The scientific study of insects.

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What insect is this? (Black body two orange lines in its back and six legs)

I found this today in the library while studying. I am very curious to know whether this particular insect has a name that I can look up and find more information about: Full length is almost one ...
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102 views

Method to recognize the age of a firebug from the pattern on its back

Can I recognize the age of a firebug from the pattern on its back? If yes, what pattern shows what age/stage? Below is what I extrapolated from Wikipedia, but is there a more precise scale with more ...
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133 views

Which part of a female mantises's DNA causes her to be a few times larger than a male mantis?

Which part of a female mantises's DNA causes her to be a few times larger than a male mantis? Do other species have that part of DNA?
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255 views

Will the increase in atmospheric carbon dioxide lead to larger insects?

From my understanding, the increase in atmospheric carbon dioxide will also increase oxygen levels. That makes me wonder if in the near future insects will grow larger than they are today, since their ...
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132 views

Identification of this fly?

So I find these flies every year in my mulch, and I've never seen them anywhere else. The mulch becomes full of their larvae, which I feed to my toad and lizards. There are so many that you can hear ...
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57 views

Do ant pheromones indicate the direction to go?

I know that ants communicate with pheromones but I am wondering if these pheromones can indicate in which direction to go. For example the ants leave pheromones to indicate a food source and when they ...
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3answers
13k views

Small worm living in some kind of cocoon, what are these animals?

I am curious what animal is this. It is/lives inside some kind of cocoon, about 1 cm in length. They are attached to walls and to the ceiling, but sometimes they fall off. Inside the structure there ...
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42 views

Cicada Killer Behavior

I've had a giant wasp hanging around outside my window the past few days, so I've resolved to learn more about it. I believe it is a male Cicada Killer, because it displays the following behavior: ...
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26 views

Why do insectivorous birds migrate?

Living in northern latitudes, I have always wondered why do migratory birds invest so much time and energy to travel twice a year the vast distances between their breeding grounds and wintering areas. ...
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65 views

Attachment of muscles during molting in insects

Normally, insects' muscles are attached to their exoskeleton but what happens to this attachment when they are moulting? Sorry if this is an extremely silly question but I have wondered about it for ...
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2answers
301 views

Identification of an Insect (Hemiptera)

I found a a few of these guys on my composter, so they could have easily been eating bugs or decaying organics (or both): To me it looks like a stink bug with oversized legs, not like the ones I'm ...
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Does a presence of ants on a plant mean that the plant has been infested by aphids?

Ants protect aphids from their predators (such as ladybirds): Aphids and other hemipteran insects secrete a sweet liquid called honeydew, when they feed on plant sap. The sugars in honeydew are a ...
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131 views

How far can ants travel from their nest? [closed]

I live in a top floor apartment and we are being invaded by black garden ants. I can only follow their trail outside so far and have no idea where their nest is. How far do ants travel from their ...
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244 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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96 views

Why insects are so small compared to mammals?

I was wondering what biological limitations make the dimension of the insects small compared to the dimension of the mammals. I know in other eras insect were bigger!
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2answers
137 views

What insect is in this photo?

Found in Russia, in the kitchen. It is about 1–2 cm length.
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100 views

What insect is this..?

Can anyone tell me what kind of insect (if it is one) is this...!! Or is it the pupa of some insect? Well I don't think that the whole big thing is the insect itself, it appears to be just a kind of ...
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125 views

Bee (?) identification

I live in Michigan. I just saw a bee that I think I've seen before, but only this time was I so struck by its uniqueness and - for lack of a better word - scariness. I'll describe it. It was ...
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119 views

What kind of insect is this?

Found in Russia in the kitchen. It is about 3 mm long.
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207 views

What is this insect?

These photographs were taken today in Marseille, in the Mediterranean coast of France. My French friends inform me that these beasties are called cousins because they are "cousins" of mosquitoes ...
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58 views

Where do butterflies sleep?

Do butterflies (insects) sleep, and if so, where?? I have googled for information but didn't get an exact answer.
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66 views

Do insects respond to the detection of dead insects?

Are there insects that change their behavior upon detecting the nearby presence of other dead insects? If there are, can you provide an example?
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95 views

What in the world is this critter?

We spotted this thing crawling around a (thankfully empty) bowl in our apartment in Barcelona, Spain. I have never seen anything like it. It appears to be some kind of caterpillar-like insect, but it ...
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1answer
46 views

What is this black insect (wasp-like?) South America?

I live in the Pacific coast of South America. Seems to have two wings, like a wasp's. The "tail" is a bit bulky but is only connected to the rest of the body by a thin part. It's black overall. The ...
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89 views

What happens during metamorphosis?

We were studying butterflies in class and I asked my 7th grade teacher, but she deemed the concept "too complicated." I'm really curious now, not only about butterflies but insects in general... ...
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71 views

Do cockroaches eat their shells after moulting?

I recently witnessed a cockroach eat its shell after it moulted. Do cockroaches always do this?
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33 views

Do flies actually take off backwards?

I've been told that flies take off backwards, but I haven't really been able to prove it to myself. The closest I've gotten was noticing that they fly into window glass back-first, with their heads ...
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2answers
57 views

translation of scientific names [closed]

I am trying to determine the "translated" meanings (not seeking the common names) of different insects, (presently some bees and wasps). Does anyone know of a printed or internet resource that ...
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100 views

What are the visual, behavioral similarities and differences between Yellow Fever Mosquito (Aedes aegypti) and the Tiger Mosquito (Aedes albopictus)?

The Tiger and Yellow Fever Mosquito visually look very similar. Recognizing the difference is important for tracking and controlling the spread of Yellow Fever, Dengue fever and other diseases. ...
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What is the scientific name of this butterfly?

I have this butterfly but I don't know its scientific name. I think that it's a common butterfly which can be seen everywhere (btw, I'm in Taiwan.) Thanks for your help :D
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Do bees make honey from fallen fruit?

I know bees make honey from nectar, and I know they drink the juice of fallen fruit, but do they actually make honey from fruit, or do they only eat from it for themselves?
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what would be the total number of pleura in the exoskeleton of cockroach

basically as far as i know cockroach consists of 10 terga and 9 sterna but what are the total number of pleura present in the cockroach pleura are situated between tergum and sternum of a body ...
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27 views

How has the use and subsequent ban of DDT affected insect populations?

Living in Australia there were less ticks for example during the use of DDT, now there are more ticks prevalent here. I am wondering if any insect species have declined permanently as the result of ...
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2answers
162 views

Is it true that bees and wasps don't sting if struck by hand while they are in flight?

Is it true that wasps don't sting if struck by hand while flying? I know of one person who claims to have done this at least 20 times and has never been stung. And out of curiosity (not that I'd want ...
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79 views

What type of insect is this?

ery bug 1]1 What insect are these? Found them indoors. No wings, just crawling on the walls.
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211 views

What flying insect is this?

Found in Russia. Approx. 7 cm.
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69 views

What species of butterfly is this?

This big fellow came to visit my kitchen (in Hong Kong) a bit earlier. It is brown with some longitudinal white stripes, banana/boomerang-shaped patterns towards the middle, and an eye-like marking on ...
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69 views

Can ant colonies have two “branches”?

Could an ant colony have 2 or more "branches" located far from each other (i.e. physically separated but interconnected nests) ? If so, how far is the limit?
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74 views

Identification of this insect?

I noticed several of these guys outside, all in a vertical position clinging to a wall. I didn't come to them too closely, but my immediate reaction was that they are scorpions. I thought that ...
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261 views

How many honeybees are there, and how has the number changed across time?

How would you begin to estimate the world population of the European Honeybee (Apis mellifera)? Would recent colony collapse disorder show up as a blip? How about the spread of A. mellifera from ...
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922 views

Does cockroach lay eggs in human flesh when they “bite”?

Recently, i have "bite" by cockroach, not only the "bitten" area red and swallowing, and more specificly, it have a big hole in that area, when i clean it with hydrogen peroxide solution, something is ...
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156 views

How do ants spontaneously grow wings?

On hot summer nights we get flocks of ants that have grown wings (from what I know to migrate nests). It appears the wings are not permanent, but are grown for a temporary purpose. From what I ...
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2answers
166 views

Eusociality and Natural selection?

Eusociality, particularly focusing on the presence of certain altruistic sterile organisms within the social set-up creates questions as to why would the process of natural selection have favoured the ...
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141 views

What insect is this?

I found it in Russia. Where they usually live? What they eat? Full length is approximately 2 cm.
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1answer
35 views

Can an insect poison itself with food?

Is it possible that an insect poisons itself while eating "wrong" plants/fruits/... and have symptoms like pain (may hard to measure or detect) or orientation disorder? Background: I observed a ...
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1answer
39 views

How far do 2 ant colonies of same heritage have to be in space (and generation) in order to fight?

(Kinda follow-up to this.…) I've heard before that if you put 2 ant colonies side by side they're going to attack each other. But then from the previous question, there could be "sister" ant ...
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30 views

Is this ladybird larva secreting a protective fluid?

I know that adult ladybird beetles can secrete a fluid to keep predators from eating them. Can the larvae do that too? Or are these yellow droplets something else?
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32 views

Where do flies go?

Where are flies attracted most? Apart from food odours, of course. Why do they seem to be attracted by hot and humid places? Do they prefer shades or light? Why do they tend to get inside very easily? ...
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35 views

Can insects feel pain?

Insects do have a nervous system, even if it isn't nearly as complex as that of other animals. Can insects or other arthropods sense pain? Does their aversion to harmful stimuli suggest that they can ...
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35 views

Molting in arthropods

Do all the arthropods molt ? Which ones do not molt ? Why don't they need to molt ? I tried googling this - but did not get satisfactory answers.