Now showing items 1-4 of 4
A study on the biology and economic importance of the Argentine stem weevil, Hyperodes bonariensis kuschel, in New Zealand
(Canterbury Agricultural College, University of New Zealand, 1961)
Since the advent of European settlement in New Zealand, grassland farmng has dominated the landscape. Over the past one hundred years, New Zealand's development has been largely dependent on the export of pastoral ...
Comparative studies on the toxicity of selected Acaricides to susceptible and resistant strains of Tetranychus urticae Koch (Acarina : Tetranychidae)
(Lincoln College, University of Canterbury, 1966)
Although scientific knowledge on insect resistance to chemicals has advanced spectacularly during the last few years it is not possible to apply directly these findings to resistance within the order Acarina. Not only are ...
Comments on the ecology of grass grub and porina caterpillar
(New Zealand Grassland Association., 1968)
The object of this paper is to discuss the ecology of grass grub, Costelytra zealandica White, and porina, Wiseana cervinata (Walker), New Zealand’s most important pastoral insect pests, and to survey what has been ...
The development of life tables for studying the population dynamics of the cabbage aphid, Brevicoryne brassicae (L.) : a thesis submitted in partial fulfilment of the requirements for the degree of Master of Horticultural Science with Honours in the University of Canterbury [Lincoln College]
(Lincoln College, University of Canterbury, 1968)
A method was described whereby information was obtained from field populations of the cabbage aphid, Brevicoryne brassicae and the results were used for the development of life tables. Statistical analyses of the life ...