answers
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Can anyone identify this spider

This is in Wroclaw, Poland. I'll be here a few months and I've noticed that they come in large groups in the evening. They are everywhere outside, but I haven't seen any inside. They seem to live in ...
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