Dear-enemy recognition

Extending Tristram s (1977) research, McGavin (1978) used experimental procedure (2) above to determine whether dear enemy recognition occurs in Plethodon cinereus. She allowed certain individuals to become experienced with the substrate markings of certain other individuals while remaining ignorant of the markings of another set of individuals. 

Jaeger, R. G., 1981, Dear enemy recognition and the costs of aggression between salamanders. Am. Nat., 117 962. 

Heinze, J., Foitzik, S., Hippert, A. and Holldobler, B. (1996). Apparent dear-enemy phenomenon and environment-based recognition cues in the ant Leptothorax nylanderi. Ethology, 102, 510-522. 

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