1. Success of the aspen blotch miner, Phyllonorycter salicifoliella, on three host-tree species;Alberts;M.S. Thesis, University of North Dakota, Grand Forks,1989
2. The organisation of chalcid-dominated parasitoid communities centered upon endophytic hosts;Askew,1975
3. Mortality factors affecting the leaf-mining stages of Phyllonorycter (Lepidoptera: Gracillariidae) on oak and birch. 1. Analysis of mortality factors;Askew;Zool. J. Linn. Soc.,1979
4. Parasitoid communities: Their size, structure, and development;Askew,1986
5. The relationship between foliar nitrogen content and feeding by Odontota dorsalis Thun. on Robinia pseudoacacia;Athey;Oecologia,1989