Japan has designated the Argentine ant and the venomous red imported fire ant, both native to South America, as “invasive alien species.” Both species are small in stature, but hundreds of ...

In a petri dish, three Lasius neglectus worker ants surround a cocooned pupa from their own colony’s brood. Tearing into it with their mandibles, the ants remove the pupa from the cocoon, perforate ...

Red imported fire ants, a venomous invasive species of ant, are on the verge of becoming established in Japan. Once it has become an established species, the little arthropod, known as “hiari ...