Establishing cryptic female choice in animals.

TREE vol. 13, no. 6 June 1998 Copyright © 1998, Elsevier Science Ltd. All rights reserved. 0169-5347/98/$19.00 PII: S0169-5347(98)01372-X adaptation occurs even within strongly interacting, complex communities. These results demonstrate that multiple species interactions do not necessitate the diffusion of coevolutionary relationships. Emphasizing the value of this community perspective, Allen Herre (Smithsonian Tropical Research Institute, Balboa, Panama) and Richard Lenski both showed that an understanding of host–parasite specificity can aid in understanding mechanisms that promote community diversity. Integrating this community-level perspective with the mechanistic, model-oriented view of much host–parasite research will lead to a broader understanding of local adaptation in host–parasite interactions.