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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Can anyone identify this bug? Found in Toronto inside condo 4th floor

I am hoping someone can identify this bug. I live in Toronto, Canada. I’ve found two of them inside my condo recently and I would like to know if they might be a problem.
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Insect identification of firebug types

I have seen insects like European firebug without the two dots, is it some adaptation or is it a new species? It looks exactly like a firebug but without the 2 dots on its body sorry for image clarity,...
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What is this large long-legged orange and black insect?

Around and inch long. 6 legs, bigger than a wasp, and orange and black. Found near the coast in the woods in South Carolina.
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What are these little insects in that I found in my greenhouse?

I found these little (3-4mm) insects in my indoor greenhouse where I propagate Begonia from leaf cuttings. They are slowly walking around on the soil and don't seem to be particularly interested in ...
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How can I decrease the generation time of Drosophila melanogaster?

I have a gene deletion strain of Drosophila melanogaster made with CRIPR/Cas9, and now I have to clean the background of this strain (TM6C balancer background) by making backcrosses with wild type. ...
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Bug Identification: Black Insect with Red/Orange dot on back

I lifted the cover off my push bike today and discovered 15-20 of these insects all along one of my brake cables. A few were tending to "egg" like structures that were stuck to the cable and ...
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1answer
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What are these bugs eating my lumber?

Duplicate of this question. I found bugs in wood that I've had air drying for the last few years. What are they? I had a tree cut down a few years ago and some of the wood milled in to slabs. However, ...
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Exoskeleton Bug Identification

I found these bug shells / exoskeletons / casings in the corner of my room and I am wondering what they could be. They are about 1-2 cm long. The light colored spots on the floor are likely related. I ...
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Does a brown Pieris brassicae chrysalis indicate it is dead?

I have been breeding Pieris brassicae larvae in a glass tank indoors for my own personal observation. One of them, after the fifth instar, has moulted into a chrysalis. After 5 days of development in ...
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What insect is this? I spotted it on a wall in a bedroom [duplicate]

This is the closest distance & the best photo resolution I could get from my handphone. I discovered it on a wall in my bedroom. Could anyone identify what insect is it? Why the insect is in the ...
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Identify grasshopper species

I found this grasshopper on a house door in central Italy. It did not move for the whole day. I can tell it's a grasshopper, however I am unable to determine the exact species. Size: ca. 6cm Feel free ...
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Is it possible to "triangulate" the location of a termite colony in a horizontal space using light sources as attractive bases?

So we have termites and I noticed that one of the can lights in our subfloor (the 1.5 foot vertical space between our first and 2nd floor) was a lift off point for many swarms. I put some tape over ...
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Is this tailed butterfly a coral hairstreak?

I spotted this butterfly feeding on some lantana in Fort Worth, Texas. It looks exactly like a coral hairstreak, but it has these two tails (?) on its hind wing, whereas I thought coral hairstreaks ...
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What insect eggs are these?

There are only 3 eggs. A pink colour with stripes on it. Is it possible to identify the species? Found right below a window, on the wood. I'm in Bangalore, India.
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Help identifying 3mm bug that looks like a bed bug

I found this bug, size approx 3-5mm crawling on the floor. I've searched for bed bug images but I'm not certain if this is one. This seems to have a separate / longer torso than the ones in the bed ...
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What butterfly species is represented on this painting?

I am wondering if the butterflies represented on this painting correspond to a real species. Do you know if this is the case and if yes, what species they belong to? Or at least, what species could ...
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Can someone identify this insect species

I found a dozen of these insects on my wooden floorboards in the city of Athens, Greece (Mediterranean climate) (altitude 200m, 10 km from nearest shore). Currently it's Autumn. Size is about 0.5cm (...
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Why is this bumblebee attracted to a methane leak?

In this video from Bloomburg Quicktake, the reporters discover at a methane well (Skip to 14:21) a GHG leak that has attracted bumblebees. Does natural gas smell sweet to bees? Why would the bees be ...
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What species is this fly? Look like mosquito with unusually long legs

I found this in Bangalore, India. It looks exactly like a mosquito but with extremely long legs, first I confused it with long legged spider (which are common here) but it's not, Can someone tell me ...
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1answer
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What is the name of this mosquito-like insect?

While I was studying, this insect fell down from the ceiling. It was alone and not in a swarm. It looked much like a mosquito but is quite larger compared to a mosquito.. I live in the Indian ...
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Grasshopper vs Tarantula?

This past weekend (October 2021) while hiking west of the VLA in New Mexico (near Datil, NM, ~2200m elevation) my wife and I came across a strange sight. A small (5cm long), likely immature, ...
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Identification of butterfly from its caterpillar stage

Today I visited Bannerghatta national park's butterfly park situated in Bengaluru, Karnataka, India. I snapped a picture of a caterpillar in butterfly park. I inquired to caretakers over there for the ...
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For which wing characteristic are Plecoptera (stoneflies) named for?

I'm coming across variable etymological meanings for the order Plecoptera (stoneflies). Some sources indicate the meaning is "wicker/braided-winged", while others suggest "folded/...
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Identifying unknown biting insect

Pattaya (Thailand). Unknown insect (similar to a beetle) that bite: long 2 mm, large 1 mm. It has 2 front claws. Pictures attached. Probably it lost some legs when killed (I felt the bite and I ...
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Kansas Insect (Black Bee/Wasp?) Identification

I live in Kansas (Pottawatomie County), and I found a bee-like insect in my bedroom. The creature looked like this: The insect about 5 cm long in size (as you can compare it with the window blind), ...
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What is this water animal in my swimming pool?

I have had a swimming pool (which is salt) for few months. 2 weeks ago I saw this: I made a quick gif of a video: Today, I found 4 more of this animal: All of them that are living I found in the ...
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Identification of huge larva in South Tyrol

On a sunny autumn day (19.09.2021) i saw a huge green larva crossing the street facing a wineyard. The picture was taken near Bozen, South Tyrol (22 °C that day). It is at least 14 cm long and 2 cm ...
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Do you know what kind of bug this is?

I have tried to find a similar picture online, but can’t seem to find any. Does anyone know what kind of bug this is? It has been on a penstemon plant for about 3 days. I am located just outside of ...
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Can someone identify this male Zygaenidae (subfamily Procridinae)?

Photo taken in 2018, Near Berlinchen, Germany. The immediate vincinity is Calluna on sands. The area has a an interesting vegetation with heather and broom, species-rich grasslands on poor and ...
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Do moth/butterfly eggs hatch if they fall on the floor

My garden has recently had a few visiting butterflies. Pretty but they lay eggs on the undersides of my veg. The caterpillars will just wipe out the entire crop. The plot is only 3' x 2' - it has ...
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1answer
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What insect is featured in this picture?

At the end of the summer, we've been finding these insects in our apartment complex in Baltimore, MD. What are they and do they bite? The length is about the size of a US nickel (We've had mysterious ...
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Identifying insect in Sri Lanka

I saw this one in our garden in Colombo, Sri Lanka. It seemed to be hiding from the harsh sunlight that was there. I have never seen this bug before. Anyone know what bug this could be?
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Would it be possible to create logical circuits out of insects?

Could one organise ants, bees or any insects to do addition using logical gates: AND, OR, NOT, XOR. As inputs/signals one could imagine for example that 1 would be food and 0 would be no food.
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Identify bug found eating wood table

This bug came out of a hole in a wood table. I'm in south-west France but since we bought that table one year ago, it was most probably in the table when we bought it so it could be from anywhere. I'd ...
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2answers
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What do you call members of a same species that show some morphological differences depending on their environment and/or diet?

What do you call members of a same species that exhibit a number of morphological differences depending on their environment and/or diet? I was thinking of the term "different phenotypes," ...
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What is the scientific name of this green insect/bug?

(Picture from Internet) I want to know the scientific name of this insect. They are very small in size and they do not like to stay at one place so taking pictures is hard. Following are some ...
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Is this a nymph of a Zelus renardii or Zelus luridus?

My mom found this insect on one of her plants, and she would like to know what it is and whether it is dangerous or harmful. I've done some research and I think it is a nymph of a Zelus renardii, but ...
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Could grasshoppers have a homing instinct sort like salmon?

I have eastern lubber , Romalea microptera, grasshoppers (about 3 in.long), and others I do not notice. The first time I saw juvenile eastern lubbers I did not kill them because they were interesting, ...
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Damselflies: which exact species of Coenagrion

I recently took the following pictures of Coenagrion spp.(6th of June, in Versoix forest (small pond), Geneva area, Switzerland, Alt: ~450m). Picture detailed & cropped: For the identification, I ...
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Identify a copper fuzzy moth

Photographed in 2003 in Panama. Not sure of size.
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Better understanding the life cycle of lasioderma serricorne (cigarette beetle, cigar beetle, tobacco beetle, drugstore beetle)

Lasioderma serricorne, commonly known as the cigarette beetle, cigar beetle, tobacco beetle, or drugstore beetle: Live 2–4 weeks. The female beetle lays as many as 100 eggs loosely on the substrate ...
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Long strand of white eggs on balcony cat net - What insect do they belong to?

In the last few weeks we've noticed multiple strands of tiny white eggs appearing on our balcony cat net. It seems that they were always laid after rainfall (we had plenty in the last few days). Old ...
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1answer
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Large caterpillar with prominent eye-spots and a Morse-code pattern

I would appreciate any help in identifying this caterpillar. Location: Goa, India. Tropical climate Currently rainy season. Seen in the morning Length: about 5cm, Diameter: about 1cm
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How long-lived are insect aggregation pheromones in an indoor setting?

Various insect species deposit an aggregation pheromone onto nesting sites, to attract conspecifics. I want to know how long-lived this effect would typically be in an indoor setting. For instance, ...
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The Portion of the Earth's Biomass Attributable to Ants [duplicate]

An exterminator came to the house today (bad ant problem). He claimed that 20% of the earth's biomass is comprised of ants. I was surprised by this statement. I figured that I would post the question ...
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Identification of moth in Pandemis heparana trap

While monitoring Pandemis heparana in an apple orchard in South Tyrol (middle of August), I frequently observed huge moths accumulating within the trap. The trap itself is working with pheromones for ...
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1answer
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Bug identification

Germany, cca 0.6mm, dead Bug, i haven't see before
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107 views

Is this a bed bug? Looks like a skeleton

Is this a bed bug? Germany, the size of specimen is 0.6 mm.

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