Paratrechina jaegerskioeldi

In ecology, a tramp species is an organism that has been spread globally by human activities. The term was coined by William Morton Wheeler in the bulletin of the American Museum of Natural History in 1906, used to describe ants that “have made their way as well known tramps or stow-aways [sic] to many islands". The term has since widened to include non-ant organisms, but remains most popular in myrmecology.

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Nylanderia es un género de hormigas perteneciente a la familia Formicidae; hasta hace poco se consideraba un sinónimo más moderno de Paratrechina. Se distribuyen por casi todo el planeta, excepto zonas frías y el centro y norte de Europa. Hay 110 especies descritas.