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Questions tagged [entomology]

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

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Insect identification found in home. Possibly bedbug

I found this bug on my table along with a much smaller version of it. The smaller version was transparent. Google says that it was a bedbug but I wanted a second opinion.
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1answer
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What is this bug

This insect flew into my house in Singapore while it was raining. Size is around 1.5 inches. What is this?
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What type of insect or bee is this?

First time with Mason Bees here in Tacoma WA. We had three come out of their cocoons today. One female is working in a tube. But we had one insect who flew up to near the bee house, shook off their ...
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1answer
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What determines the duration of larval stage?

Why do insects have very long pre reproductive periods and very short reproductive periods? Is there a common characteristic that can indicate the duration of these stages or offer an explanation for ...
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2answers
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Red and yellow insect found in kitchen in Conrad, Montana (USA)

Beetle found in our kitchen in Conrad, Montana (USA) on 3/13/19:
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1answer
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What species is this fly?

I am looking for an ID of this fly at genus or preferably species level. Location: The Netherlands. Size: approx. 7-8mm Habitat: indoors, attic. Timing: usually appears late winter, early spring
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What species is this cocoon?

I found this cocoon outside my house and I want to know what insect might be inside it and it’s species. Please help! I found it a day ago when it was a worm, now its a cocoon, it’s like outside the ...
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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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1answer
61 views

Can anyone identify this creature that looks like a stick?

This thing was on me. I thought was a stick until it moved. It had a black worm like thing come out one end and stood up and thats how it moved. It would stick to fabric also. In Louisiana
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Book lice or bed bug nymph [duplicate]

Hello wondering if this is a book lice or bed bug nymph
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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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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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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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1answer
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Is this bedbug or book louse? [duplicate]

Hello everyone. I have been seeing tiny critters like this one in bed and I started to worryif they are bed bugs. Although they seem different in appearance as well as the fact that they don't seem to ...
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1answer
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Is this a type of fruit fly?

I live in Taipei, and these flying insects are about 2-4 millimeters long (body length). They are very active when it's over roughly 24C indoors, and will fly, land and run around randomly on ...
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1answer
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Can you identify this insect?

I found this insect in my own courtyard in the city of Pamplona, Navarre, Spain; during mid-February. My courtyard is never directly exposed to sunlight and is always cold, poorly lit and humid. It ...
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Flying insects on olive tree

They may be responsible for why the leaves are drying out. Location is in West Europe. Their size may be 0.5 cm to 1 cm
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What is this insect in winter?

I came across a bunch of these tiny ball-pen-sized insects that (to me) look like they belong to the beetle family. They are all dead but I do remember seeing it once flying in my apartment. They are ...
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2answers
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Range map atlas for insects?

I often use BONAP's North American Plant Atlas, for researching plant taxa ranges. BONAP maintains relatively complete phytogeographic and related botanical databases for all free-living vascular ...
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1answer
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Insect/cocoon ID?

Can anyone ID this? We’re in the Rocky Mountains, Western US. We found it stuck to the wall of our garage, a few feet up, hidden behind a snow sled. It seems to be covered, or surrounded, in what ...
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Can a bumblebee hive be positioned high above the ground?

We'd like to set up a hive for bumblebees and I wonder if it can be positioned high above the ground, for example on a balcony. As bumblebees usually nest in holes in the ground, I'm somewhat ...
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What are these insects

I am conducting research and these insects were found on my biological sample (sections of pig's femora placed in an artificial water setting). My location: Mississauga, ON What species of insects ...
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1answer
45 views

Strange Black-Brown Insect Identification

Interesting Insect from Singapore. Around 0.5cm. Has 2 tiny pinchers at its tail. Insect is black for most part. Please zoom in on scotch tape:
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What insect would make a hole and lay eggs in it

Does anyone here have an idea what insect would make a 1-2mm hole in a grape vine cane, and lay small white/clear eggs? Holes in cane:
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1answer
43 views

Egypt bug needs identification please

Is it possible to identify this bug,,? Found in South Sinai .in Egypt . Only seen crawling but maybe it can fly ? Black with 6 legs. 2 long black "strings " coming from back end Thank you
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Current and Voltage to kill a cockroach

I am trying to build an electric device for killing cockroach infestation. What's the required current and voltage to kill a cockroach?
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1answer
36 views

Worm type bug inside of stick? What is it? [duplicate]

This bug was found on the wall of my closet in Seattle, Washington. It has been around 40-50°F lately, and it is winter. It looks like a tiny, brown, fuzzy stick/twig, but there is a hole through the ...
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1answer
49 views

What is this insect I found in my kitchen? [duplicate]

So I found this bug crawling around near my kitchen sink. There were two others, but not any sort of swarm. I think they're some sort of insect larva, as they don't have a bunch of legs like a ...
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2answers
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What Type of fly is this? its huge

I found this stunningly beautiful Fly in a graveyard in Point Lonsdale Australia. Can someone tell my what type it is Please. It was wide as my thumbnail about 3cm long.
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How much energy do small spiders expend when they are just waiting for their 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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How does mineral oil kill a cockroach?

A recent post at a sister site Best field remedy for small cockroach in the ear has an answer that says A few drops of baby oil (light nontoxic mineral oil) to suffocate the cockroach then ...
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3answers
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Why did a lot of common insects evolve such a thin waist?

Something that doesn't quite make sense to me is why lots of insects like ants, bees and wasps have a such a small petiole when it connects many major organs to the rest of their body from a suddenly ...
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How can I model what average morphology will evolve towards for a specific targeted trait in mind?

I am interested in being able to project physical characteristics to predict them in the future. For the sake of simplicity in isolating parameters, assume current environmental conditions. Now take ...
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1answer
51 views

Species-ID: What is this thing attached to my wall (California, USA)

I found this thing attached to my wall next to my garden. I live in Simi Valley, California, USA. At first I thought it was a caterpillar and I left it alone, but after 2 or 3 months I don’t think it ...
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What is the outcome of the interaction between nectar-producing plants, aphids, ants, and natural enemies?

A lot of plants produce nectar, either floral nectar or extrafloral nectar. Extrafloral nectar is notably supposed to have evolved as an plant indirect defense mechanism, that allows attracting "...
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Are there parasitoids of mosquitoes ? (other than nematodes)

Outside of nematodes, are there any examples of organisms that are parasitoids of mosquitoes ? I could not find any example in literature so far. I'm notably interested to know if the most known ...
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How long can a small insect live in a non-conducive environment like a computer monitor?

I have a super tiny insect (smaller than a cat flea) crawling under my monitor. I read up online and decided not to kill it due to the risk of it splattering its internals under the screen. I am ...
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1answer
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What are these tiny, swarming, jumping bugs?

I built a small plywood box in my yard (on Long Island, NY, USA) for some stray cats about a year ago. I didn't bother waterproofing the box, and so over time the box has gotten damp. About two weeks ...
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How do booklice avoid dessication?

I often find booklice (aka psocids) in old paper notes I have in semi-storage. These pages of paper are intentionally left in dry conditions on my desk to avoid damage. However, if the psocids live ...
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Shrimp in rainwater puddles [duplicate]

After rain, we often find shrimp-like creatures in the puddles left on our concrete patio. We have also found them in the cat's water bowl (on the same patio). They are pink in color, and around 3mm ...
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1answer
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Bug identification - Beetle, grasshopper, moth-like and it also flies [duplicate]

Could anyone please help me identify this creature? It can fly and seems to like crawling as well. It has mandibles that are beetle-like. Approximately 3cm/2inch. Location: KwaZulu Natal, South ...
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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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1answer
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What is the name of the species of this butterfly?

Well,I am from India and live in the northern part of the country.I commonly find these butterflies during winter or spring seasons. The original image shot is:
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1answer
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Are there examples of Apis mellifera of different colors?

Re: my previous species-identification question, What species is this gray bee? I'm still curious: Are there any recorded/reported cases of either albino Apis mellifera, or at least with ...
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0answers
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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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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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What species is this gray bee?

Is this a bee at all, is it just an albino Apis mellifera? It is roughly the same size as regular honey bees, and was pollinating lavenders along with many of the latter. There was a couple of these ...
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Bug identifying [duplicate]

Can anyone help me identify this insect found in my office today?
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1answer
49 views

Why are bed bugs attracted to Carbon Dioxide?

All over the Internet it says bed bugs are attracted to Carbon Dioxide. This is why they congregate around beds. Your bed is the only place you are stationary for long enough periods of the day to ...
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1answer
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What is this insect flying in my Los Angeles bathroom?

We live in the Los Angeles area. This insect has been very common in our bathrooms recently: They're about 1/4" long, and can often be found resting on our towels. In the months leading up to ...