The scientific study of insects.

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Why do ladybugs have a different number of points on their backs

Everytime I see a ladybug I ask myself this question. Why does every ladybug have a different amount of points on its back? Is it because of its age? Or because of its genes? Is it inheritable?
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38 views

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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2answers
6k views

What do ants do with our finger nails?

There is place in my house where I cut my nails. Here, there is an ant hole where an ant colony is seen. Whenever I cut my nails from here, they take my nails inside their hole. I was wondering what ...
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3answers
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If I squash an insect and it produces red “juice”, does it always mean it is a blood-sucking type?

If I squash an insect and it produces red "juice", does it always mean it is a blood-sucking type of insect? Or do some insects have red "juice" themselves, so the color is red on its own and not ...
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1answer
3k views

How tolerant are ants to cold?

There was a trail of what are commonly known as sugar ants (small, brown, hyperactive) in my kitchen. Three of them walked onto an ice tray placed in their path. They only walked a short distance on ...
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1answer
1k views

What is this droplet of liquid that comes out of a mosquito?

I have been looking at pictures of different species of mosquito and several times I came across pictures where the mosquito seems to be secreting some kind of fluid. In the pictures one can clearly ...
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2answers
118 views

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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2answers
7k views

Do ants or other insects sleep, and if so why?

I was thinking yesterday about insects (as there was a spider in the house, and I couldn't help but think of anything else, even though they aren't insects), and I started to wonder if ants sleep? ...
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2answers
125 views

Some sort of Lymantriidae caterpillar?

I found this larva in Sweden in July. It was about 15 mm long. It reminded me of Orgyia antiqua that I've seen before, but smaller and with a somewhat different colouration.
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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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1answer
2k views

Does cockroach lay eggs in human flesh when they “bite”?

Recently, i have "bite" by cockroach, not only the "bitten" area red and swallowing, and more specificly, it have a big hole in that area, when i clean it with hydrogen peroxide solution, something is ...
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1answer
49 views

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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64 views

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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1answer
50 views

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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2answers
854 views

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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23 views

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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1answer
45 views

Does anyone know what type of Cocoon this is?

I am really concerned with this since I've never seen a cocoon this color before and can't find it anywhere on the internet. I found it just laying on the ground not attached to anything, but it ...
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1answer
243 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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2answers
3k views

Do flies actually take off backwards?

I've been told that flies take off backwards, but I haven't really been able to prove it to myself. The closest I've gotten was noticing that they fly into window glass back-first, with their heads ...
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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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1answer
384 views

If I buy a banana at the market, is there any chance that an insect is hiding inside it? [closed]

I watched this horrifying video on Youtube. It shows movement beneath the skin of a banana and then a spider pushes it's way out. Suffice to say I'm too scared to eat bananas anymore! I would like ...
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0answers
106 views

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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53 views

Hemiptera sp. nymph?

Hemiptera sp. nymph? Which species is this Hemiptera nymph? Thank you!
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1answer
82 views

Identification of a moth

It is from Bangladesh. Is it hawk moth? I am not sure. Please help.
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51 views

Hemiptera sp preimago?

Which species of Hemiptera is this preimago, seen in 2015 in Rome?
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2answers
130 views
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1answer
64 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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1answer
422 views

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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1answer
90 views

Do “virgin” ant queens ever shed their wings?

In species that reproduce sexually, if an ant queen goes on a nuptial flight and does not successfully mate, will she still shed her wings and try to found a colony (although she probably won't ...
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1answer
149 views

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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1answer
914 views

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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1answer
3k views

Why is the mosquito a definitive host in malaria?

I thought that the definition of a definitive host was that the parasite had to sexually reproduce in that particular host. I've been told that mosquitoes are the definitive host for the plasmodium ...
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2answers
3k views

Are spiders part of the study of entomology?

The definition of entomology says it is the science of studying insects. I know spiders are not insects but does entomology include studying spiders as well? Otherwise is there any name to the ...
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1answer
83 views

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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2answers
67 views

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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1answer
99 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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1answer
80 views

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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561 views

How mosquitoes get their food and survive?

How mosquitoes find and get their food? For how much time they can survive without food?
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1answer
36 views

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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1answer
46 views

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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1answer
223 views

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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2answers
332 views

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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1answer
56 views

Can Biting Insects Detect Specific Places On A Host Body?

I'm gonna make a presumptive statement: It -seems- as though I get bitten by mosquitos and other biting insects in -exactly- the same places over and over. I mean within a few mm. Is that true? If ...
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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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1answer
423 views

What is this insect? Found in Peru

I took the pictures today in Cusco Peru. It is the third insect of its class in a month. I never see it before. I thought that it is a wasp, but I think it's really thin to be a wasp. It's about 4 or ...
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1answer
70 views

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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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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0answers
68 views

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 ...