BIO SECURITY

Molecular Ecology

Bio Security

Pest Management

Forest Health

Microbial Control

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Recent Projects in Bio Security

Tree Debarking.

Writing standards for surveillance and inspection at ports of entry.

Designing monitoring programmes for pests of quarantine interest.

 
Surveillance system development.

Production of molecular markers for Lymantriidae in order to identify pathways of entry into New Zealand (in Collaboration with Lincoln University).

Genetic diversity of sap sucking insects in New Zealand.

Development of broad spectrum attractants for wood boring insects (in Collaboration with the University of Canterbury).

Member of National Panel of Experts on recent Pest Incursions.

Pest Risk Assessments.

Diagnostic work on ad hoc basis.

Walsh, P. J. (1999). Eucalypts-More insect introductions. Is it too late for Ophelimus control. Tree Grower February 25-26.

Glare, T.R., Walsh, P.J., and Barlow, N.D. (1997). Possible agents for use in New Zealand for the eradication or control of gypsy moth, Lymantria dispar. Proceedings of the 50th New Zealand Plant Protection Conference.

Glare, T.R., Walsh, P.J., Wigley, P.J. and Nelson, T.L. (1997).   Options for treating Orgyia thyellina (Lepidoptera: Lymantriidae), a recent introduction to New Zealand.  Proceedings of the 30th Annual Meeting of the Society for Invertebrate pathology, Banff, Canada, 21

Walsh, P. J. (1996). Report on the status of Cardiaspina fiscella (Homoptera: Psyllidae) in Auckland. Report to the Ministry of Forestry.

Walsh, P. J. (1996) Recent Introduction of Eucalyptolyma maideni Frogatt (Homoptera: Psyllidae) into New Zealand. An illustrated report distributed to all Forest Health Officers, Members of the Forest Health Advisory Committee, Farm Foresters Executive and Museums. Ministry of Forestry Contract.

Walsh, P.J. and Kay, M.K. (1995). Forest Health and the Farm Forester: Insect threats and the risks to tree health. N. Z.Tree Grower