The scientific study of insects.

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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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Can galls be formed from mutualistic relationships?

According to Wikipedia, galls (cecidia) are formed by parasitic insects and mites like gall wasps (Neuroterus albipes). At some metamorphic stage, these organisms alter cell division processes in ...
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Wasp ID(in Ohio)? [closed]

It wasn't much longer than a worker honeybee (possibly the size of a drone or a virgin queen). It had a thin waist and reddish wings. The pattern was very much like that of a yellow jacket (I could ...
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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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Do ants use something similar to the honey bee “waggle dance” to instruct the rest of the colony where to find a food source?

In the 20 years since we built our home, we've just recently had our first ant infestation. I'm familiar with the fact that ants leave scent trails to find their way back and forth between the ...
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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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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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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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214 views

How do burrowing animals get enough oxygen?

Tree borers make a small hole in a tree. At the end of it, they chew on wood to elongate the tunnel. They digest food and grow. All this takes oxygen. The entrance to the tunnel is generally small. ...
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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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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 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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59 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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35 views

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 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.
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Can anyone identify this caterpillar?

Can anyone identify this caterpillar we found on a cauliflower? This was the only photo we could get of it. Location : Ceres, Fife, Scotland
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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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483 views

What modern insects are not (flying OR descended from flying ancestors)?

What modern insects are not flying or descended from flying ancestors? (I read somewhere that 99% are, so of course I instantly became curious which aren't. xD ) EDIT: Sorry, I should have been ...
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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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139 views

What is the scientific and common name of this bug?

Captured this under my stereo microscope. Much beautiful than appearing on my camera sensor. Can someone help me identify it and explore more? Also is it having a compound eye ? Location: New ...
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533 views

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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876 views

Species ID: Cape Town mystery insect

This insect bumbled into my bedroom last night - can someone ID it for me? I'm mainly curious because I'd like to know if it poses any danger to my cats (who were very eager to add it to the menu). ...
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What is this sand covered insect?

I have found in a wooden house, in the mountains of central Spain this very curious insect: I was wondering if that was its skin or whether it's decomposition or sand or saw-dust. That particular ...
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Help in identifying an insect

My cat has been messing with that insects. It looked quite unusual. Anybody here can help me identify it, so I can make sure it's not dangerous? thanks
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Questions about insects eating flour and living in the cracks of a wooden cutting boards

I have a large wooden cutting board which is used in my kitchen mainly for preparing egg pasta. The wood type is Populus (poplar or aspen or cottonwood). The main ingredients used with the cutting ...
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140 views

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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805 views

What dragonfly is this?

I photographed a dragonfly but can't really identify the species using http://www.libellen.tv/. Are there any other resources I could use? The pictures were taken in early June, around 11:00 next to ...
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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 other cognitive behaviors in bees, outside of navigation, are affect by neonicotinoids

It is conclusive that neonicotinoids alter navigation in bees when locating food sources. http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0091364 But if so, shouldn't cognition also ...
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53 views

How large might a paper wasp nest become?

About two weeks ago I noticed a new wasp nest in my back yard. I generally leave them as long as they aren't interfering with anything, but this nest has suddenly grown quite large and they are ...
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75 views

Blood clumping in mosquitos

Will a mosquito die due to blood clumping if it sucks blood from two persons having different blood group? What will happen in its gut? Is there any mechanism to avoid clumping ? Or mosquitos know ...
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69 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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Identification of an insect from midwest US

I have been seeing them more and more frequently indoors. I am currently in the Midwest United States, weather has been unusually warm for December, and there are many trees nearby. Can someone ...
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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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35 views

Question regarding research project on indigenous ants during Eastern European winter

I am by no means biologist (I'm a programmer), but I want to make an experiment that involve the participation of ants. So please excuse my ignorance on the subject and my potentially uninformed ...
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1answer
450 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 ...
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69 views

Can soap kill cockroaches and/or ants? If so, how? [duplicate]

Is it possible to use dishwashing soap as an alternative insecticide? How would that and what are the components of the dishwashing soap that would kill the insect?
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79 views

Why do Phobia exist if they aren't advantageous?

A phobia is usually the irrational fear of something, and the individual experiencing it is often unable to justify whether there is such detestation of something which might not even be threatening. ...
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What kind of bug/insect is this? photo attached

This morning (a few hours after sunrise) I saw this insect running over the blanket. I'm thinking what it is, if it's a bed bug that missed feeding time and is out of schedule (as i thought that they ...
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Are there water conservation methods that increase waste instead of reduce it? [closed]

For example, does improperly washing clothes lead to mosquito increases or other-organism morbidity? Does using dish water on the garden attribute to clean water more or more wasted water (is it ...
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Are these lovebugs?

I used to see these insects frequently in Chennai and Bangalore (South India). I just would like to know if this is a kind of lovebug. The lovebug as mentioned in the Wikipedia page is, however, ...
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What, if any, experimental evidence is there that flies rub their legs together in order to clean them? [duplicate]

Everybody's seen a fly rubbing its hands together like Mr Burns. And almost everybody's heard the standard explanation - that it's cleaning itself. Now, this is certainly a very plausible explanation, ...
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49 views

Can anyone identify these moths?

Here are two lepidopterans I collected in Oregon (USA). The wingspan of the bigger one (on the left) is ~4 cm. I spent a lot of time browsing this website hoping to find a match, but I didn't have ...
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92 views

Why do mammals produce more carbon dioxide than insects?

I understand that mammals produce more carbon dioxide than insects on a gram per gram basis, but why is that? I'm thinking it might be because mammals are warm-blooded, which require more energy ...
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76 views

What causes the opaque green colour in Lepidoptera?

Link here to what I mean by 'opaque' colouration on the insect, the colour intensity remains constant despite changes in light intensity and angle (not shown by the picture but the moth exhibits this ...
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3answers
1k views

Why does a cockroach not die even after decapitation?

Why does a cockroach not die after its head is cut off?
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64 views

Identify this large (swamp) fly?

Can anyone identify this large fly? I encountered it in Okefenokee Swamp (Georgia, U.S.A.) on May 1, 2015. Weather: 53-78°F (avg. 66°F), avg humidity = 60, dew point = 47°F. The fly was about the ...
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171 views

Small insect identification

I live in Chapel Hill, North Carolina, and recently started seeing a bunch of these little guys in my house. They're about 1/8" long (estimate), with brown/black zigzag stripes; it's possible they're ...