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Tree Health Field Support Officer
From April 2012, he has been responsible for providing field support for any current Plant Health issues.
Nick joined FR in 1974 as an assistant scientific officer in the entomology branch, working at Alice Holt.
He moved to Ludlow in 1986 to run the field-station there, mainly working on the biological control of Dendroctonus micans using the specific predator Rhizophagus grandis. During 1990 he was seconded to Forestry Canada to work on potential insect vectors of the pine wood nematode.
Plant health work with emphasis on surveys for non-native insect pests.
Mortimer Forest Office
News of a recent unwelcome discovery and how ‘citizen science’ can play an important role in surveying and identification. An overview of the 2015 discoveries of Dryocosmus kuriphilus (Oriental chestnut gall wasp; OCGW) in European sweet chestnut (Castanea sativa) trees in Farningham Woods, Kent and St Albans, Hertfordshire, was published in Quarterly Journal of Forestry. […]
Project leader responsible for:
Straw, N.A., Fielding, N.J., Tilbury, C., Williams, D.T. & Cull, T. (2015) Timing and duration of the life-cycle of Asian longhorn beetle Anoplophora glabripennis (Coleoptera: Cerambycidae) in southern England. Agricultural and Forest Entomology, 17, 400–411.
Straw, N.A., Fielding, N.J., Tilbury, C., Williams, D.T. & Cull, T. (2016) History and development of an isolated outbreak of Asian longhorn beetle Anoplophora glabripennis (Coleoptera: Cerambycidae) in southern England. Agricultural and Forest Entomology, 18, 280–293.
Straw, N., Fielding, N., Tilbury,C., Williams, D.T. and Inward, D. (2014). Host plant selection and resource utilisation by Asian longhorn beetle Anoplophora glabripennis (Coleoptera: Cerambycidae) in southern England. Forestry, 0, 1-12.
Straw, N., Fielding, N., Green, G., Price, J. and Williams D. (2011). Defoliation and growth relationships for mid-rotation Sitka spruce attacked by the green spruce aphid, Elatobium abietinum (Walker) (Homoptera: Aphididae). Forest Ecology and Management, 262, 1223-1235.
Straw, N., Fielding, N., Green, G and Price, J. (2006). Seasonal changes in the distribution of green spruce aphid Elatobium abietinum (Walker) (Homoptera: Aphididae) in the canopy of Sitka spruce. Agricultural and Forest Entomology, 8, 139-154.
Fielding, N. (2006). Identification of Rhizophagus grandis Gyll. (Coleoptera: Rhizophagidae), an introduced bark-beetle predator now established in Britain. Entomologists Monthly magazine, 142, 49-51.
Straw, N., Fielding, N., Green, G and Price, J. (2005). Defoliation and growth loss in young Sitka spruce following repeated attack by the green spruce aphid, Elatobium abietinum Walker. Forest Ecology and Management, 213, 349-368.
Gilbert, M., Fielding, N., Evans, H and Gregoire, J.-C. (2003). Spatial pattern of invading Dendroctonus micans populations in the United Kingdom. Canadian Journal of Forest Research, 33, 712-725.
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