Questions tagged [entomology]

The scientific study of Insects. If the question is about some other group of arthropod use 'arthropod' tag.

225 questions with no upvoted or accepted answers
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377 views

Help identify this creature

I found this strange insect while on Son Tra, Da Nang in central Vietnam. It was about 4cm long and although it was on the ground, was obviously capable of flying. I've never seen anything like this ...
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ID request ~2mm insect monstrosity

This tiny monstrosity (~2mm in length) was inside of some kind of "flat tent cocoon" on a pepper plant leaf in Washington state, USA. Not sure what's going on here. Is it malformed or infected?
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Insect identification (Brazil, orthoptera?)

This insect appeared in my indoor yard, in southeastern Brazil. The body is roughly 2cm in length and it makes very distinct beeping sounds, in a pattern that sounds almost like morse code, unlike the ...
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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 insect is this case from?

I found this insect case in my garden in the south of Melbourne (Australia), under some dried leaves from a tree that I'd cut down. It is 8 cm long, which is pretty big for an insect! The photo is of ...
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1answer
142 views

Having a lot of trouble identifying this insect

It was found in central Alabama
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1answer
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How dirty are bugs? And is it okay if they touch food?

Sometimes I see people throw out an entire drink or bowl of food because a small bug was in it. Are they justified in doing this? Is there enough bacteria on common species of bugs (like ants, flies, ...
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Insect ID, Ecuador

Picture was taken in the Ecuadorian Amazon in January 2019, during the day, elevation about 300 meters. The size was not recorded but might be no bigger than a housefly judging from the photo. It ...
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How much energy does a spider expend per day just waiting for its 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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Firefly mating displays

I live in the northeast US, and really enjoy firefly displays at dusk in the summer. However, when paying attention this summer, I noticed that the fireflies were not displaying every night, but ...
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259 views

Would a stray ant re-home into a foreign colony (of the same kind) and will the colony accept an alien ant?

Let's say an ant got into my pocket as I was sitting in the park today. At home, I shook off my coat and the ant fell out and scurried out to my garden, which has ant colonies of the same kind. ...
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537 views

Is it possible to estimate the age of a wasp nest by its size?

Long story, but briefly I am debating knocking down a paper wasp nest. I don't want to kill the wasps, because (1) they're beneficial wasps, and (2) I would not have even known they were there, except ...
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203 views

What is this insect found in Western Arkansas?

I had my cup of water outside with me, went inside for a few minutes, came back outside and this insect almost found out what was unpleasant about being drunk. It's 1-2cm long, mostly black, with ...
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What are the blue and white things on this Sunburst lichen?

I am a amateur photographer I found some interesting things when I got home and looked at my photos. There are some blue/white cocoon. I like structures on top of the sunburst lichen. I live in ...
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1answer
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What is the conical mouthpart of a soldier termite and what does it do?

I'm trying to get a visual understanding of termite anatomy and I'm getting quite confused on the protruding mouthpart area (it looks like a beak) located between the pincers. What does it do / what ...
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Why do some ant workers still wander at night?

As far as I have seen, the vast majority of workers in colonies of diurnal, non-nomadic species return to their nests and remain there at night. The colonies seem to forage largely during the day. ...
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53 views

Help me identify this Bug species

I found this insect in Pune/India. Its body size was less than 1 cm. It was near light source. I suspected it to be Juvenile Thread-legged Bug, but i am not sure. Is my suspicion right or is it some ...
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Europe: big fly with black/yellow striped body: I'm guessing a horse fly?

This one made a summer night visit to the room and tried to escape by banging against the ceiling. What is it? I found nothing which corresponds, though "horse fly" might be a close match. Location: ...
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Mayfly identification - Oregon

Found in a web by a very small, slow moving stream. Douglas-fir forest in Gales Creek area, April 28.
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What is this colourful insect?

Found this colourful insect in our garden. It measures about 1.5cm. I am from Kuching, Sarawak, Malaysiai
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What bug is this? (England)

I have found this small bug on the wall in my bedroom, and have been trying to figure it out what it is for months. There are more of this kind. They are tiny, I can't see how they look like with ...
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53 views

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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Help me identify this fly species?

I found this fly in Bengaluru/India. It was larger than usual flies. It was more than 1cm in size, with black color which has blue shades in it. I managed to take just this one pic, then it flew away.
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What species is this beetle (trichius family)

I took this picture in Jura region (Northern Switzerland, alt: ~700m) of that beetle (July 2018). It was taking food from a flower of a Morus nigra. It seems to be ...
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What do groundhogs and other subsurface-tunnel dwelling creatures do in heavy rains to avoid harm?

I notice groundhogs and many other tunneling creatures in my yard, the same yard which became pretty flooded during heavy rainfall. I don't see wildlife out during rain storms, but not long after, ...
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Land Shrimp Sighting (Western Europe): What is it?

This approx. 6cm long insect was moving rapidly across the asphalt in a wavy/jumpy motion. It makes me think of a shrimp. It has a kind of widened head like a hammerhead shark. I got two shots with ...
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What species is this mosquito-like insect?

I found this in my room in Serbia. It's not a local type of mosquito that I'm familiar with, so I'm very interested. It flies like a fly but it looks like some kind of mosquito. I am looking forward ...
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What are this designs which I found on curry leaves?

Curry leaves is the plant name where I found designs, but what are the designs present on the leaf? Location: Argentina
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108 views

Identification of a bug in Vasai, India

Can someone please let me know what insect this is? This may be something very common, but this is the first time I have seen them and that too suddenly in a large number. They were mostly on ...
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Is this a young Ash Bud Moth (Prays fraxinella) caterpillar?

I am building up a my knowledge of organisms that live on trees (not necessarily as pests, but in the respect of the biodiversity that depend on different tree species) and their interactions. Living ...
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How to anaesthetise mosquitoes during a mass-trapping field study?

Do any of you have experience in anaesthetising mosquitoes during a mass-trapping field study? Normally, mosquito traps have a little net in which you catch the mosquitoes. The nets can, after ...
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How to calculate the number of sterile insects that must be released in SIT?

The sterile insect technique (SIT) is used to control insect pests through overwhelming the population in sterile males. The increase in sterile males released into an environment causes the increase ...
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Will a store bought cabbage kill my Pieris brassicaes?

About 4 days ago I found a large amount of caterpillars (Pieris brassicae) in my radishes, I took them aside for seeing how they grow and I am out of radishes to give them. I bought a cabbage in the ...
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1answer
54 views

Help to identify larva found in sink?

I need some help in identifying this critter. It was found in southeast Georgia in a home I am renovating. There were several around the sink and toilet bowl. Approximately 5 millimeters long. ...
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What is this small black insect with an orange stripe?

Sorry for the poor quality of the second image, but a slightly different perspective may be useful. This was taken in South Africa, Western Cape during the day. They're fairly small, maybe around 5mm ...
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Can someone help me identify this larva?

I found this creature in my toilet bowl and very curious as to what it is. The main reason is I want to make sure this wasn't a parasite living in me. Everything I've researched tells me this is some ...
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How do apiarists cultivate homeycomb without nicotine or a smoker?

I don't see a better stack site for this so I'll just post it here. I remember an apiarist I met saying they cultivated honeycomb without a smoker or anything like that, but I never asked them how. ...
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What is the name of this moth and why does it have an extra wing?

Moth of length 15mm. Seen in Kerala, India on March 2019. Third Unusual wing part visible. Without mobile flash the colour of moth visible is completely black.
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Which moth is this?

City name - Mohali (Chandigarh) Season - winter(after rain of western disturbance) Location - IISER Mohali hostel near tube light of mess Time - 21:49, 22 February 2019 Size - 1.5cm 2:
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Any Ideas what this insect might be?

A year ago my family and I were in Tanzania on vacation. Upon returning to our home in Alaska my wife found a small stowaway in her luggage. Feeling sorry for the poor creature we put it in a ...
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Identify mystery insect found in Boston, USA

This insect is approximately 2.5mm. It was recently observed in a Boston USA shower. Do you know what type of insect this is?
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Can Anyone Identify this Tissue?

I am hoping someone can identify the image below My wife felt a bug bite her and found this in her hair now she's worried that it was a tick. the photo is at 40X under microscope. I'm guessing it's ...
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Is this a leafhopper? (Italy)

I'm located in Bologna, Italy, in the city center. I found this insect on by bean plants, I think it's feeding on their leaves. What is it? The answer to this question suggests that it is a ...
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Wasp using plant fibers in old carpenter bee hole (Indiana USA)

Location: Indiana, USA Every spring, carpenter bees make a few holes in our exposed porch wood. This year, we observed a woodpecker removing three 1+ cm white grubs from one of the holes after a ...
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Insect Identification Request - Is this a Satin Moth or something else?

Date: July 2, 2018 Time: 11:00 AM Location: Minneapolis MN Size: Approx. 1" from head to tail I saw this moth at work today. I wasn't sure if ...
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63 views

Golden Brown Flying beetle identification

Bug (probably a beetle) flew into my house tonight with golden body and black stripes. I live in pacific asia. .
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224 views

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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Difference between feral and domesticated honey?

Is there any significant differences in composition (and/or taste) between the honey of wild ("feral") honeybees versus that of domesticated ones used in beekeeping?
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Do ants actually stick better after “licking” their legs?

I found an uncommonly large black ant and put it in a glass cup to observe it. It initially had a lot of trouble climbing vertically by any amount. However, I noticed it paused and when I looked ...
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What would bees be doing inside my furniture in the beginning of summer

I have an old chest of drawers in my garden shed. I've been noticing individual bees entering a closed drawer through the keyhole. Recently they've sealed that keyhole with a gray goo that's ...