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Some aspects of the biology, damage, population dynamics and flight of Acyrthosiphon kondoi Shinji (Homoptera: Aphidiae) in Canterbury, New Zealand
(Lincoln College, University of Canterbury, 1979)
The effect of temperature on aspects of survival fecundity morph determination, rate of development and relative growth rate of the bluegreen lucerne aphid (Acyrthosiphon kondoi Shinji) (BGLA) is discussed. Age specific ...
Starling (Sturnus vulgaris L.) predation on grass grub (Costelytra Zealandica (White), Melolonthinae) populations in Canterbury
(Lincoln College, University of Canterbury, 1972)
The main object of this study was to investigate the effects of predation by starlings (Sturnus vulgaris) on
populations of the grass grub (Costelytra zealandica) in Canterbury, with the secondary objective of investigating
the ...
The control of stored products pests in the South Island of New Zealand : a two part study
(Lincoln College, University of Canterbury, 1979)
This study is in two parts. The first reports the results of a mail questionnaire which was sent to 180 companies storing agricultural produce in the South Island of New Zealand. Sixty-eight percent were returned and showed ...
Field assessment of a sex attractant for control of grass grub, Costelytra zealandica (White)
(Lincoln College, University of Canterbury, 1975)
During the 1973 flight season of the grass grub beetle, Coatelytra zealandica (White), an attempt was made to suppress populations on small scale field plots by mass trapping male beetles using simple water traps baited ...
A rearing method and some biological studies of the weevil Sitona humeralis Stephens (Coleoptera: Curculionidae) in Canterbury
(Lincoln College, University of Canterbury, 1978)
A rearing method was developed to facilitate the study of the soil inhabiting stages of Sitona weevils, with particular reference to s. humeralis in Canterbury. Consideration is given to the physical requirements of both ...
A preliminary study of the fauna associated with lucerne, Medicago sativa L., variety Wairau in New Zealand : with special reference to pests, sampling methods and lucerne seed production
(Lincoln College, University of Canterbury, 1970)
Insects and other pests of Lucerne in New Zealand have received only spasmodic and cursory attention in the past (see Section 2.1). As a result, basic and applied information on insects associated with lucerne in New Zealand ...
Aspects of the biology of the grain aphid, Macrosiphum miscanthi Tak. 1921
(Lincoln College, University of Canterbury, 1970)
Wherever cereals are grown, insect pests will be found damaging the crop. A recent issue of a commercial journal stated that world production of cereals is over 566 million tons, with estimated world losses from insect ...
Attractants for the New Zealand grass grub, Costelytra zealandica (White)
(Lincoln College, University of Canterbury, 1975)
It has been demonstrated (Osborne and Hoyt, 1970) that male grass grub beetles are strongly attracted to the phenol/formaldehyde resin Durez 12687. In preliminary work it was shown that attractant activity was associated ...
An investigation of the chemical reactions of esters of phosphoric acid and alkylphosphoric acids in relation to their chemosterilant activity on Tetranychus urticae (Koch)
(Lincoln College, University of Canterbury, 1970)
In recent years considerable attention has been given to the study of biological effects produced by chemical alkylating agents (Ross, 1962; Wheeler, 1962; Alexander, 1960; Auerbach, 1958; Borkovec, 1962). These compounds ...
The population dynamics of the cabbage aphid, Brevicoryne brassicae (L.), in Central Otago, New Zealand
(Lincoln College, University of Canterbury, 1975)
The field method developed by McLaren (1968) for making life table studies of the cabbage aphid, Brevicoryne brassicae (L.), was used to record details of survival, causes of mortality, daily reproductive output and total ...