The scientific study of insects.

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Is the poison from Stink Bugs dangerous?

I just went to kill what I thought was a moth on the wall, and instead it fell on the floor and it sounded like dropping a coffee bean (because of the hard shell) I live in the UK and have never seen ...
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61 views

What could live inside a pillow? [closed]

I have a phobia of bugs (or other small creatures) living inside my pillow and crawling into my ear in the night. It might seem silly, but bare with me. Recently I got wondering, what organisms ...
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Insects or Birds covering least distance but most wing moves

I was in search in of list or detail about Insects and Birds which move their wings most but cover least distance. I know that in insects house fly moves its wings about 200/sec and covers 5mph ...
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58 views

Found a larva in my broccoli, is it a Small White (Pieris rapae)?

Found this living larva in broccoli from a store. It was about 10 mm long. It was in july this year, and I don't remember the country of origin for the broccoli. A bit of googling makes me think it ...
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What is this beetle? Found in heather in snowdonia

We were walking in the hills of snowdonia the other day and my girlfriend found this in the heather: I've never seen anything like it. Can anyone identify it? It was the biggest beetle I've ever ...
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64 views

Is there a maximum size for an insect?

I have read in biology text-books that one of the most important constraints on the size of an insect happens to be the importance of the surface-volume ratio. It simply states that if we assume ...
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59 views

What is the name of the critter depicted in the attached image?

I found a critter on my bathroom towel. It's really tiny. Maybe 2 milimetres? I placed it on an envelope for the photograph. Can someone identify what it is?
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126 views

What kind of fly is this?

I found this dude hanging out in my sink, but he didn't fly away when I put a dish in the sink. Turned out it was dead. The front part looks exactly like a housefly. But, I've never seen the back end ...
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53 views

What insect is this on the photos?

What insect is this on these photos? Found in Russia in the living room.
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80 views

What is the scientific and common name of this bug?

Captured this under my stereo microscope. Much beautiful than appearing on my camera sensor. Can someone help me identify it and explore more? Also is it having a compound eye ?
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Questions about insects eating flour and living in the cracks of a wooden cutting boards

I have a large wooden cutting board which is used in kitchen mainly for preparing egg pasta. The wood type is Populus (poplar or aspen or cottonwood). The main ingredients used with the cutting board ...
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588 views

How long can a bee surive in a jar?

So, some people and I encountered an adventure game where you have a bee in a jar and need to move it from place to place before it suffocates, and someone tried to find out how long a bee would ...
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How do insects breathe?

Do ants even breathe? If they don't, how do they stay alive? On what resources do they depend upon to stay alive? How are they different form mammals?
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164 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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117 views

Why do small organisms make faster movements than big organisms?

I hesitated to ask this question because it seems so obvious and intuitive. However, I am not able to explain this tendency. Background It seems to me that small organisms make faster movements than ...
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239 views

Why do cockroaches burst from soapy water?

(careful, disturbing!) I was experimenting with some stray cockroaches that ended up falling in my bath tub overnight (there is currently an infestation undergoing in my apartment building) and I ...
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72 views

Can an insect poison itself with food?

Is it possible that an insect poisons itself while eating "wrong" plants/fruits/... and have symptoms like pain (may hard to measure or detect) or orientation disorder? Background: I observed a ...
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706 views

Horned Mohawk looking insect. What is it?

Any ideas? I didn't know any other way to explain it. I live in Indiana, USA if that helps. Someone said it might be a "stink bug" but I'm not sure and not willing to find out!
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102 views

Which factors may affect a choice of an oviposition place in nocturnal moths?

Winter Moth (Operophtera brumata) is a small brachypterous (females have stunned wings - unable to fly) moth which places eggs on thick branches. I would like to know which abiotic and biotic factors ...
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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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502 views

Identification of an Insect (Hemiptera)

I found a a few of these guys on my composter, so they could have easily been eating bugs or decaying organics (or both): To me it looks like a stink bug with oversized legs, not like the ones I'm ...
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32 views

What is the Baculovirus and how does it help in research?

I was reading up about Biotechnology and the use of insects, and came across an interesting article about Insect Cell culture Techniques that specifically talked about the usage of the Baculovirus. If ...
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453 views

How long does a mosquito take to land on a host, bite, and fly off?

How long does a mosquito take to land on a host, start its bite, end its bite and then fly off? And what about different species? I am most interested in human hosts. References to web sites or ...
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67 views

Can mosquitos bite in self-defense?

When chasing away wasps or bees thee is a danger of them stinging us in self-defense. Can a similar danger arise when chasing away a mosquito which is otherwise not hungry? I understand that ...
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Fire Ant Behavior

I've noticed for the past few weeks that near a small fire ant nest near my house there will be a new concentrated "large" pile of dead fire ants every few days. I went and checked out the pile and ...
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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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What kind of spider is this? And is it dangerous? (photo)

I found this spider hanging from a web off the side of my house (in Buffalo, NY). It's probably 3-4in total length. Any thoughts on what kind of spider this is? And if it's dangerous?
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Why do I see so many handicapped dorbeetles?

Living in southern Germany, I often visit nearby forests and pastures. From early spring to autumn, I frequently see lots of dorbeetles on my wanderings. An estimated amount of 50% of those bugs seem ...
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Identification of this insect

These insects lived inside the wood of my bed in little round holes. They bite, lеаving very itchy red marks. And when crushed stink really bad. In the picture the lines are notebook lines for size ...
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Can ants sense food from a long distance?

I recently had ants find and then swarm to a food container that I put down on a desk, and I'm curious as to whether an ant would have needed to get lucky, discovering the food after crawling up the ...
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(How) can a pink grasshopper exist?

I saw this foto on Reddit recently: Is this possible? How can a grasshopper become like this? Is this just natural genetic mutation?
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115 views

What is this creature?

Since it has six legs, I believe it's some sort of insect, but I could be wrong. I spotted it in my Central Texas backyard (Austin area). It was very slow and not at all skittish. For size ...
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241 views

What is this beetle?

During a pit stop on the road from North Carolina to New York (somewhere in Delaware) I found the following (dead) insect in the car park: As you can see from the quarter next to it (25 mm ...
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Do bees make honey from fallen fruit?

I know bees make honey from nectar, and I know they drink the juice of fallen fruit, but do they actually make honey from fruit, or do they only eat from it for themselves?
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530 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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277 views

What is the name if this glittery fly seen in Pittsburgh?

I have photographed the following fly which is iridescent green in Pittsburgh, PA. I guess it was about 0.5-1.5cm long. Can you help me to identify it?
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Is this ladybird larva secreting a protective fluid?

I know that adult ladybird beetles can secrete a fluid to keep predators from eating them. Can the larvae do that too? Or are these yellow droplets something else?
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785 views

Can butterflies still fly after their wings are touched?

I have a question about butterflies: When I was a kid, I was told not to ever touch a butterflies wing, otherwise it would loose its ability to fly. This was connected to some dust which was supposed ...
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81 views

Cicada Killer Behavior

I've had a giant wasp hanging around outside my window the past few days, so I've resolved to learn more about it. I believe it is a male Cicada Killer, because it displays the following behavior: ...
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Why do insectivorous birds migrate?

Living in northern latitudes, I have always wondered why do migratory birds invest so much time and energy to travel twice a year the vast distances between their breeding grounds and wintering areas. ...
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How can flies sense mirrors?

I've noted that flies in my house have no problem landing on even perfectly clean mirrors. Why don't they fly straight into them? Can they sense that there is a surface there, even though they can't ...
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34 views

Where do flies go?

Where are flies attracted most? Apart from food odours, of course. Why do they seem to be attracted by hot and humid places? Do they prefer shades or light? Why do they tend to get inside very easily? ...
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246 views

Do fake wasp nests actually fool wasps?

I have seen fake wasp nests sold as a deterrent against wasps and similar insects. Do they really work? Is there some scientific evidence for it? A related link: ...
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573 views

how many abdominal sclerites would be there in a cockroach

Every tegmina of a cockroach has Sclerites which are homologous to the bones of humans. Every abdominal segment of cockroach consists of two lateral sclerite plates called pleura along with a dorsal ...
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124 views

What is this black insect (wasp-like?) South America?

I live in the Pacific coast of South America. Seems to have two wings, like a wasp's. The "tail" is a bit bulky but is only connected to the rest of the body by a thin part. It's black overall. The ...
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457 views

How do small animals make loud sounds?

Walking past the park today, I heard a cicada so loud I thought at first it must be some sort of large power tool. How is it that that very small animals like cicadas (crickets, etc.) can make such ...
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How do ants sense imminent rainfall?

I have always been told to watch to see if ant-hole mounds are built up as a sign of imminent rainfall. My questions are, if what I have always been told is true, then by what mechanism do ants ...
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1k views

Do insects' muscles become stronger with exercise?

I am curious to know if insect muscles become stronger with exercise, because I have seen many insects get tired out, but I have never seen one get stronger. They always seem to become permanently ...
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16k views

Are mosquitoes repelled by high frequency sound?

I am totally confused whether ask this question to physics or biology stackexchange. I downloaded a mobile application which claims to repel mosquitoes. This application basically produces sound from ...
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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 ...