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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Could I use spiders to catch unwanted insects?

I was wondering if its possible to catch spiders and place them in my greenhouse in order to kill unwanted insect that feast on my plants? I don't really mind presence of spiders since then are not ...
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What is this spider spinning a bright green web?

Here is the picture of it I took with my phone while I was out working: Here is a close up: Location: Texas (winter).
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Identification of Unknown Insects found in landfill (spider like)

Could someone help me to identify the following spider-like insects? They are very small, so I used a macro lens to capture them. I have tried to capture them as clearly as possible. They are about ...
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Is arachnophobia connected to lower immunity against spider toxins?

Are arachnophobics more subceptible to toxical effects coming from spider toxins?
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What kind of spider is this from Sydney, Australia?

I was cleaning the pool when this guy crawled on my foot. I hit him away and noticed a bite mark. I managed to snap a photo of him. I went to the doctor because I was worried it was a funnel web and ...
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What kind of spider is this from Nova Scotia, Canada?

What kind of spider is this? It was found in Nova Scotia, Canada and is about the size of a quarter.
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What is the identity of this spider from India?

I came across this strange guy today at my classroom in Tamil Nadu, India. It is a spider which is not very much bigger than an ant but with an artistic body. He has 8 legs, but the two on the front ...
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What spider is that in south of Brazil?

I'd like to know if it is possible to identify the spider in the photo below. In fact, as shown in the next picture, it is very small. Location: South of Brazil.
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Spider with brown zig zags on abdomen and black head

Found this spider roaming around my room the other day.. can someone tell me the species? Location: Central KY, USA Also, here's a video of him moving around in a glass candle lid, where you can ...
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What kind of spider has colonised my timber framework?

I'm in the south east UK. I have a site I'm doing intermittent timber work on, that's been left idle for much of the summer. When I came back it has huge webs strung from walls to beams and across the ...
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Found this spider in my bed last night.. can someone help ID?

As I was going to bed last night, this little guy greeted me when turning the covers. Can someone help ID this for me? I'm located in Kentucky, USA. Demonstrating size, compared to a bottle cap:
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What species is this spider?

A friend of mine saw this monstrosity in Taiwan. The photo isn't very clear but you can't blame her considering it was the size of her face. Wanted to know what species it is so I know where they ...
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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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Is it necessary for spiders to both wrap the prey in silk, and inject them with venom?

I stumbled upon the following paragraph on the Wiki page about Argiope bruennichi: When a prey item is first caught in the web, Argiope bruennichi will quickly immobilise its prey by wrapping it ...
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Which spider species is this, and is it dangerous?

Sorry for a quite bad picture. I was afraid to get closer! Seen in Croatia, inlands, not near sea. As he is on the picture there with the legs stretched out, I'd say he was about 8-10 cm in length.
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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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Abnormal Spider Behavior?

A year or so ago, a spider that may have been a recluse, wolf or hobo (or anything visually similar), crawled up onto my bed. We locked eyes for a moment, and then it charged at me. I don't recall ...
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What type of spider is this? VA, USA

Spider found in Richmond, VA. Can anyone identify?
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What is happening to this spider?

I was trailing through a local bird sanctuary yesterday (central Kentucky, USA) and came across this spider.. it's definitely dead, but what is hanging from the back part of its abdomen? Has some ...
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UK - What type of spider is this?

Location: East Anglia, UK. Approximate size (including legs at full span; like in the image): about 3cm.
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What is this spider from Arizona?

I live in Phoenix, Arizona, USA. Can you please identify this spider for me. Is it dangerous?
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Help! What kind of spider is this? [closed]

Can anyone tell me what kind of spider this is and if it might be poisonous?
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What kind of spider is this?(Rajasthan, India)

Hi there, I found this insect in India/Rajasthan. Is this a spider or scorpion? It was nearly 50 mm in length.
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What spider is this in Idaho?

I have killed maybe 5 of these little bastards as I have a 3 year old and dont want her bit. Should be able to zoom in quite a bit. Just hold CTRL and hit the plus symbol. Whitish top brown legs ...
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Identifying a spider from coastal Virginia

A spider recently put up a web in my room in coastal Virginia, USA (on the left in the photo). Rounder/taller body than most species I've seen. Dark brown, not quite solid-color coloration. If laying ...
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What is this brown spider with black and white stripes? (Atlanta, Georgia)

Location: Atlanta, Georgia Spider mostly brown, with black and white stripes. Would fit on a teaspoon. Ran quickly but not very far when I tried to catch it. Click to zoom in the pictures below:
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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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Spider identification Delaware

It looks like a wolf spider, but I've not seen these exact markings.
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Picture of spider for identification

Would like to get spiders identified . Specimens can be sent for detailed examination if required . Spider seen on floor inside house - at Phoenix USA White off color spider on twigs and flowers of ...
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Identify this spider from Bangladesh

Location: Jahangirnagar university, Savar, Bangladesh EDIT: Here is the video from which image is taken
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Spider identification assistance Phoenix

Anyone know what kind of spider this is? They seem to be in the walls of my house... LocationL Phoenix, AZ, USA
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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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Help identify this mite?

I saw a decimal-sized dot walking on my hand. I wanted to know what this is, so I got it onto some paper and sandwiched below a piece of clear tape so I could keep it in place and photograph it. ...
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What kind of spider is this? Brown with white spots

It was found in Houston, Texas, but I've never seen one before. Does anyone know what it is?
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What kind of spider is this (reddish spider)?

I just saw this spider on my door and was wondering what kind of spider this is. information Country: The Netherlands (Europe) Color: quite reddish (maybe an idea why this one is reddish?) pictures
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Correctly depicting spider anatomy

First off, my specific query: When depicting a spider - be it in a picture or in textual/verbal description - should the chelicerae be always be placed so that they project outwards from the ventral ...
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Is this a dust mite?

I dropped my phone onto the carpet and picked it up and saw this tiny mite crawling around on the screen. It is too small to be a bed bug, but perhaps too big to be a dust mite (and doesn't look like ...
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Can somebody identify this species of spider?

I ran into this cool looking spider in my yard in Banjaluka, Bosnia and Herzegovina. It's about the size of a fingernail and unusually shaped (spherical). Could it be poisonous?
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What is this spider I found in Idaho?

I live in Moscow, Idaho and saw this guy early in the morning last week. It was about quarter sized if I recall. I've never seen one before and was in a hurry so I couldn't get a better picture, sorry....
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Black spider identification

Location is in Canada / Ottawa I did a web search, but I can't figure out what species it is.
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What kind of spider is this?

I spotted this spider in my garden (Northern UK). The body is about 20mm long, and it's made a sizeable (50cm) web on a wall. There's another semi-identical one on a nearby hedge. What kind is it?
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Can/Do any spiders “release” their own web in the presence of a threat?

Preface We live in the north eastern US and have a spider that has setup shop next to our front door. I've lived in this area my whole life and she's the largest spider I've seen. We're too ...
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Hundreds of Red Spiders in Individual Webs

I live in the USA in south Louisiana. I woke up this morning to find my yard covered in hundreds of spider webs. Each of those little white puffs is a spider web. Inside of each web is one little red ...
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How does a spider's legs not get caught in silk when wrapping prey?

When a spider catches a prey, it wraps it up in silk. It uses its legs to do this. So how does its own legs not get stuck on the silk? Note: I'm not talking about walking around the web. There are ...
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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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Are these spider eggs?

I was pulling weeds in my backyard in Southern California, when I saw a spider over a white area on the underside of one of the leaves. It's staying right near the white spot. Are those spider eggs? ...
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Fabric melting spider juice

I live in the southern rocky mountains of Canada. I was in bed the other night when I saw a small scurrying shadow out of the corner of my eye. The source of the shadow was a small spider (95% sure it ...
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Identification of a spider from my basement

It's a little over 1" long including legs, and I found it in my basement in Pennsylvania. My guess is a funnel weaver, which would be nice since then I can free it (right?) from the tin can it's ...
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Species Identification: Red velvety insect, India

What species is this? Description: Location: India These insects came out just after overnight rain. They were all over the place. Their body looks like velvet. Are these insects poisonous?
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How many species of mites live on the human body?

How many known species of mites regularly live on the human body? I've always heard that most people have eyebrow mites. This source mentions 2 species of face mites, Demodex folliculorum and D. ...