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Ant mad: Re: letting ants go in garden (2. Jan 2009 00:41)

that is true but i was just quoting another thread but there again there is always that small chance that there may be something.

tail__: Re: letting ants go in garden (2. Jan 2009 11:01)

Don't be paranoid, zillions of various insects are imported to every country every day, and nobody can control this. Until they aren't exotic invasive species this is nothing to worry about.

Necturus: Re: letting ants go in garden (2. Jan 2009 11:12)

Hey everyone,
BIG NO! do NOT set the ants free in your garden! They are not from around your place, so they carry genetic adaptions to their original habitat. If they would mix with your population, they would weaken the adaptions of the local population. Its called "intraspecific Homogenisation" and needs to be avoided!

Other then that, law prohibits the release of formerly kept animals, to prevent spread of diseases and parasites.

The only option for these ants is to pass them on to someone else or to kill the colony with boiling water. Sorry, but you wouldnt help your enviroment by setting them free.

Ive often read this question on the english part of the forum, only very few here seem to be aware of this problem. If the question comes up again, please remember this thread and pass it on, so this important part of responsible antkeeping can be spread.
Necturus

gabranth: Re: letting ants go in garden (2. Jan 2009 11:53)

laws prohibit the release of non-native animals lasius niger is native to the uk so not against the law

Necturus: Re: letting ants go in garden (2. Jan 2009 13:38)

Hey gabranth,
not sure about british laws. In germany, your not allowed to set them free, for the reason that they might be introducing diseases or parasites from the former keeper. Ill have to look this up again...

However, intraspecific homogenisation is a valid reason to not set free ant colonies bought from shops or other keepers (unless they live in the immediate surrounding) and should suffice to reach the keepers mind, even without laws to enforce it.
Necturus

gabranth: Re: letting ants go in garden (2. Jan 2009 14:02)

i don't think intraspecific homogenisation would apply to lasius niger there the same species if you were releasing Messor barbarus in a area were there were Messor hesperius and no barbarus and they started breeding with each other then it would be a problem

tail__: Re: letting ants go in garden (2. Jan 2009 14:03)

kill the colony with boiling water.

Oh boy. I'm really becoming afraid of environmental fundamentalism. Maybe we should also execute every foreigners trying to cross our borders, just in case. Or at least shave their hair carefully, to ensure they don't carry non-native lice. I wonder if the author knows how many insects are imported with plants. And in millions of crates with various imported goods. Not even counting these dispersing by natural methods, like with strong winds or floating in pieces of wood (somehow insects settled even on very remote islands way before human era). Whatever problems the invasive species can make, none of them was ever caused by insect keepers (with one notable exception - africanized honey bee in America. But this surely was introducing exotic species.)

gabranth: Re: letting ants go in garden (2. Jan 2009 14:31)

Maybe we should also execute every foreigners trying to cross our borders




/signed :D

Necturus: Re: letting ants go in garden (2. Jan 2009 15:22)

i don't think intraspecific homogenisation would apply to L asius niger there the same species if you were releasing Messor barbarus in a area were there were Messor hesperius and no barbarus and they started breeding with each other then it would be a problem

INTRAspecific homogenisation refers to the genetic homogenisation WITHIN a species. Usually, a species is seperated from others by their ability to create fertile offspring with a mate. So by definition (not by nature, which is a bit ungratefull with taxonomists at times) species do not mix - yet theres a lot of hybrids within ants, too. Anyways...as mentioned before, every population has adaptions to their very local environment (which does differ even when looking at a relatively small distance, ie germany and england.) Assume that english populations are adapted to ie. deeper temperatures during winter, unlike their german counterparts. Where they to mix during seasons of temperate or normal winters, a sudden "deep" winter (by english standards) could kill all colonys carrying genetics from the "german" colony. Just a fictional example, but this is how the gene thing works.

kill the colony with boiling water.
...I'm really becoming afraid of environmental fundamentalism...(

Its a better and more responsible choice then to set them free, not a more desireable. I would be glad if he was to find someone to take the colony of his hands. By the way, you might want to try and sell them back to the store, although the "value" of this colony might be lower then shipment cost. Obviously killing the colony is an extreme, but would you propagate to set them free? Between these positive and negative extremes, do you see any intermediates? Only option to me is to anticipate this situation from the beginning...

...I wonder if the author knows how many insects are imported with plants... Whatever problems the invasive species can make, none of them was ever caused by insect keepers...

We're getting off track here, as i was refering to a completely different topic - intraspecific homogenisation deserves to be at least mentioned on the english forum as well, even if argumented against so emotionaly (why is that by the way? just stating a measurable fact... do you feel any of your rights threatend by reasonable argumentation?) But for the sake of it:
How can you be certain that no escaped insects have long established a population? And even if none did so far, how certain can you be that it wont happen? I do well understand your convinced of it, but can you really rule it out? And since you do seem to be aware of the problems associated with invasive species, why risk making a bad thing worse?

Maybe we should also execute every foreigners trying to cross our borders
That one kinda missed the point, eh?

On a personal note... if stating these simple facts makes me an "fundamentalist" of any kind, what does that make you and your way of argumentation?

gabranth: Re: letting ants go in garden (2. Jan 2009 15:44)

every population has adaptions to their very local environment (which does differ even when looking at a relatively small distance, ie germany and england.) Assume that english populations are adapted to ie. deeper temperatures during winter, unlike their german counterparts. Where they to mix during seasons of temperate or normal winters, a sudden "deep" winter (by english standards) could kill all colonys carrying genetics from the "german" colony. Just a fictional example, but this is how the gene thing works.



the uk has a lot of rain not snow and is there any evidence showing how mixing the ant species will course harm


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