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Questions tagged [ant]

Ants are social insects in the family Formicidae, a member of the Hymenoptera, which also includes the wasps and bees.

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3 answers
377 views

What type of ants are these?

I live in NYC and these fellas started popping out near my computer screen and desk. They don't seem interested in food as my sister usually leaves candy wrappers around. They however are stinky, I ...
1 vote
0 answers
25 views

Do ants and termites form standoff lineups?

Someone sent me this video. It has a description: A Termine line (top) and an Ant line (bottom), each protected by its column of soldiers who face each other without attacking. Here is a screenshot ...
1 vote
1 answer
93 views

Is this also a carpenter ant?

I live in Dayton, Ohio. I've found large-ish ants in my kitchen, and I'm wondering if they're carpenter ants. I realize there's been a few questions about carpenter ant identification, but in my ...
1 vote
3 answers
280 views

Queen ant identification

I'm planning to start an artificial ant nest and I'd like to learn something about this specific species of ant that I captured in central Colorado. Could you tell what kind of queen is that? Is ...
10 votes
2 answers
977 views

Why do ants dig surface paths?

A few days ago I observed a corridor built and used by ants that went over a path in fields: Why do they build it? It seems it doesn't bring any considerable protection from the surrounding ...
10 votes
2 answers
4k views

Are these images of carpenter ants?

When I searched carpenter ant in Google, this looks kind of like some of the images. Some other images show reddish or winged ants and I have not seen any of those. I've seen 3 or 4 of these big ...
4 votes
0 answers
177 views

How do ants get oxygen in deep colonies?

With ant colonies getting to be +7 feet deep, how does oxygen renew that deep for their respiration demand?
2 votes
1 answer
211 views

Do Pharaoh ants eat sealant?

My high-rise apartment has had pharaoh ants for the past 3 years (maybe more). It is being handled by a pest control company. I am not looking for countermeasures. One of the countermeasures advised ...
1 vote
2 answers
214 views

What is it about bleach that keeps Pharaoh ants away even after drying?

My apartment high-rise has been afflicted with ants in the past few years. The pest control technician says that it has become a common problem due to warming weather. Various things have been tried,...
42 votes
1 answer
17k views

Why do ants live so long?

I was surprised to learn that worker ants in some species live many years. I would have expected a lifespan of a few weeks or months (which is apparently the case for many species). What factors ...
7 votes
1 answer
324 views

Would a stray ant re-home into a foreign colony (of the same kind) and will the colony accept an alien ant?

Let's say an ant got into my pocket as I was sitting in the park today. At home, I shook off my coat and the ant fell out and scurried out to my garden, which has ant colonies of the same kind. ...
0 votes
0 answers
22 views

How to mark nest area in double bridge experiment?

In my setup, I am lacking a nest. I'd need some way of telling the ants to bring food back to a first container, instead of just accumulating at the food source.
1 vote
0 answers
26 views

Habitat requirements of black ant Lasius niger

Does anyone know of any published information on the maximum slope angle and/or minimum soil depth on which the black ant Lasius niger will build its nests? I have read that they won't nest on "a ...
3 votes
0 answers
127 views

Ants carrying metal scew

Today I saw a few ants carrying a metal screw with them. Video What might be the reason behind this? (nesting material?)
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82 views

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 ...
1 vote
1 answer
564 views

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 ...
1 vote
0 answers
45 views

Help identifying this Queen Ant

Could someone please help us identify this queen ant ? We live in the North Island of New Zealand. So far our google image searches haven’t found a match. Any help would be appreciated.
0 votes
1 answer
36 views

Exploring speed of ants

I'm working on developing a model of ant foraging. To do this, I have simulated food morsels distributed randomly within an area, with the minimum distance between morsels being variable. I'm trying ...
1 vote
2 answers
10k views

Do ants have a "stay away" signal?

Last night I discovered many ants entering my house through a window with an imperfect seal. I placed a poison ant bait on the window sill and within seconds they were feasting on it. This morning I ...
13 votes
2 answers
7k views

How do ants sense imminent rainfall?

I have always been told to watch to see if ant-hole mounds are built up as a sign of imminent rainfall. My questions are, if what I have always been told is true, then by what mechanism do ants '...
0 votes
3 answers
12k views

Larger Ant in trail

Today I left a spoon on my sink that accidentally still had some honey in it, and a while later I had a huge line of ants trailing in to get it. Before doing anything about it, I observed the ants' ...
2 votes
0 answers
76 views

Can ants distinguish individual ants in the colony?

I am aware that ants have the ability to distinguish which female is the queen and which ones aren't. However, can ants also uniquely distinguish other individual ants in the colony? Is the ...
3 votes
0 answers
658 views

What changes do ants make to the soil they use for building ant hills

I live in South India ,and among the many species of ants in and around our house, some of them except the weaver ants build the typical small ant hills in the garden. I have examined the coarse sand ...
3 votes
1 answer
107 views

Do ants know the direct (approximately shortest) path to their nest from the food morsel?

I've been studying a bit on the foraging habits of ants, and one of the things I'm not clear on is whether ants know the shortest path from the food that they find to their nest. I understand that ...
3 votes
1 answer
470 views

What are the ants underneath leafs in my garden doing?

So a few days ago I spotted a couple of ants underneath some leafs of a major branch of a tree in my garden. Yesterday I had the impression the amount of leafs being occupied by ants has increased a ...
1 vote
0 answers
67 views

Can you identify these ants?

I think they could be carpenter ants, but not sure.
35 votes
1 answer
1k views

Can someone identify this ant?

This is one of seven ant queens I just collected yesterday morning (2015-09-21 9AM) around home. I live in Hong Kong, at a hillside facing south. The weather was as follows (Hong Kong Observatory ...
4 votes
0 answers
29 views

Why do ants raid the house in summer when it is hot, but in cooler months they don't come in?

Over summer the ants invade our house, including our kitchen. In winter and the shoulder seasons they are not to be seen. I can think of a number of possible reasons for this, including: they are ...
5 votes
1 answer
190 views

The emergence of Phengaris butterflies from ant nests

The butterflies of the Phengaris genus (also known as Maculinea) are known to be brood parasitic. During the fourth instar, the caterpillars leave their food plant and mimic ant larvae, causing the ...
5 votes
1 answer
367 views

Can ants learn things?

I have an ant nest in a jar. Whenever I want to observe them, I have to remove the cover and therefore put them in light - that scares them. They also can see shadow cast by myself. I often throw in ...
8 votes
1 answer
2k views

What happens to an ant colony when the queen dies?

Does the colony collapse? Do workers keep following the last orders? Or can future queens replace the dead one? I'm guessing this might also depend on each specific sub-species.
4 votes
1 answer
212 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 ...
7 votes
3 answers
4k views

Why don't all ants have wings?

Since the new queens-to-be have wings, it means that ants either evolved from insects that can fly, or insects that can fly evolved from ants, or that we have a case of parallel evolution (which is ...
4 votes
1 answer
177 views

How do parasites "reprogram" brains?

Dicrocoelium dendriticum is a parasite that uses ants as a second intermediate host (which means that ants aren't its primary host/target, but are rather a temporary host to help reach their main/...
9 votes
2 answers
8k views

Do ants feel pain?

I have watched video on youtube where guy pours molten aluminium into fire ant colony to make casing. In the comments below there's huge discussion on is that a right thing to do. I am on the side ...
0 votes
1 answer
168 views

Can foraging worker ants become queens?

The TL;DR is in the subject line. The back story is as follows: I am combating ants in my high-rise apartment unit. One piece of online advice was to vacuum regularly, and pay attention to edges of ...
0 votes
1 answer
56 views

How big can a colony/society get?

I hope this is the appropiate place for this question, asked from a math/physics perspective with little to no training in biology. Bacteria are very small and live in huge colonies, ants are bigger (...
1 vote
1 answer
237 views

Species identification: 2.5mm (3/32" or 1.5/8") brownish ant in highrise apartment

Can anyone please identify this ant? In case it helps, 3 attempts of using Ortho Ant Bgon Max gel and bait has not helped. They 2 were administered 2 weeks apart. Apparently, it's basically borax ...
4 votes
0 answers
72 views

Why do some ant workers still wander at night?

As far as I have seen, the vast majority of workers in colonies of diurnal, non-nomadic species return to their nests and remain there at night. The colonies seem to forage largely during the day. ...
1 vote
2 answers
589 views

How do polygyne Carebara affinis or C. diversus (a.k.a. Pheidologeton affinis and P. diversus) colonies work?

I live in Hong Kong. Typhoon Hato hit yesterday and a whole bunch of Carebara queens decided to take their nuptial flight. I caught close to 20 of them within 15 minutes. I'm pretty sure they are ...
2 votes
0 answers
146 views

What are the various parts of an ant hill

How can I identify the parts of an ant hill structure from a casting? Specifically, if there is no real commonality between species, I would like to identify the various parts of a fire ant mound in ...
2 votes
0 answers
38 views

How to get ants/termites to attack

I am working on ant resistant coatings that are meant to make a material resistant to ants or chewing through them. The question is - how do I get ants to attack the material? I have considered ...
2 votes
0 answers
56 views

Will daily sweeped ants eventually learn their path is a dead-end?

An ant colony (likely Lasius niger) made its way through one of our rooms, literally. That is, they enter by a door and leave by the other, and vice versa. Some carry eggs, but in both ways, so I'm ...
2 votes
1 answer
9k views

How do ants transport water?

All living things need water to survive. Worker ants can drink directly from the source. But a queen ant would need help from the colony to get its daily supply of food and water. I have seen ants ...
3 votes
1 answer
78 views

Can someone help me identify this queen ant?

I found this queen ant near a river on the 14 july in Braga-Portugal, it was on a river bank, and it measures around 8 mm. Can someone help me identifying the species? thank you for your time :)
1 vote
1 answer
101 views

identify this ant queen

can anyone help me identify this ant queen, if it's an ant queen? I only assume it is because I caught another with wings which looks exactly the same. Thanks in advance..
5 votes
1 answer
2k views

Why does ant queen keep the eggs out of her hive?

I have captured an ant queen and now I'm trying to create an artificial ant nest. I have noticed that though she has dug a hole to hide in, she keeps the eggs out of it unless she feels that they ...
3 votes
1 answer
336 views

Do Ants have a sense of Direction?

Do ants understand which way is up or down? Could they differentiate between uphill and downhill?
2 votes
2 answers
2k views

Can I identify this black ant queen?

I have an ant queen in a jar. This is what she looks like: Because I'm planning to start an artificial ant nest, I'd like to learn something about that specific species of ant. This particular queen ...
4 votes
3 answers
7k views

Is there a durable surface that ants can't pass?

I'm looking for a surface, that will be impassable for ant's yet not poisonous or easily decaying. One idea is water - they really can't cross that. But water easily dries and is quite uncomfortable. ...