Pogonomyrmex occidentalis (mn) (English)

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Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 28 feb 2010, 00:42

25 February 2010

Good day,

Yesterday I went to Gent-Sint-Pieters to pick up the colonie. There I received the colonie from Xtof.

A harvesting ant species from North-Amerika, wich lives in the southwest,(Arizona).
The sting of this red-brown coloured ants should be 4 times more painful as the sting of wasp and the pain should persist for 24 houres.

The colonie counts approximately 30 workers, it isn't very easy to count ants in a soil nest.
I have seen 2 larvae, but I guess there are more, deeper in the nest.

The nest is in a round plastic box, wich has a diameter of 8/9cm.
The lid contains a hole coverd with a grid, this is for ventilation.
The subsoil consists of a mix of sand, gravel and lanigera sand.

Yesterday I offered them a Thermobia domestica but they didn't accept it, they didn't even looked at it. Today I tryed offering a cricket, the ants bit off the legs and took them to the nest. The ants drink the amino acid dissolution rather swiftly.

A worker who's exploring the outside world, you can see the offered Thermobia domestica.
Afbeelding

A few pictures from a worker in a test-tube, this way I can take better pictures.
Afbeelding

Afbeelding

Afbeelding

Afbeelding

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Laatst gewijzigd door mn op 28 feb 2010, 12:32, 4 keer totaal gewijzigd.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 28 feb 2010, 00:56

26 february 2010

Today I measured the workers and came to the conclusion that they are around 5mm big.
Afbeelding

Today the ants have also been digging, the outside world was full of piles of sand.
The colonie is very active in the outsid world, I often see about 10 workers running around.
They react very agressive when I open the lid

I can see them running around with their jaws wide open.
They also slip very easy, but that's because they don't have a good grip on plain walls.
When they run against a pile of sand with their heads, you can see that the sand sticks to the head. The worker removes the sand by washing herself

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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 05 mar 2010, 17:34

2 March 2010

Good day,

Today I had a little problem. The workers succeeded in to walk on the condensation to the edge of the plastic box.

Afbeelding

Photos of the outside world.

Afbeelding

Afbeelding

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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 05 mar 2010, 21:01

Some larvae (2-5) and pupae (4-8) are now in the nest. There are also 2 packages with eggs.

Some pictures of the outside activities:

Afbeelding

Afbeelding
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 09 mar 2010, 13:49

So, here an overview of the finished setup

Afbeelding

Afbeelding

An opening for the heatmat cable.
Afbeelding

Their nest in the Isothermal box
Afbeelding

The temperature in the isothermal box has a maximum of 37°c and a minimum of 34°c. without a thermostat.

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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 14 mar 2010, 16:50

Anti-mite prevention, through stick two sided tape on the edge of the plastic box.

Afbeelding
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 20 mar 2010, 15:02

Three workers died, the reason I don't know.
Further it goes wel.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 26 mar 2010, 22:26

Pogonomyrmex by offering a cricket and a Thermobia domestica. By the cricket you also see that the legs bite off by the ants and they take them to the nest.

Afbeelding

Afbeelding

Afbeelding

Afbeelding

I am also worried because what I've changed on the setup. The whole place was evaporated. And I found some drowned workers in the condensation on the lid.

Questions and comments?
Laatst gewijzigd door mn op 01 apr 2010, 19:37, 1 keer totaal gewijzigd.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 01 apr 2010, 19:26

Afbeelding

Some pupae ( Have seen 3 of them ) and eggs are in the nest.

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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 10 apr 2010, 22:57

Excuse me for the late update. I had some problems with my camera.

I think there are more than 8 workers died the last 2 weeks. I'm not sure about this.

A picture of a worker.

Afbeelding

I'm working on a new nest, I hope it wil be done over a couple days.
Laatst gewijzigd door mn op 24 jun 2011, 21:46, 1 keer totaal gewijzigd.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 12 apr 2010, 00:53

So, the new nest, I hope I can move the ants one of the days into the new nest. Size: 40x20x25 (LxWxH).
Afbeelding

Afbeelding

I'm not so sure about the outside world. Maybe I fill it with sand.

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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 15 apr 2010, 23:47

After a few problems with the nest. I decided too re-install te whole nest. (New glassplate, new sand...)
As Anti-outbreak prevention I have take tacl. Normally is it not necessary because the workers cant walk on plastic or glass.

Some pictures of the set-up
Afbeelding

Afbeelding

I have the old outside world overturned in the news outside world (that wasn't my intention...).
But the ants are al okay. I have seen some larvae, pupea, some eggs, and some new workers.

Some of the new workers, count 3 of them.
Afbeelding

Some movies.
A ant digging like a dog :p.






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Laatst gewijzigd door mn op 18 apr 2010, 15:05, 1 keer totaal gewijzigd.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 18 apr 2010, 15:02

the colony does it very good, I see some pupea, larvae and eggs. Also they have dug new tunnels and chambers.

At the top left is a part of the nest collapsed, but no problems so far.
Afbeelding

Some of the pupea, larvea and eggs.
Afbeelding

1/5 of the seeds.
Afbeelding

Worker whit larvea.
Afbeelding

The queen.
Afbeelding

Afbeelding

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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 25 apr 2010, 21:45

The last 4 days I haven't see any workers in the outside world. But there were no problems in the nest.
The workers also have crushed some seeds.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 01 mei 2010, 21:37

Much seeds are crushed, through the seeds there is enough food in the nest, so I think thats the reason of the low activity. I have only see 1-2 workers in the outside world the last days. I also have placed a lamp above the outside world, so it's warmer.

The ants drink the amino acid rather swiftly. Crickets, Thermobia domestica and fruit flies are the only insects I have given them. But through the seeds they didn't accept it.

There are 5-6 pupae, 5-7 big larvae, a 20-25 smal larvae/eggs.

2 pictures, not the best quality...

Some workers with seeds, you see a small larvae and a pupae.
Afbeelding

The size of the nest.
Afbeelding

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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 04 mei 2010, 21:27

A picture of the pupea.
Afbeelding
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 12 mei 2010, 21:44

A picture of the setup.
Afbeelding
The lamp brings the temperature up to 40°c in the outside world. The ants reacts with more activity and they are much faster now.

Some photo's of the brood. There are much larvea, some pupea and eggs.
Afbeelding

Afbeelding

I have made a short video of the nest entrance. You also see the speed of the ants. I like it.


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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 14 mei 2010, 22:44

There are around the 15 to 20 pupae in the nest, some big larvae (5-7). I haven't seen any eggs or small larvae.
Afbeelding

Big activity today, a big cricket and some fruit flies are been eating.
I also like the way they run around the outside world, it is getting finer to see them them busy!

Questions and comments ?
Laatst gewijzigd door mn op 24 jun 2010, 11:18, 1 keer totaal gewijzigd.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 18 mei 2010, 19:34

The colony does it great! There are more than 20 pupea, some larvea, and there are new eggs!

A bad picture of the brood, all in one chamber. You also see that the chamber is made bigger. (In comparison whit the photo of the previous update.)
Afbeelding

Again a bad picture, this time of the nest, sorry for bad quality. I think this is only 50% of the whole nest, the other 50% is in the sand of the outside world. There are also much tunnels in the outside world. But I can't see what is going on there.
Afbeelding

Accidentally I have drop some hamster poop in the outside world of this ants. Apparently they like it!

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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 26 mei 2010, 15:10

Because the central of the nest has been dehydrated, that part was collapsed. No problems so far. But now I can't see anymore what is going on in the nest.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 01 jun 2010, 18:41

Yesterday, I have take a look again. I have seen a 20/30 pupae, larvae and a 10 new workers. This was a fast look, after a couple seconds the nest was again collapsed. I wil try to make new pictures.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 03 jun 2010, 18:33

Some pictures. This are the 2 chambers with brood, and a picture of the queen.

Afbeelding

Afbeelding

Afbeelding

You see the calcification on the window. Thats because I use water with calcium. I want to move them to a new nest. Than I only gonna use water with no calc.

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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 07 jun 2010, 22:03

The new formicarium! It is the same concept Like the formicarium where they are in now, but only bigger. Size is 100 x 30 x 40. (LxHxW).
The place where the nest needs to come, is 2 Centimeters wide, between the glassplate that I just have placed. Maybe later I will add a lampshade.

Afbeelding

Afbeelding

Questions and comments ?
Laatst gewijzigd door mn op 24 jun 2011, 21:54, 1 keer totaal gewijzigd.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 09 jun 2010, 19:40

Yesterday I have added a small glassplate, so there is no movement of the big glassplate anymore. That's safer for the ants and for me. If i haven't do that, the sand wil not be stable anymore. And than there is a risk that the nest will sag and be destroyed. Also It's possible the glassplate will sag.
Afbeelding

Today I have worked farther on the new nest.

This time I added the sand in the nest and the outside world, and I added some grasses.
The soil consists of a mix of sand, gravel and Chinchilla bad-sand.
Afbeelding

Than mix it together.
Afbeelding

Added the first sand in the outside world.
Afbeelding

Than added sand in to the nest.
Afbeelding

And than I added some grasses, if that's oke I will add much more of them.
Afbeelding

Now I only need to make the heatmat and the lampschade.

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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 09 jun 2010, 20:52

Dumdidum and I found this site.

The most dangerous enemies of this ants are lizards and spiders.

See this picture of lizard poop, you see al the dead ants:
Afbeelding

A jumping spider catch a Pogonomyrex sp. male.
Afbeelding

Pictures are from that site.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 17 jun 2010, 14:19

There is almost no activity in the outside world, I don't now what's the reason. There are around the 40 pupae and larvae, also a couple eggs.
Laatst gewijzigd door mn op 23 jun 2010, 16:26, 1 keer totaal gewijzigd.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 19 jun 2010, 13:29

Afbeelding
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 23 jun 2010, 16:42

Some seeds in the nest are started to germinate:
Afbeelding

I also think that the ant can't see red light. I think that because they covered the glas with sand, and the light that comes true the sand gets red, and thats no problem for the ants, others they put more sand on it, so there comes no light true it.
Afbeelding

A picture of the nest:
Afbeelding

And a picture of some pupae:
Afbeelding

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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 30 jun 2010, 23:35

The colony is going wel! There are more and more ants active in the outside world.
I give flies and small crickets, they start with accepting it. There are mostly 15 ants active if there is food.

I think the reason that they are back active is that there now is a lamp that lights the whole place, and not only the outside world.
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Re: Pogonomyrmex occidentalis (mn) (English)

Berichtdoor mn » 10 jul 2010, 16:54

Good day,

The colony is going great! There always up to 15 workers active, and when I feed them there are sometimes up to 30 workers active.

Today some video's of the outside activity's. You also see that the ants lay the gravel around the nest entrance.




I have give them a thermobia domestica:


And some ants with a cricket:


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