Discrimination of the Social Parasite Ectatomma parasiticum by Its Host Sibling Species (E. tuberculatum)
Figure 1
The experimental device used for discrimination tests. (a) Overview of the device composed of a round plastic box (11.8 cm diameter) and two fixation systems. The test-worker faced two immobilized stimuli-ants, here a parasite and a conspecific queen. (b) Detailed view of the fixation system on which a queen was immobilized.
