The Red imported Fire Ant and some of its Nest Cohabitants

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Uploaded by on Oct 17, 2010

Ant nests represent complex animal communities. Besides the ants other animals, mostly arthropods, are adapted to benefit from the conditions of such an ant nest. Some insects for example are resistant against ant attacks due to morphological or/and behavioural characters. For those, the ant nest offers a habitat of protection against predators and a habitat to live in abundance:
Insects or their larvae may fool the ant workers by different kinds of camouflage or by imitating ant workers or ant larvae. The cohabitants may e.g. feed on the ant brood or stimulate the ant workers to be fed.
Insects, mites and Nematodes are common cohabitants, also in nests of Solenopsis invicta (The Red Imported Fire Ant), which is invasive to the Southern US.
During an own research project, some cohabitants, but also insects being just accidentally inside ant nest samples, were filmed.

Ameisennester sind komplexe Lebensgemeinschaften. Neben den Ameisen selbst sind stets auch andere Tiere, meist Arthropoden, daran angepaßt, in diesen Nestern zu leben. Sobald ein Tier, bspw. ein Insekt Merkmale aufweist, die es resistent gegen die Angriffe der Ameisen macht, bietet das Leben im Ameisennest Vorteile, wie beispielsweise Schutz vor Freßfeinden und Nahrung in großer Menge. Manche Insekten oder ihre Larven täuschen die Ameisen durch Tarnung, indem sie beispielsweise Substrat imitieren, oder Ameisen beziehungsweise ihre Larven nachahmen. Manche dieser „ungebetenen" Nestmitbewohner stimulieren die Ameisen, sie zu füttern, oder sie fressen unbemerkt von der Ameisenbrut.
Käfer, Milben oder Nematoden sind häufige Nestmitbewohner, so auch in den Nestern der Roten Importierten Feuerameise (Solenopsis invicta), die als invasive Art u.a. im Süden der USA in Verbreitung begriffen ist.
Während eines eigenen Forschungsprojektes habe ich einige Ameisenmitbewohner der Feuerameise gefilmt, manche davon, wie beispielsweise ein Ohrwurm, waren offenbar nur zufällig in die gesammelte Nestprobe geraten und gar nicht wirklich an das Leben im Nest angepasst.

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Uploader Comments (wirthstef)

  • Never mind, I was looking at the ants wrong

  • @TheAngelicDefender Hey, thanks for your comments, indeed u were wrong: It's Solenopsis invicta;)

  • beautiful ants - can you send me a colony?:) pls

  • @Philipp022 Thanks, I am glad that you like some of my videos. No, unfortunately I can't send you a colony. I don't have a colony here. Please also note that Solenopsis invicta is an invasive species and therefore is no suitable ant for a private zoo in Europe...

  • @wirthstef I know that Solenopsis invicta are invasiv but a ant firend have this ants, too. If you have ants - can you sent me? :D sorry but I search people who sent me ants:)

    greetings Philipp

  • @Philipp022 Dear Philipp, I am sorry, but I have no ants that I  could send you. cheers Stefan

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  • Um, this could be very much wrong, but that colony looks like Solenopsis xyloni, but I'm not sure.

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