File:Temnothorax ravouxi queen throttling T. unifasciatus queen.jpg

Summary
A young queen of slavemaking Temnothorax (= Myrmoxenus) ravouxi has penetrated a nest of the slave species Temnothorax unifasciatus. She throttles the host queen to death and is accepted by the adult host workers as replacement queen. Photo by the late Dr. Walter Faber from Vienna.