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Establishment and Phenology of the Parasitoid Microctonus hyperodae (Hymenoptera: Braconidae) in New Zealand
Environ Entomol. 27(6): 1386-1392 (1998) The South American weevil Listronotus bonariensis (Kuschel) (Coleoptera: Curculionidae) is one of New Zealand's worst pasture pests causing between NZ$78-251… Expand
Seasonal biology and ecology in New Zealand of Microctonus aethiopoides (Hymenoptera: Braconidae), a parasitoid of Sitona spp. (Coleoptera: Curculionidae), with special emphasis on atypical behaviour.
(1) Laboratory studies on Microctonus aethiopoides, a parasitoid of Sitona discoideus, established that the development temperature thresholds of its egg and larval stages combined and pupal stage… Expand
The bionomics of Listronotus bonariensis (Coleoptera: Curculionidae) in Canterbury, New Zealand
A study was conducted in 1990–1995 in Canterbury, New Zealand to describe the phenology and seasonal abundance of all stages of the Argentine stem weevil Listronotus bonariensis (Kuschel), a New… Expand
Importation and quarantine of Microctonus hyperodae, a South American parasitoid of Argentine stem weevil.
The effect of Sitona discoideus Gyllenhal (Coleoptera: Curculionidae) on lucerne yields in New Zealand.
East meets west: adaptive evolution of an insect introduced for biological control.
1. A possible explanation for low success rates when introducing natural enemies to new regions for biological control of insect pests is that they fail to adapt to their new conditions. Therefore it… Expand
Collections of Microctonus aethiopoides Loan (Hymenoptera: Braconidae) from Ireland
The biological control programme against Sitona lepidus (Gyllenhal) (Coleoptera: Braconidae) commenced in 1998, with the first parasitised weevils imported into New Zealand quarantine in 2000.… Expand
Listronotus bonariensis (Coleoptera: Curculionidae) flight in Canterbury, New Zealand
Flight by Listronotus bonariensis (Kuschel) in Canterbury, New Zealand varied greatly both within and between seasons; no winter flight was detected between mid-May and mid-August. Predisposing… Expand
Population dynamics and larval establishment of Sitona discoideus (Coleoptera: Curculionidae) in New Zealand lucerne.
(1) Sitona discoideus Gyllenhal population data collected from young lucerne (Medicago sativa L.) in Canterbury, New Zealand in 1982-86 were analysed using life tables. Manipulated weevil densities… Expand
Linear patterns of dispersal and build up of the introduced parasitoid Microctonus hyperodae (Hymenoptera: Braconidae) in Canterbury, New Zealand
The dispersal of Microctonus hyperodae Loan, an introduced parasitoid of the South American grassland pest Listronotus bonariensis Kuschel, was measured in Canterbury, New Zealand. Considering all… Expand