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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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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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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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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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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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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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Did I just watch a spider die?

So I'm sitting in my office and all of a sudden a small spider is gliding down on a web string from the ceiling, right in front of my eyes, and down onto my desk. It proceeds to make a few awkward ...
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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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What kind of mite is this?

I found this (mite?) on my head skin close to hair. Is it a common dust mite or something else? Photographs under a simple microscope (10x objective) are below. Size is in the order of tenths of mm. ...
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Identification of Jumping Spider Species

I found this jumping spider (Salticidae family) in Pune/India. Most common species of jumpers in my region is heavy-bodied jumper (Hyllus semicupreus), but this is different species by observing body ...
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Can someone help me identify this spider?

Can someone help me identify this spider? Saw it in Malawi; aprox. 5 to 6 cm. Seems like a Solifugae but I cannot go any further... I thank you in advance!
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Does this “fleeing spiders leaving fields of webs” phenomenon have a name?

I have recently seen images of big areas covered in spider webs: After flood in Australia http://news.nationalgeographic.com/news/2012/03/pictures/120307-spiderwebs-australia-floods-wagga-wagga-...
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How much energy do small spiders expend when they are just waiting for their 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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Why is this spider wound in such a dense web?

I saw this thing yesterday on my window curtain, and I've been wondering what this is. It looks like a dense network of spider web, and the spider inside it is visible. I thought the spider was dead, ...
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What spider is this? Found in Hawaii

I found this spider at the edge of a park in Hawaii. ~1cm in length. The area I found it was very dry and had thick tall grasses just a few feet away.
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Identification of Unknown Insects found in landfill (tiny, full of hair on body)

Could someone help me to identify the following insect with full hair on body? They are very small, so I use macro lens to capture them. I have tried to capture them as clearly as possible. They were ...
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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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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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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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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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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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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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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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What kind of spider is this? (Photo included)

We found this guy on the ceiling inside today. We live by Lake Erie in Ohio so we see a lot of large spiders, but this one looks different than most we encounter. It's was about the size of a quarter (...
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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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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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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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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 ...