The scientific study of insects.

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Is bee cognition affected by neonicotinoids other than only just navigation?

It is conclusive that navigation by bees while locating food sources is affected by their exposure to neonicotinoids. http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0091364 But if ...
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Why do mammals produce more carbon dioxide than insects?

I understand that mammals produce more carbon dioxide than insects on a gram per gram basis, but why is that? I'm thinking it might be because mammals are warm-blooded, which require more energy ...
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What causes the opaque green colour in Lepidoptera?

Link here to what I mean by 'opaque' colouration on the insect, the colour intensity remains constant despite changes in light intensity and angle (not shown by the picture but the moth exhibits this ...
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Do ants use something similar to the honey bee “waggle dance” to instruct the rest of the colony where to find a food source?

In the 20 years since we built our home, we've just recently had our first ant infestation. I'm familiar with the fact that ants leave scent trails to find their way back and forth between the ...
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Identify this large (swamp) fly?

Can anyone identify this large fly? I encountered it in Okefenokee Swamp (Georgia, U.S.A.) on May 1, 2015. Weather: 53-78°F (avg. 66°F), avg humidity = 60, dew point = 47°F. The fly was about the ...
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Small insect identification

I live in Chapel Hill, North Carolina, and recently started seeing a bunch of these little guys in my house. They're about 1/8" long (estimate), with brown/black zigzag stripes; it's possible they're ...
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Life after decapitation? [duplicate]

I saw a video where an ant lost its head and was still walking for some time. If this is possible for an arthropod, what keeps it from working with a vertebrate? (Humans, especially)
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What is this sand colored insect?

I have found in a wooden house, in the mountains of central Spain this very curious insect: I was wondering if that was it's skin or whether it's decomposition or sand or saw-dust. That particular ...
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Identification of an insect from midwest US

I have been seeing them more and more frequently indoors. I am currently in the Midwest United States, weather has been unusually warm for December, and there are many trees nearby. Can someone ...
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What are these two fruit flies doing?

When taking some pictures I accidentally captured two fruit flies doing this: The photos are unfortunately blurry, but from what I can tell, one fly approaches the other from behind, and something ...
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How do burrowing animals get enough oxygen?

Tree borers make a small hole in a tree. At the end of it, they chew on wood to elongate the tunnel. They digest food and grow. All this takes oxygen. The entrance to the tunnel is generally small. ...
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What are two butterflies doing when they fly together, 'hitting' each other?

I've Googled this subject extensively but couldn't get an answer: My country is full of butterflies and moths, I've seen a lot of butterflies performing what looks like some kind of fight or mating ...
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Question regarding research project on indigenous ants during Eastern European winter

I am by no means biologist (I'm a programmer), but I want to make an experiment that involve the participation of ants. So please excuse my ignorance on the subject and my potentially uninformed ...
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How to best conserve a beetle inside a jar?

Few days ago a giant beetle appeared on my house. Well, it's dead now. Since it attracted some attention from my little girl, I'd like to preserve it inside some jar. What's the best way to do it? ...
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small cocooned caterpillar found on bathroom door - what is this creature?

This larvae / moth has what seems to be a smooth gray cocoon which looks like a piece of cement. It can carry this cocoon with it as it crawls, and it can come out from both ends of this cocoon. ...
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Can anyone identify these moths?

Here are two lepidopterans I collected in Oregon (USA). The wingspan of the bigger one (on the left) is ~4 cm. I spent a lot of time browsing this website hoping to find a match, but I didn't have ...
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What kind of spider is this and is it dangerous?

Found this spider on my couch the other day in Steubenville, Ohio. The spider is about 2.5cm to 4cm long.
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Could someone please identify this species?

I have come across these insects a lot more lately, as far as I can tell, they can sustain a hover state in flight. I'm actually quite interested to know what these are, seeing they look like a cross ...
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What is the name of this moth found in Virginia USA?

Found in Virginia, USA on Nov 1 2015, 10:34 AM.
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How do furniture beetle larvae drink?

I have read that the furniture beetle (Anobium punctatum) has larva that will burrow for three to four years in wood before emerging and pupating. How do they obtain water during that time if they are ...
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159 views

Why black and yellow indicates danger?

It is a pretty well-known fact that combination of black and yellow indicates danger or poisonousness. In western society it seems obvious this comes from bees and wasps, but the look to the ...
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Argentine Ant Trails

What is the maximum distance for an argentine ant (Linepithema humile) trail? I imagine that there is some point where the ants are unable to make the return trip either through exhaustion or from ...
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81 views

Identification of a moth

It is from Bangladesh. Is it hawk moth? I am not sure. Please help.
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Hemiptera sp. nymph?

Hemiptera sp. nymph? Which species is this Hemiptera nymph? Thank you!
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Hemiptera sp preimago?

Which species of Hemiptera is this preimago, seen in 2015 in Rome?
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Insect ID, Maharashtra, India

could someone please identify this insect? This photograph was taken in the Western Ghats of Maharashtra, India, near the town of Mahabaleshwar. Hemiptera was about as far as I could get using other ...
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Insect identification, Chennai, India

could someone tell me what the name of this beautiful insect is? Location: Chennai, India. Thank you!
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Identification of an insect found in South India? [closed]

What is the name of this insect? I Found this creature in the night time. I removed old image & updated my image of same insect. Place: South India Time: Morning
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Do mantises stalk cicadas?

The Chinese Idiom The mantis stalks the cicada, unaware of the oriole behind (螳螂捕蝉,黄雀在后), which the story behind the idiom comes from Shuo Yuan(说苑), refers to those who are attracted by immediate ...
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Help in identifying an insect

My cat has been messing with that insects. It looked quite unusual. Anybody here can help me identify it, so I can make sure it's not dangerous? thanks
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Why do adult insects have 6 legs?

Apparently, there is an advantage to having 6 legs in the insect world. What is that advantage, if anything? Why would such an advantage exist for insects, but not for other, larger land animals? ...
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What is this tiny thing on the branch

I noticed a tiny spot with weird shape on the shoot of a plant (Variegata), and there are many others on other branches. I wonder what is it, this is a cropped picture of it, Thank you!
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51 views

Why insects are attracted towards light? [duplicate]

Many insects like bees, dragonflies, wasps and other small insects are attracted towards light. Sometimes they are in groups, sometimes they are in solitude. When the light source source is switched ...
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70 views

Most painless method for killing insects

I'm planning on having a small farm of crickets or grasshoppers. I would like to cause them as little suffering as possible, so I'm wondering what is the most painless way to kill them? So far, the ...
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What's the name of this bug from Toronto, Canada?

It's about 3 millimetres in length. Found on September 10, 2015.
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Colorado potato beetle diet

The Colorado potato beetle is best known for being a potato pest. However, I've just learned that it originates from Northern America and the potato itself comes from South America. So the question ...
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Length of dispersal flight of European spruce bark beetle?

I'm interested in length of dispersal flight of Ips typographus. I can barely find some information about dispersal distances, height of dispersal flight, but not at all information about how many ...
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Dragonfly Identification

I have been clearing brush by a lake in northwest Missouri and seen a lot of dragonflies. It's hard to get decent pictures because my phone camera sucks and they fly away before I get close. But here ...
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What kind of beetle is this (2cm long, brown, “V-shaped” body)?

I've seen this brown beetle, which was about 2cm-3cm long (I guess) near Loch Lomond (Scottland) a few days ago. What kind of beetle is it?
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Can a brown recluse bite lead to diabetes?

Ok, I realize that this question may seem crazy at first glance. I would agree. Also, this does deal with a medical diagnosis, however, as I'm more concerned with the explanation behind it, I figured ...
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What kind of larvae are these?

My uncle was helping us spray the garage for ants, and he stumbled across a huge batch of some type of larvae. According to him... "It looked like a long, narrow clump of mud. When I broke it ...
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Can anyone ID this ant queen species?

It was found in Hong Kong! Below are a few basic information: Place: Hong Kong Habitat: Forest. I live very close to a mountain with lots of forestation. Where Collected: Found it in my window ...
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Identifying flying insect from northern Poland / Baltic Sea area

Found during this year vacations at Baltic Sea (northern parts of Poland): I don't have a picture containing other object, for size verification, but I'd say, that it was 3-4 cm long. There were ...
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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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Can a stationary eye with a moving pupil exist? [closed]

I am making a sci-fi web-comic set on an alien world and I thought up an idea for an eye that works much like an eye from a mammal, but instead of moving the whole eye, only the pupil moves. This idea ...
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what is this ant-sized black insect? [closed]

I have found these tiny ant-sized black bugs on the floor that are a little hard to kill; I have to hit them with so much force otherwise they stick to the back of my sandals alive! or i have o ...
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79 views

Why do insects (flies) put their legs together when they die (as if they're praying)?

Other animals don't seem to have an organized pose to die in. Or do they?
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282 views

What is this brown insect with a large wingspan?

I found this dead creature on my window last night and spent hours looking for something that could explain what this is. I was unable to inspect it in person though, because opening the window would ...
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How do ants protect themselves from their own acid? [closed]

How do ants get the formic acid in their sting? I mean, which cells produce it, and how are these cells protected from their own product?
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235 views

What kind of insect is this and what is it doing?

I live in Denmark, Europe and found these 2 insects on a tree. I'm interested in the big fly and have the following questions: What kind of fly is it? What is it doing with the little fly?