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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1answer
103 views

Why exactly are the reflections of sunlight in this dragonfly's eye hexagonal?

I photographed a rather cooperative, large dragonfly today and after getting back to my desk and looking closer at the images I realized that the reflection of the Sun in its eyes produced large ...
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1answer
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Giant insects growing question

During the dinosaurs time 100-200 million years ago there were giant insects like 1 meter long. An example is here. One of the theories why they could grow this big is that oxygen level was much ...
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Phytophagous worm identification

These worms appear soon after the rain lilies flower and slowly nibble on the leaves growing big and chubby. They are about 5cm long, have many small red legs underneath, have no spines or spikes, and ...
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2answers
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How do crickets get away with being so loud without getting eaten?

How do crickets get away with being so loud without getting eaten? There are a number of bugs that reproduce by blatantly advertising their location. For instance fireflies advertise their location ...
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1answer
81 views

Can I safely handle this caterpillar?

I just found this caterpillar in my garden. I’m about to mow the grass for the first time. Can I safely handle it? What type of caterpillar is it? For reference, I’m in Leeds, UK. Here are some ...
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1answer
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What causes the sound of climaxing bees?

I just saw the funniest video of bumblebees(?) having sex. (mirror) As they were getting it on, there seemed to be an almost audible 'moaning' coming from the pair. From what I presume it was a sexual ...
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1answer
68 views

Identify this dragonfly with orange body and orange wings?

The photo shows a red dragonfly on top (in front of some hot pink snail eggs) but an orange dragonfly with orange and perhaps translucent(?) wings near the bottom. This is the best resolution I could ...
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1answer
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Identify these two large, colorful dragonflies in Taiwan?

Here are two dragonflies that I photographed today in Hsinchu county Taiwan. They are both quite large, with a body length of about 5 or 6 cm. I often see them in the same pond or nearby marshy area. ...
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1answer
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Why do dragonflies have these special little spots on their wings?

The wings of several kinds of dragonflies I've seen here in Taiwan all have an apparently special little pigmented spot near the ends of each wing. Does this spot have a name and a function? below x2: ...
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1answer
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What is this giant mosquito-like insect?

I found this bug in my kitchen in this morning, in a suburb of Houston Texas, about 30 miles Northwest of downtown. It was on the wall, and when I went in for a closer look, it quickly flew away - up ...
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What is this insect, is it a butterfly?

I am not sure if this is the good place: I am wondering what sort of insect is in this picture. It is approximately 10 millimeters long and 15 wide with the wings. I have found one of them each day ...
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Is there a season for hummingbird moths (US)?

I have seen hummingbird moths the last few years by accident . Always at dusk , usually on 4 O'clock flowers. This year I have looked for them many times but today ( Aug.24) is the first sighting. ...
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1answer
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From what kind of insect might these eggs be

Does anybody know what kind of insect might have laid these eggs: The photo was taken a few days ago in Limburg, Belgium near a pasture with some goats.
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Beetle Identification / able to retract its head

I can't find any identification of this beetle online. The closest guess I got to it is "Hister beetle" but the rough surfaces on its shell make me think otherwise. The most common behavior ...
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Can someone help to identify this insect?

I found a few of these insects around my house, and I'm curious what insect it is. Seen mid-August in Singapore At least several mm but lest than 1 cm long Seen walking slowly. I can't be sure but ...
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1answer
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Insect crawling Identification

What kind of insect is this, and is this venomous, or dangerous? Don't need full species name just common name will do, color is red. Grandma always warned me of this, they usually are seen in monsoon ...
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0answers
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Is this a carpenter bee?

This bee visits our balcony every day multiple times, but only for a brief time, making it hard to take a good picture: Here's another picture, I finally got lucky so I'm adding it to the question: ...
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Insect Identification question: Is this a flea? If yes, what kind?

I live in the pacific northwest and I found these insects in the carpet and comforter. I suspect them to be flea based on my image search. But I would like to confirm. Can you also tell me what kind ...
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2answers
80 views

Identify this thin and strangely-shaped dragonfly, and understand why the shape looks so weird

I took these photos around noon in mid August in Hsinchu county Taiwan. I've seen many dragonfly varieties but I've never seen anything like this before. Its body is about 5 cm long and very thin ...
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1answer
93 views

Identify this black dragonfly with bluish coloration along its flat top, yellow on it's mid-body and green on its head

I took these photos around noon in late July in Hsinchu county Taiwan. This particular stick in this particular pond is visited by many dragonfly species. I have seen this kind of dragonfly very ...
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1answer
54 views

Anyone can identify this moth?

Found on the ceiling of my flat. Place: London, UK Date: 9th of August Size I would say slightly more than inch and inch and half (3-4cm) wingspan Suspect on the photo:
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Arthropod identification request [duplicate]

I'm in Southern Germany and just captured this animal crawling along my wall at considerable speed, apparently hiding from the light. It looks like a entipede from afar (about two dozen legs), and ...
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2answers
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What are all the possible developmental stages an insect can be in?

I'm making an app which allows the user to report insect observations. Many bugs may exist in different forms throughout their life time. For example, a butterfly will exist as an egg, a catterpillar, ...
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Identification of a red arachnida (?) (picture and video)

I found this in a greenhouse in Norway. It is a few millimeters in size, I could fit 5-6 of them on my thumbnail. It looks a lot like this one from Wikipedia https://en.wikipedia.org/wiki/...
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1answer
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Bed bug or booklouse? [duplicate]

I found this creature climbing on the lower part of a wall inside apartment. Can you distinguish if it's a bed bug nymph or a booklouse? Sorry the photo quality isn't great, because it's so small (2 ...
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3answers
559 views

Identify this black dragonfly with a bright bluish-white band around its body

I took these photos around noon in late July in Hsinchu county Taiwan. This particular stick in this particular pond is visited by many dragonfly species. This one was very high energy and nervous but ...
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1answer
96 views

Are these springtails and isopods?

G'day! I'm based in Victoria, Australia. I'm hoping to culture springtails for my terrariums, so I went out and tried to collect some. I found them underneath a rock, which was sitting on damp ground. ...
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1answer
180 views

What are these small, indoor bugs?

I live in Switzerland and have noticed these small bugs appear in my bedroom, either slowly crawling on the parquet flooring, lazily buzzing around or dead on my windowsill (as pictured): I'm not ...
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1answer
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Do Termites and Silverfish metabolize cellulose the same way?

I am fascinated with silverfish and would like to understand more about their metabolism. I learned that they can survive on a diet of cotton which is nearly pure cellulose. Do they metabolize ...
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1answer
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My dog and I are wondering: is this a biting midge, or another bug?

A week or two ago, my dog started scratching, and it only increased. Not long after, I started getting bit by something that itches something awful. I thought it was fleas so got some medication and ...
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Brown spider in New Hampshire White Mountains area found in sheltered areas around house

Found this light brown spider in sheltered locations outside my home in Franconia, New Hampshire. Should I be concerned about its presence and the dozens of others?
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1answer
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Why do dragonflies lose all of their coloration once they die?

At 06:43 in The Secrets of Nature video Sky Hunters, The World of the Dragonfly - The Secrets of Nature the narrator says: Scientists have been collecting ...
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1answer
56 views

Is this a termite wing or flying ant wing

I saw this on the bottom corner of my pantry in the Washington DC area. I can't tell whether is termite wing or something else. The wing is 3/4" long.
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1answer
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What kind of soil-dwelling flying insect is this?

In the UK. They are roughly 1.5mm long, appear to crawl much more than fly, and seem to live in the soil of indoor potted plants. They are fast and tiny, so apologies for very shallow DOF. The first ...
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52 views

What is this larva/insect?

What is this larva/insect that I saw crawling on one of my books? It moves by wriggling motion and seems to be able to retract it's head(?) when disturbed. It is about 8mm long. Location: Chennai, ...
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33 views

Expected number of times a mosquito bites (per night)?

Imagine you are sleeping alone in your bedroom and there is a (female) mosquito in the room wanting to feed on your blood. I read here the mosquito will try to keep biting and feeding on you until its ...
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1answer
40 views

What species is this interestingly colored brown moth

This fella fluttered into a kitchen at night, maybe from the vegetation in the yard, and I got lucky to trap it in a transparent plastic bag for a while (with enough room to move, which it started ...
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1answer
65 views

Large Alpine Hymenopteran Seen in the White Mountains

I was hiking in the White Mountains in New Hampshire, USA, and at the peak of Mount Eisenhower saw a number of large bee-like insects. They appeared to be nesting in a rock cairn, and were strikingly ...
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31 views

How is knowledge about farming transfered between generations in farming ants

There are some varieties of ants capable of "agriculture", e.g. dairing ants farming aphids and leaf-cutting ants farming fungus. How is the knowledge about the techniques involved passed ...
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31 views

What is the name of this insect? It is from Punjab, India

What is the name of this insect? It is from Punjab, India.
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Is there any evidence contrary to the pheromone theory of bee washboarding?

I've heard beekeepers say they "don't know" what the function of washboarding is. James F. Taulman suggested in a 2017 study that the primary function of bee washboarding is the application ...
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53 views

What was the largest flying insectoid pollinator?

Megachile pluto is a large resin bee whose body length may reach 38 mm and a wingspan of 63.5 mm. But that's nothing compared to the prehistoric and extinct Meganisoptera including the Meganeura, ...
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116 views

Bedbug or psocid? [duplicate]

I’ve found a few of these tiny bugs on the windowsill next to my bed. Can anyone tell if it is a bedbug nymph, psocid, or something else?? I’m hoping it’s not the former! Edit: They were very small ...
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37 views

Could anyone kindly identify this bug for me? Is it harmless?

Details: Found by a wall/window in Brooklyn, NY in a house not too far from the beach Rooms walls/windows are dusty and spots of mold growing on wall/windows size of bug: 2 milimeters Keywords I've ...
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1answer
124 views

Help identifying an insect by its remains

Yesterday i hiked in Bolsena lake, Italy. I felt this insect moving into my ear. So i smashed my ear and this is the result. Please tell me that there are no risks related to Lyme desease or similar. ...
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What is the minimum atmospheric pressure at which bees can live/thrive?

Bees are amazing little critters. (Gosh, they're cute.) But what if we colonize Mars and start terraforming it? At what point will bees (and other insects) be able to live/thrive in that environment? ...
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39 views

Bug identification

This little thing was stuck in my toe. Not sure if its head is missing or sth. Do you know what this could be? Found in central Europe.
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Identification of the bug on the curry leaf- Delhi, India

I found this bug on my curry leaf in early morning. Which bug is this? Size- 1-2 cm Habitat- Delhi, India. The bug was on one of the curry leaf of the curry plant pot in my residential balcony Time- 7:...
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1answer
60 views

What specie of flying insect is this? [duplicate]

The insect pictured below just flown into my room. I live in Central Europe (Poland), it is about evening now. The thing is about 1,5 cm in length (not sure about this, I was too focused on driving it ...
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1answer
79 views

What “algorithm” are carnivorous larvae using when foraging?

What algorithms are carnivorous larvae (lady bugs like Adalia bipunctata, Coccinella septempunctata, common green lacewing (Chrysoperla carnea) or hoverfly (Syrphus)) using as they are foraging for ...

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