... in insects, mainly in bees, showed preference for last encountered items. In bees, pheromone presence can also influence motivation, and thus learning. However, neither serial position learning nor the effect of recruitment pheromones on learning have been well investigated in ants. We trained Lasius niger...

... in ants. We trained Lasius niger workers to discriminate two mixtures of linear hydrocarbons and to associate one of them with a sucrose reward. We analysed the walking paths of the ants using machine learning and found that the ants spent more time near the rewarded odour than near the other...

... and the spermatheca, respectively. As our study species, we used the bacterium Escherichia coli and the garden ant Lasius niger , whose queens can live for several decades. Our results provide the first empirical evidence that male and female sperm-storage organs display different antibacterial activity. While...

... The Company of Biologists Limited 2006 2006 threshold starvation foraging ant Lasius niger The ecological success of animals depends on their ability to adjust their foraging strategies to many parameters characterizing their physiological status and/or their environmental conditions (see...