1990
- Moran, N. A. 1990. Genetic variation in life cycle and host plant relations in Pemphigus betae. 7th International Symposium on Insect/Host Plant Relations. Symp. Biol. Hung. 39: 245-248.
- Moran NA. 1990. Aphid life cycles: two evolutionary steps. The American Naturalist 136: 135-138.
- Moran NA, Whitham TJ. 1990. Differential colonization of resistant and susceptible hostplants: Pemphigus and Populus. Ecology 71:1059-1067.
- Moran NA, Whitham TG. 1990. Interspecific competition between root-feeding and leaf-galling aphids mediated by host plant resistance. Ecology 71: 1050-105.