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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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Fly with no wings? [closed]

I live in North Wales UK, have recently seen a large number of these creatures on my bedroom carpet. This morning 20, yesterday 40! Would love to know where they're coming from and how to get rid of ...
Diane 's user avatar
2 votes
1 answer
54 views

Do all species of wasps eat nectar?

There are many species of wasps, some of them are consuming other insects and meat. But do those wasps that eat insects also eat nectar from flowers? Are there known species of wasps that are solely ...
Graphenjoyer's user avatar
-2 votes
0 answers
29 views

Can someone id this insect, pls? Mantid like movements with limbs. tion with Western ghats region, goa

About 5 cms with wings dark brown with patterns
Parineeta Srivatsa's user avatar
0 votes
0 answers
70 views

Why does the blend of many cicadas sound lower-pitched than individual nearby ones?

In the last emergence of Brood XIX, I noticed that the nearby cicadas made individual chittering sounds that you could hear against a more distant background of a warbling "flying saucer" ...
Mark Foskey's user avatar
-1 votes
0 answers
17 views

How variable are emergences of periodical cicadas?

Brood XIX of the periodical cicadas came out last month where I live, and they were pretty loud. Certainly not "deafening", but impossible to miss. Thirteen years ago, in 2011, I don't ...
Mark Foskey's user avatar
2 votes
0 answers
31 views

Why is this small fly trying to live in my speakers?

While having the window open today, I discovered a small insect repeatedly flying into my room. It had seemingly discovered that a small hole for the power LED to shine through was the perfect size ...
Bdoanno's user avatar
  • 29
1 vote
1 answer
81 views

Species Identification - Blue multi-segment arthropod

This bug has a blue body, more than 8 legs, an orange head, and on its behind it has two stripes that are sometimes found on centipedes. Sorta hard to remember size, but I estimate about half the size ...
Benjamin Longworth's user avatar
0 votes
1 answer
38 views

Do compound eyes exist in nature that have multiple "pixels" per ommatidium?

If yes, which species? What is the terminology for such eyes?
lolmaus - Andrey Mikhaylov's user avatar
6 votes
2 answers
142 views

What is this insect (possibly a cockroach)?

I'm looking to identify this insect, found inside a (basement) bathroom by the sink. Wondering if it's perhaps an oriental cockroach / water bug, but the images don't look quite the same, and the bug ...
avp's user avatar
  • 163
1 vote
1 answer
205 views

Bug identification: Looks similar to a tiny silverfish

Found in NY outside on mailbox in a group of about 1000, it is about 1/8" long (not counting legs), with dozens of very hair-like legs. The front (?) of the bug appears to have larger leg/...
Xenalin's user avatar
  • 13
0 votes
0 answers
16 views

How does salicylic acid ingestion affect insect metabolism?

It is well known that plants may use salicylic acid as a signalling hormone when under attack by certain phytophagous insects. Moreover, exogenous salicylic acid admixing with insecticides seems to ...
Serge Stroobandt's user avatar
1 vote
0 answers
63 views

Reasons behind the sticky substances are used by poplar in buds

It is well known that sticky poplar buds falling on a car can seriously damage the paint. Also these scales from poplar stick to the paws and fur of animals like Velcro. Personally I don’t think the ...
Mikhail Gaichenkov's user avatar
2 votes
0 answers
62 views

Help identify black, brown bugs in Virginia

Please help identify these black, brown bugs found in the bathroom in a home in Virginia. The bathroom has mold due to a pipe that was leaking. They are very small and maybe 1 mm in length. The ...
user510798's user avatar
2 votes
1 answer
78 views

Camera-shy black and green damselfly in Taiwan - species identification?

These photos are from April 7 and 21, 2024 in northern Taiwan, taken in dark, moist forest locations about 10 meters apart, of a damselfly species I've never seen before, here or anywhere else. I ...
uhoh's user avatar
  • 5,598
2 votes
1 answer
94 views

Butterfly wings with ragged edges - worn out, camouflage, fungus, or something else?

Here are two different butterfly individuals of different species in northern Taiwan whose wings had ragged edges. The whitish one was pretty lethargic and just wanted to stay in the grass and be left ...
uhoh's user avatar
  • 5,598
1 vote
1 answer
56 views

Can anyone identify this please?

I found this in a toilet in the UK. Any ideas what it is please? Thanks
Lindsayb1980's user avatar
4 votes
1 answer
821 views

What is this arthropod? (found in Lapland - Finland)

I found this arthropod climbing the wall of my room in Lapland, Finland. (the max width is about 0.5 cm) What is it? Is it dangerous?
Francesco Iapicca's user avatar
0 votes
1 answer
1k views

Claim in article about why insects are attracted to light

In this article they are addressing the reason insects are attracted to light when they say Heat radiation as an attractive component is refuted by the effect of LED lighting, which supplies ...
Quinn Culver's user avatar
1 vote
1 answer
98 views

Will “ground hornets” come back to the same place after winter?

We recently moved into a new house and when we mowed the yard we were being stung by these huge hornets. We couldn’t find anyone to remove them and I am terrified they are going to come back this year....
Rachel Baskerville's user avatar
4 votes
1 answer
135 views

Identification of an insect found near the Rhine, Germany

It was about 2-3cm long It has two small wings and 6 legs
Robin Schlipper's user avatar
1 vote
1 answer
205 views

Does my dracaena marginata have spider mites?

I'm trying to determine if my dracaena marginata has spider mites. A little history about the plant: I got it about 5 months ago and it seemed to be an outdoor plant with the previous owner. Since ...
dmking0728's user avatar
1 vote
1 answer
67 views

Spider ID: What is this?

This crawled on my husband. It didn’t bite him, he was able to swat it away so that’s why it looks a little messed up. I honestly just want to know if this is poisonous. We live in AZ, Goodyear area ...
Pinkiidinkii's user avatar
6 votes
1 answer
461 views

What are the three dots (eyes?) on the top of this wasp's head? What species might it be?

I photographed these (unidentified) wasps on a sunny but cool winter day in northern Taiwan because they were conspicuously hanging out on a hand railing and had much lighter coloring than I'd ever ...
uhoh's user avatar
  • 5,598
29 votes
1 answer
4k views

Why do wasps have "wasp waists"? What's been optimized?

I photographed these (unidentified) wasps on a sunny but cool winter day in northern Taiwan because they were conspicuously hanging out on a hand railing and had much lighter coloring than I'd ever ...
uhoh's user avatar
  • 5,598
1 vote
1 answer
79 views

Insect identification request : is it any species from muscidae family or some another?

I belong to Haryana , India Sudden I found this type of insect in my classroom and it stung me suddenly because ,I felt itching in my hand for about 15 mins , so please tell me, is it poisonous or not ...
Vidushi Aggarwal's user avatar
0 votes
0 answers
83 views

What are Palomena prasina doing in my home?

I live in eastern Europe, and every autumn, ever so often a Palomena prasina flies inside my home. I have an avocado plant that I put them on to live - I currently have 5 of these on my plant However, ...
Nikolai Frolov's user avatar
1 vote
2 answers
313 views

Insect Identification Request -- brown and white flea-like bug

So for context, this is a bug I found on the leaf of one of my young ginger plants, which I found a few days after watering. I have a few other tropical plants next to it, like a vanilla bean orchid --...
nescientnoodle's user avatar
0 votes
1 answer
116 views

What kind of insect appears in this photo?

For months my wife has been commenting about a white substance spontaneously appearing on black clothes. Under magnification, the substance appears to possibly be eggs. As you can see, the image shows ...
Bernd Kruse's user avatar
0 votes
0 answers
24 views

Good source for current taxonomic keys

I’ve recently taken back up my interest in entomology and taxonomy. I used to be a biologist, but have long since moved to another field to make my way. I realize that all of my taxonomic keys are ...
box1763's user avatar
2 votes
1 answer
86 views

Is continuous exposure to blue light lethal for mosquito larvae?

I have been observing developing mosquito larvae since 2 days and I saw, while exposing my laser light of blue colour to it, that it becomes unstable on exposure to blue light. Thus, I wish to ask, ...
Vidushi Aggarwal's user avatar
0 votes
1 answer
138 views

Can anyone identify this bug please [duplicate]

We had just gotten a new kitten from a not great home. It was her second night here, and she was laying on my chest when I noticed that where she had been lying on me was really really itchy. When I ...
aspen trees's user avatar
0 votes
0 answers
53 views

Water consumption of the average housefly

So, I have this question: How much water does the common fly consume in its lifetime? I was able to find the following facts: Born from swine waste under 40% (waste to water ratio) Lifespan of 15-25 ...
Michael Toth's user avatar
1 vote
0 answers
73 views

Help identifying insect

I live in Milan, Italy in the city center. I started seeing this insect in August after a long vacation. In this periods the temperature inside the house went up to 36°C (temperatures here range from -...
user3161330's user avatar
2 votes
0 answers
118 views

Can a grasshopper jump with so much force that it could rip its leg off if it was stuck?

I live in Colorado Springs, Colorado, USA and I have noticed something interesting while walking and longboarding the many miles of paths of trails in the city. Grasshoppers seem to get stuck quite ...
Curious Layman's user avatar
2 votes
0 answers
52 views

What is happening to this moth cocoon?

We 'adopt' a catepillar each year and this year I believe we have a Buff Ermine Moth. It seemed healthy and created a woven cocoon. It was at this point that I found out these moths overwinter. We put ...
Helena Johnson's user avatar
0 votes
1 answer
227 views

What kind of moth is this? Why does it have a stinger?

Unfortunately, the moth died before I could photograph it. The body length is approximately 2-3Inches. It was much bigger than the moths I usually see. And this is the first moth that I have seen ...
shobana s's user avatar
0 votes
0 answers
35 views

Insect identification request - Is this a bed bug? Colorado, USA [duplicate]

I found three of these bugs in our friends house all dead. I never found an alive one… But I’ve been waking up with bites in the breakfast lunch and dinner pattern. I want to confirm they are bedbugs ...
Cowboyflower's user avatar
2 votes
0 answers
60 views

Ladybug: Number of spots

I'm interested in Ladybugs. I read a lot about the number of spots of ladybugs. The number seems to be between 0 and 24, but as far as I can see, not every number in between exist. Up to now, I found ...
Ladybug's user avatar
  • 21
0 votes
0 answers
68 views

Why do some insects which are able to fly unusually do it when they are threatened?

I have killed cockroaches and beetles several times in my house. Sometimes I miss the insects and they run fast, but they don't fly most of the time. Even when I touch a beetle it just continues its ...
Snack Exchange's user avatar
0 votes
0 answers
44 views

Database of insect sounds

I was thinking last night as I laid listening to the loud insects at night here in Georgia, that I wanted to be able to hear the bug sounds people listen to all over the world. Could not find much ...
Jonathan's user avatar
0 votes
0 answers
31 views

Transfecting cocoon or chrysalis

Do you know whether anybody tried to transfect insects during their cocoon/chrysalis stage, and if so do you have a link to such studies? I was thinking it would be easier to do given that it's a more ...
TheChymera's user avatar
  • 1,336
0 votes
1 answer
242 views

I have a fruit fly problem

I've add fruit flies raising a garden every year I am very familiar with them and how to kill them. But twice now I have killed one by smashing it and upon doing so two little tiny bugs or crawling on ...
Audrey Quillen's user avatar
1 vote
0 answers
91 views

Does anybody know what kind of creepy-crawly this is?

My son found this caterpillar in our garden in the UK. Have asked multiple people with more knowledge in this area who have been unable to identify it. looking for any help? Having looked online the ...
Ashley Reid's user avatar
7 votes
1 answer
908 views

Very small, light and dark "insects" - Italy - Infestation, healthy problems? - Insect identification [duplicate]

I'm currently in a town near Savona, on the coast in north-west Italy. We had a problem with pigeons, that create their nests in the space between the roof and the ceiling. Now, from the tube of the ...
M4rc0txt's user avatar
8 votes
2 answers
198 views

What is this insect (or spider)?

Location: Vienna, Austria Date: July 18th Daytime: around 5pm Begaviours: none, unfortunately. Just walking I take these to be six legs and some kind of appendices. But I am not entirely sure.
Ludi's user avatar
  • 725
1 vote
0 answers
50 views

Found these bugs on a sticker in an old shoe box. What are they? [duplicate]

What are these bugs? I found them in an old shoe box on a sticker that was sitting on the carpet.
Kalla1987's user avatar
1 vote
1 answer
54 views

Behavioural experiment on Nasonia Wasps

I want to see how two male Nasonia vitripennis interact with each other. I have been using enamel paint on their heads to distinguish them, but I am wondering if any other methods of marking them ...
Aavani Babu's user avatar
0 votes
0 answers
111 views

what frequency is the mosquito's whine?

I read on Wikipedia that mosquitoes make the sound they make by beating their wings-- when they are flying, and that the average frequency of the wing beats are about 600 hz. I went and listened to ...
dlr's user avatar
  • 1
7 votes
1 answer
203 views

Were these spiders burried alive by a spider wasp?

I moved a stone plate in the garden in europe, that was stored vertically, leaning against another one. In the space between the two, I found some soil with small cavities filled with spiders. Most ...
another sack of chemicals's user avatar
1 vote
0 answers
105 views

Species Identification: Waterborne worm/larva, California, USA (and is it safe)

Can you help ID this species? The photos are low quality, so I'll do my best to describe them. I found them after I left a cup of dechlorinated, freshwater aquarium water outside with a plant in it, ...
Aidan Tung's user avatar

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