Deep inside the damp leaf litter of the Lenneberg Forest near Mainz, Germany, tiny worker ants of the species Temnothorax nylanderi are living surprisingly long lives. While a normal worker ant usually leads a short, busy life of just one to two years, workers carrying a parasitic tapeworm called Anomotaenia brevis can live several times longer.

Deep inside the damp leaf litter of the Lenneberg Forest near Mainz, Germany, tiny worker ants of the species Temnothorax nylanderi are living surprisingly long lives. While a…

A tapeworm infection dramatically alters worker ants, making them live much longer. These infected ants exhibit physiological changes that partially resemble queen ants. Their…