Questions tagged [entomology]

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

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Is this a roach or a beetle?

I'm pretty sure it's a beetle due to the lines on it's back/rear but I'm not positive and if I'm wrong I need to take action quickly. Thanks in advance :)
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Larva of Halyomorpha halys?

I just found these small insects on a Saponaria. After search, it could be Halyomorpha halys, but I am really not sure. Can anyone confirm? If so, should I kill them as they are considered as ...
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What species of wasp is this? And how to get rid of them?

Yesterday while moving a chair in my garden I got stung by a group of wasps. During the night I went hunting for their nests and managed to neutralize 3 of them: one was in the chair's legs, about the ...
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Can anyone identify this bug I keep finding on my window sill? [duplicate]

These bugs are very small, but can vary from brown as seen in the picture to almost a white-ish/translucent appearance. I reckon they are 1mm in size.
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what will be the effect of cockroach bite?

I know the cockroaches are creepy for humans. But I want to know why humans are afraid of cockroaches and what will be the effect of there bite on my body. Can I touch them or if they walk over my ...
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What kind of spider is this? First time I have ever seen one

This was taken 07/06/19 in Cape Breton, NS, Canada. I would say that it is about an inch (2.5 cm) in length and seemed to be pretty uniformly grey. The belly was the same colour as the legs, it had a ...
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41 views

Why does bed bugs not carry disease?

Whenever I look up this topic, all I get is articles that say "Bed bugs don't carry disease...", but they never explain why? Is it something in their saliva that kills microbes? Something in their ...
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1answer
59 views

Insect identification, UK, 07-19

Can anyone identify this insect found in the North East of the United Kingdom, July 2019. About 3-4cm long. Could this be a wood wasp? Thanks.
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Bug Identification: Tiny Bugs in Fairport NY

We have been finding a ton of these tiny bugs (pin head size or smaller) outside on our patios, outdoor tables, on the grill, etc. What are they and how do we get rid of them?
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What kind of weird little insect is this?

What kind of insect is this? I found it in my work room. I live in the city of São José dos Campos, São Paulo, Brazil
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Bug larvae identification

anybody know what this might be, found in my bed. Pennsylvania, USA . Thanks
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Identify round, green, flying insect with spikes in South Carolina (USA)

The tables have turned -- I need some help IDing an insect: I've been unable to identify an insect that I came across about 6 years ago in South Carolina (USA). We were doing a vegetation survey in ...
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What bug is this

Found in Mojave county Az. It was in my home. I have a cat. Real small about 1/8 inch
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Want to know about a creature which bite me

I am Sachin from MP India. Few minutes back I have gotten bite by a creature. What is its name? Is it harmful if I got bitten by it? Feeling little pain there.
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Bed Bug? Book Louse? [duplicate]

I know there are several posts like this, but I have attached pictures that are specific to my situation. I found a few of these in some of the crevasses of my bed in a dorm room in Ireland. They ...
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Is this a Zelus luridus?

I found this little bug on my bed and I got curious to know what it was, I did some researches and then I noticed that it is very similar to Zelus Nymph but I can't be sure of it. Can you confirm it? ...
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What animal is this? A bee? red mason bee? (Bee-like with brown/orange fur)

The picture was taken at the Bodensee (Lake Constance) in Southwestern Germany in June 2019. I tried to Google "Bee with brown fur", but the only thing that came up was a red mason bee, and the ...
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What kind of insect does chirp like this?

I live in Japan. Recently I hear chirp coming from Wisteria floribunda at every night. Please check this sound that I uploaded for this question.
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What is this insect in a cocoon climbing a web?

I found this thing hanging from the framework of my garage yesterday: The size of the object in the picture was about .75 inches tall by maybe a quarter inch wide. This was taken yesterday in a ...
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How to get ants/termites to attack

I am working on ant resistant coatings that are meant to make a material resistant to ants or chewing through them. The question is - how do I get ants to attack the material? I have considered ...
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Why is there a weevil on top of a beetle?

A click beetle was walking around and there is a weevil on top of it. Any idea why? I would also like to know the exact species of these insects. ! Time: 18:50, place: Netherlands / Noord-Hollands ...
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Can anyone identify this tiny insect?

Very high magnification, size of a very small ant. Found in Menorca, spain
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1answer
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Species identification please - Bug is a plague for Italian Stone Pines (Pinus Pinea)

They hangout on the top of Pinus pinea and spray a sticky substance all over the place. Size is about 2mm (head and abdomen) may be 4mm including antennae and legs. Could you please help me identify ...
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Will daily sweeped ants eventually learn their path is a dead-end?

An ant colony (likely Lasius niger) made its way through one of our rooms, literally. That is, they enter by a door and leave by the other, and vice versa. Some carry eggs, but in both ways, so I'm ...
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What type of maggots are these?

After leaving some hot dogs out in the sun at a pool party, we brought them inside and refrigerated them. I took them out today without thinking and microwaved them. When I put them on my plate, I ...
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What species of worm is this? Found in underwear on Ecuador coast

My wife found this worm in her underwear this morning when she woke up. It wasnt attached to her or anything. About 4-5 inches long. Redish in color and slightly see through, meaning you could sort ...
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Are there insect species where the male occasionally attacks/eats the female after mating?

While I realize this would be a very ineffective propagation strategy, it could be an aberration that is occasionally observed in the same way that males are not always eaten. Could males "pretend" ...
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1answer
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What species of butterfly/moth is this please?

What species is this please? It's really tiny. That's an oregano leaf. Location: United Kingdom
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Insect collection question: Where to find anchor pins for specimen vials

Where can I purchase anchor pins for insect specimen vials for an insect collection. They look like they are in an 'M' shape,sort of, and stainless? will hopefully hold better than staight pins.
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What do ants do with gypsum pellets?

I've noticed that ants are collecting the little gypsum gardening pellets (used to treat clay-ish soil to help plants use the soil), from about a meter away from their hive entrance. A string of ...
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Insect with Mohawk-style back in Mexico City

About 5mm long. Any idea what it is?
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1answer
33 views

What are the differences between insects and spiders?

I have always been told that a spider is not an insect, since the former has 8 legs and the latter 6 legs. Is it just a matter of definition and spiders could have been defined as "8-legged insects"? ...
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1answer
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Can you identify this red insect?

Location: Lansdowne, Uttarakhand, India Date: 27 May 2017 Time: 5.33 pm The insect was found walking upwards on a plastic table. It was about 3-4cm long, as far as I remember; its been a long time ...
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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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Identification of that red and black bug

Found in France countryside, few hours ago, on a bushlike plant in direct sun light. There is dozens of individuals, by groups of 5-ish, everywhere on the plant, along aphids, maybe sucking the plant'...
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Why does centipede keep running into my hair and bite me? [closed]

After I moved into a new house in the suburban area, I was bitten by an unknown creature near my spine at mid-night. I felt painful and dizzy. However, after 15 mins, I no longer felt dizzy and the ...
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What kind of larvae or worm is this? (Long Beach, California)

I wanted to know what kind of Larvae or worm is this. I spotted it when I was at the park near my campus.
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1answer
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What is this black insect?

I found it in my computer but I don't know what it is
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Help identifying this cocoon..?

Picture taken May 15th in Central Mexico, the cocoon is attached to a Rose bush leaf and is about 2cm long.
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What insect is this? Found in Russia

Found in Russia in the kitchen. Its about 15 mm long.
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Black caterpillar

What kind of caterpillar is this please?
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1answer
43 views

what kind of insect is this

It has what appears to be antennas in both front and back and legs front and back orange coloured dots ob front and rear of a blackish brown body
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1answer
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Why are bees attracted to Stag Hides in Lime bath

A friend has some stag hides in lime-water solution. He noticed the stag hides were covered in bees of several different species. He also noticed that the nearby sheep hides in a similar bath have no ...
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78 views

Can someone identify this creature?

I discovered a few of these while cleaning an outdoor fish pond north of Sacramemto California. What is this?
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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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1answer
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Can you increase the microbiota in an insect?

I know you can suppress the microbiota of an insect with antibiotics, but I´m am looking for a way to increase it. For example, can I feed an insect with something that helps boost the bacteria like ...
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1answer
71 views

What is this insect or lake dweller? [duplicate]

Found on my deck. We live next to a lake. Don’t know if a bird dropped it? Not sure whether to save it? Has scalloped front legs and a point from the end of what I think are wings. Antennae, ...
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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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Can you help me identifying an insect I saw?

I'm a student of biology and yesterday we went to the fields to collect some plants for our herbariums. Suddenly one student of our group said that he saw a very strange bug that he thought that was ...
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1answer
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ID bug found in Mojave county, USA

What is this? I found it under a bed sheet. I live In Mojave county, AZ, USA, in the middle of the desert. It was probably 1/8 inch long. And narrow.