The scientific study of insects.

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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 ...
74
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2answers
9k views

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 ...
3
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1answer
86 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
41 views

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 ...
5
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0answers
41 views

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?
11
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1answer
557 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.
3
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33 views

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 ...
4
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2answers
97 views

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?
9
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1answer
191 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 ...
3
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1answer
87 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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0answers
25 views

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. ...
14
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1answer
460 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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1answer
97 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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1answer
76 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?
7
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1answer
107 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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0answers
19 views

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 ...
3
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0answers
22 views

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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3answers
1k views

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, ...
3
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1answer
51 views

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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0answers
103 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 ...
4
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1answer
81 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 ...
4
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1answer
67 views

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 ...
5
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1answer
99 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 ...
3
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1answer
286 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 ...
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0answers
40 views

Life after decapitation? [duplicate]

I saw a video where an ant lost its head and was still walking for some time. If this is possible for an arthropod, what keeps it from working with a vertebrate? (Humans, especially)
9
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2answers
512 views

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 ...
2
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1answer
60 views

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 ...
5
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1answer
93 views

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 ...
8
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2answers
122 views

What are these two fruit flies doing?

When taking some pictures I accidentally captured two fruit flies doing this: The photos are unfortunately blurry, but from what I can tell, one fly approaches the other from behind, and something ...
17
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1answer
251 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. ...
2
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0answers
74 views

What are two butterflies doing when they fly together, 'hitting' each other?

I've Googled this subject extensively but couldn't get an answer: My country is full of butterflies and moths, I've seen a lot of butterflies performing what looks like some kind of fight or mating ...
1
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1answer
37 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 ...
3
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1answer
52 views

How to best conserve a beetle inside a jar?

Few days ago a giant beetle appeared on my house. Well, it's dead now. Since it attracted some attention from my little girl, I'd like to preserve it inside some jar. What's the best way to do it? ...
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117 views

small cocooned caterpillar found on bathroom door - what is this creature?

This larvae / moth has what seems to be a smooth gray cocoon which looks like a piece of cement. It can carry this cocoon with it as it crawls, and it can come out from both ends of this cocoon. Would ...
5
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1answer
57 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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0answers
92 views

What kind of spider is this and is it dangerous?

Found this spider on my couch the other day in Steubenville, Ohio. The spider is about 2.5cm to 4cm long.
5
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1answer
55 views

Could someone please identify this species?

I have come across these insects a lot more lately, as far as I can tell, they can sustain a hover state in flight. I'm actually quite interested to know what these are, seeing they look like a cross ...
5
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1answer
41 views

What is the name of this moth found in Virginia USA?

Found in Virginia, USA on Nov 1 2015, 10:34 AM.
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How do furniture beetle larvae drink?

I have read that the furniture beetle (Anobium punctatum) has larva that will burrow for three to four years in wood before emerging and pupating. How do they obtain water during that time if they are ...
9
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1answer
361 views

Why black and yellow indicates danger?

It is a pretty well-known fact that combination of black and yellow indicates danger or poisonousness. In western society it seems obvious this comes from bees and wasps, but the look to the ...
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0answers
17 views

Argentine Ant Trails

What is the maximum distance for an argentine ant (Linepithema humile) trail? I imagine that there is some point where the ants are unable to make the return trip either through exhaustion or from ...
2
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1answer
87 views

Identification of a moth

It is from Bangladesh. Is it hawk moth? I am not sure. Please help.
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0answers
59 views

Hemiptera sp. nymph?

Hemiptera sp. nymph? Which species is this Hemiptera nymph? Thank you!
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0answers
53 views

Hemiptera sp preimago?

Which species of Hemiptera is this preimago, seen in 2015 in Rome?
5
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1answer
213 views

Insect ID, Maharashtra, India

could someone please identify this insect? This photograph was taken in the Western Ghats of Maharashtra, India, near the town of Mahabaleshwar. Hemiptera was about as far as I could get using other ...
10
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1answer
457 views

Insect identification, Chennai, India

could someone tell me what the name of this beautiful insect is? Location: Chennai, India. Thank you!
2
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0answers
109 views

Identification of an insect found in South India? [closed]

What is the name of this insect? I Found this creature in the night time. I removed old image & updated my image of same insect. Place: South India Time: Morning
9
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1answer
946 views

Do mantises stalk cicadas?

The Chinese Idiom The mantis stalks the cicada, unaware of the oriole behind (螳螂捕蝉,黄雀在后), which the story behind the idiom comes from Shuo Yuan(说苑), refers to those who are attracted by immediate ...
2
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2answers
62 views

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
5
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2answers
1k views

Why do adult insects have 6 legs?

Apparently, there is an advantage to having 6 legs in the insect world. What is that advantage, if anything? Why would such an advantage exist for insects, but not for other, larger land animals? ...