Now showing items 1-10 of 54
A preliminary study of the biology of Haplothrips niger Osborn, and associated thrips, on red clover in New Zealand
(Canterbury Agricultural College, University of New Zealand, 1949)
The primary aim of this investigation has been to study the biology of Haplothrips niger on red clover in New Zealand. The various aspects of the biology which it was intended to study were: i. A full description of all ...
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 ...
New Zealand Diptera: no. 2 - Mycetophilidæ
(New Zealand Institute, 1895)
Classification and description of several New Zealand species of the Mycetophilidae.
New Zealand Diptera: no. 3 - Simulidæ
(New Zealand Institute, 1895)
Description of a New Zealand species of the Simulidae.
The biology and economic impact of the weta, Hemiandrus sp. (Orthoptera : Stenopelmatidae) in an apricot orchard, Horotane Valley
(Lincoln College, University of Canterbury, 1978)
The basic aspects of the biology of the weta, Hemiandrus sp. (Orthoptera : Stenopelmatidae) were studied in an orchard, Horotane Valley, and in the laboratory during 1976 and 1977. The differences between preferred and ...
A comparative phenetic and cladistic analysis of the genus Holcaspis Chaudoir (Coleoptera: Carabidae)
(Lincoln University, 1994)
The systematics of the endemic New Zealand carabid genus Holcaspis are investigated, using phenetic and cladistic methods, to construct phenetic and phylogenetic relationships. Three different character data sets: ...
A study of factors regulating populations of Pieris rapae Linnaeus in Canterbury, New Zealand
(Lincoln College, University of Canterbury, 1971)
The small white butterfly, Pieris rapae Linnaeus, was accidentally introduced to New Zealand in 1930. In the absence of its specific natural, enemies, P. rapae multiplied rapidly and-by 1936 posed a serious economic problem ...
Effects of insecticides on Sitona discoideus (Gyllenhal) (Coleoptera: Curculionidae) and its parasitoid Microctonus aethiopoides (Loan) (Hymenoptera: Braconidae)
(Lincoln University, 1991)
Laboratory and field experiments were conducted to evaluate the effect of insecticides on the egg and adult stages of Sitona discoideus (Gyllenhal), and its natural enemy Microctonus aethiopoides (Loan). A range of ...
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 ...
Aspects of the biology of the St. John’s wort beetle, Chrysolina hyperici (Forst.), relating to its role as a biocontrol agent
(Lincoln College, University of Canterbury, 1987)
A questionnaire on St. John's wort was presented to all South Island Noxious Plants Officers. Responses show that St. John's wort biocontrol is perceived as only partially effective. Areas of serious infestation remain, ...