The scientific study of insects.

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Insect behavior - why do they land on my window and refuse to move [on hold]

Why do so many insects, particularly bees, land on my window screen and refuse to move even if I hit the window or the screen to make it go away. They do this to my car window too. I see no reason for ...
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1answer
46 views

Is this a firefly?

It glows without interruption. This photo was taken near Barcelona, Spain. Thanks in advance.
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How the Phereoeca uterella (casebearer) is formed? [on hold]

Does anyone know how the Phereoeca uterella known as the casebearer is formed or born?
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1answer
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Constantly wiggling moth pupa - will it emerge soon?

Today I found a moth pupa in the soil in my garden in western Sweden. It's about 15 mm long. I have found similar ones before, but this one is wiggling a lot more, even after I put it down and put a ...
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What is this insect found commonly in coastal India? [duplicate]

I have lived in two cities on the western coast of India and I have seen quite a few of these insects(?) in both places. It basically has an outer cocoon of sorts, which looks a lot like dirty ...
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2answers
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Insect making continuous sound in summers

In deciduous to tropical-deciduous forests and residential places with such vegetation I have found this insect to make continuous sounds all through the day (even in nights sometimes) during the ...
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1answer
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Need Help Identifying this Critter (Insect?)

This creature is hanging out on my kitchen window. I live in Western Maryland, US, near the Potomac River. The creature is about 3 inches long (measured from tip of mandibles to tip of tail). Does ...
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What is the difference between desert and migratory locust?

I know both are species of short horned grasshoppers and belongs to the orthoptera order, Acrididae family and so on. But what is the difference between desert and migratory locust? How do we ...
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1answer
100 views

What made this black cluster on a leaf?

I found this black slug-shaped thing on a leaf by my pond in western Sweden. It's about 15 mm long, positioned on a vertical leaf (I bent it to take the picture). And I don't even know where to ...
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83 views

Insect species identification [closed]

I think it's a moth and need further identification like scientific name, order and family. The picture was taken on May 30/2016 in my university laboratory window in South Korea. At that time there ...
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1answer
476 views

I found this insect in Utah, USA. What is it?

I keep seeing this insect around my house. What is it? Here is another image:
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57 views

Trying to identify an insect

Toady a friend saw an insect in his garden, in the UK (England). It looks like a combination of a hover wasp, a wasp and a dragonfly. Whist flying, I'd describe it more similar to a dragonfly. I've ...
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Identify this cocoon worm

I couldn't identify which species these belong to. I believe its a larvae of an insect. They measure approximately 5 to 10mm in length. These are common in the southern states of India. They carry a ...
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Bee identification

Can anyone help identify this UK bee? The picture was taken in June 2016. Doesn't have to be exact, really just want to know if it's a honey bee or a solitary bee. Thanks.
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Species Identification: Red velvety insect, India

Description: Location: India These insects came out just after overnight rain. They were all over the place. Their body looks like velvet. Are these insects poisonous?
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Species Identification: large shiny black beetle, Detroit USA

What sort of beetle is this? I live in a suburb of Detroit and found a whole bunch of these living under my lawn when I was replacing a section of it. I'm assuming these are also the source of the ...
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Species Identification: Small white maggot/larvae, Missouri USA

I'll try to give as much information as I can, because I don't know which information will be more important. We woke up this morning to these little white worm/larvae in the house. We are located in ...
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I saw these patterns on a hill. Which insect makes such a pattern?

Description of the location It is in India The place is 300-400 m above sea level. There is no water body nearby. Which insect makes these patterns?
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Do people even notice when insects other than butterflies and beetles go extinct?

Lists of endangered animals only include beetles and butterflies if they bother to mention insects at all. Here is an example from where I live: http://www.dec.ny.gov/animals/7494.html All of the ...
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Species Identification: Waterborne larvae, Texas USA

Can you help identify this worm? It was found in a cup of water at a restaurant (unpleasant, yes), likely came through the water system. (Location: Texas) Found these images of it online (in which ...
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4answers
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How to get rid of mosquitoes in a small lake

I own a small lake. Give or take it is about 50 meters wide and 100 meters long (or 160 feet wide, 320 feet long), with a max depth of around 2 meters / 6.5 feet. One third of the lake is surrounded ...
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What is this wood-infesting insect?

I have these insects in a very old wooden floor. I would like to know whether they are possibly termites, and if not, what they are. They are about 4 mm in length (and I've had difficulty taking a ...
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2answers
83 views

What is this animal? [duplicate]

Can someone tell me what is the name of this one? Then I can check a little more about it.
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1answer
84 views

Can you identify this animal?

It was in the bathroom, 2cm in lenght (or so). It has two small antenas on the head. I live on Balkan peninsula, inland.
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Species Identification - small insect

I found a few of these walking in the middle of the night (about 3 AM) on a wall in my room near the floor. They are at most a few millimetres long (no more than 2 I would say). I am living in Poland, ...
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How do mosquitoes orientate in the darkness?

An annoying mosquito (Culicidae) which kept me awake nearly the whole night lead me to this question. I have heard that mosquitoes can smell CO2 which could help them to orientate in the darkness, ...
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39 views

What's the name of this insect?

Here's a picture: That's pretty much it, besides that it was found in Vienna, Austria. Edit: Thanks to Magne Flåten; it's called Hausmutter in German.
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Moth with silver marking on wings

This is a moth that we found on a curtain inside the house a couple of days ago. Unfortunately, these pictures did not come out as well as I thought before I realized it outside. But I was struck my ...
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Wasps a few days after bees? [closed]

It was several weeks ago that I noticed this but I saw wasps(I think they were yellow jackets or hornets since I saw them flying alone and with reddish wings very spread out(more than that of a fly or ...
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What is the species of this butterfly? [closed]

What is the species of this butterfly?
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Can the restless leg syndrome may have been caused due to natural selection? [closed]

Disclaimer: I don't know how much restless the leg has to be, in order to be considered a syndrome. RLS runs not only in my family but also several people in the locality. My hypothesis is that RLS ...
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Preferred criteria for new bee colony location

As a human I want a house with a roof, indoor plumbing, bug free, and make my wife happy. I don't want to drive too far to work, and it has to be well-suited for offspring. What are the criteria ...
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Are there insects who can or try to avoid colliding with raindrops?

Some insects are very fast. Does this mean that they are capable of finding a way through falling raindrops without getting wet? Probably they don't do that at all, because riding on a bike or in a ...
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1answer
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Can fireflies species be identified with their wavelength?

I was wondering if we could ID male fireflies using their wavelength? A bit like how we use UV light to ID species of scorpions.
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Why doesn't the Tsetse fly wipe out all animal life in its range?

The Tsetse fly, which is native to interior West Africa, carries the protozoan that causes sleeping sickness, a disease which was apparently invariably fatal before the advent of modern medications. ...
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Why the name hypopharynx?

Why the tongue (like structure) in cockroach (or other insects) is called hypopharynx? In humans I know it's the lower part of pharynx, not a structure. Isn't this anatomical name misleading? Are ...
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Why doesn't blood remain on a mosquito's proboscis in quantities that could spread blood-borne diseases?

We know that HIV can't be transmitted by mosquitos, and nor can other highly virulent viruses that are transmitted through blood and bodily fluid exchanges, such as Ebola (thankfully!). Marcus Junius ...
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Can HIV be transmitted via mosquitos?

It is known that HIV is usually transmitted by direct blood or body fluid contact between an infected individual and a healthy person (like blood transfusion or needle sharing): Suppose a mosquito ...
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1answer
84 views

Pink Grasshoppers

The area I found this grasshopper was Canyon Country, California, USA In a desert/field area. I have been reading up on grasshoppers because I recently came into possession of a pink grasshopper (It ...
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1answer
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What do red ants secrete while marching in a line, one after the other?

Red ants often move in a group, and seem to follow a trail one after the other. Once, I rubbed a part of the path along which they were moving and surprisingly found that the successive ants roaming ...
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Do Asian giant hornets (Vespa mandarinia) prey on other nests of Asian giant hornets?

Asian giant hornets are known to attack nests of other bees and wasps, but should they encounter another nest of their own, would they attack it?
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Big Bug from Peru

I'd like to have a name for this guy. There were 5 or 6 of them zipping around the flower bed on the coast of Peru about 120 kms south of Lima.
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I know why phototaxis happens but why did those bees die? [closed]

There is a tube light in front of my veranda. This is just spring. So at night when I turn on the tube light many bees gather around the tube for phototaxis. But in the morning I see many of them are ...
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Do you know what type of insect this is?

I found these in my appartment (we live in a half basement). It's been three so far and I can't find the thing anywhere in insect lists, etc. Could you tell me what type of insect this is?
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What is this strange looking bug?

These bugs are coming out of some wood that I cut and burned in Northern Indiana. I am not sure if it is coming out of a white ash, cherry or oak. We did have the emerald ash boarer come though the ...
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1answer
84 views

What is this animal that hides in dustlike structure?

I'd like help identifying the species of animal in these two photos. There's some dust(or dust-like substance) with something alive inside of it (possibly a larva or I don't really know what to call ...
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How many species of mites live on the human body?

How many known species of mites regularly live on the human body? I've always heard that most people have eyebrow mites. This source mentions 2 species of face mites, Demodex folliculorum and D. ...
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456 views

Why is the species-diversity of deadly parasites greatest in the tropics?

There are so many parasites living in tropical regions of Africa, South America, or Asia, but very few in Europe or North America. Is this due to climate, or are there other reasons? Many of the ...