Search Results - "Straw, N.A."

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  1. 1

    The effects of host plant on the coccinellid functional response: Is the conifer specialist Aphidecta obliterata (L.) (Coleoptera: Coccinellidae) better adapted to spruce than the generalist Adalia bipunctata (L.) (Coleoptera: Coccinellidae)? by Timms, J.E., Oliver, T.H., Straw, N.A., Leather, S.R.

    Published in Biological control (01-12-2008)
    “…Female Aphidecta obliterata consumed an average of 26.6 ± 5.8 Elatobium abietinum and males consumed an average of 19.9 ± 3.2 Elatobium abietinum, but there…”
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    Journal Article
  2. 2

    Variation in the abundance of invertebrate predators of the green spruce aphid Elatobium abietinum (Walker) (Homoptera: Aphididae) along an altitudinal transect by Straw, N.A., Timms, J.E.L., Leather, S.R.

    Published in Forest ecology and management (30-05-2009)
    “…Green spruce aphid Elatobium abietinum (Walker) is a major defoliator of Sitka spruce ( Picea sitchensis (Bong.) Carr.) in north-west Europe and other parts of…”
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  3. 3

    Defoliation and growth loss in young Sitka spruce following repeated attack by the green spruce aphid, Elatobium abietinum (Walker) by Straw, N.A., Fielding, N.J., Green, G., Price, J.

    Published in Forest ecology and management (18-07-2005)
    “…Green spruce aphid, Elatobium abietinum (Walker), is a serious defoliator of Sitka spruce ( Picea sitchensis (Bong.) Carr.). In a field experiment in Hafren…”
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  4. 4

    Adult fecundity, host plant preferences, field activity and parasitism in the leaf weevil Phyllobius pyri (L.) (Coleoptera: Curculionidae) by Billiald, H E, Straw, N A, Stewart, A J A

    Published in Bulletin of entomological research (01-06-2010)
    “…Adults of the leaf weevil Phyllobius pyri (L.) (Coleoptera: Curculionidae) feed on a wide variety of broadleaved trees and occasionally cause severe…”
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  5. 5

    The impact of green spruce aphid, Elatobium abietinum (Walker), on the growth of young Sitka spruce in Hafren Forest, Wales: pattern of defoliation and effect on shoot growth by Straw, N.A, Fielding, N.J, Green, G, Coggan, A

    Published in Forest ecology and management (12-05-1998)
    “…Green spruce aphid ( Elatobium abietinum) is the main defoliator of Sitka spruce in the UK, but there is a lack of quantitative data on its effects on tree…”
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  6. 6

    Impact and management of the horse chestnut leaf-miner (Cameraria ohridella) by Straw, N.A, Bellett-Travers, M

    Published in Arboricultural journal (01-12-2004)
    “…The horse chestnut leaf-miner (Cameraria ohridella Deschka & Dimić) is a new pest of horse chestnut that established in the UK in 2002. Experience from Europe…”
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  7. 7

    Dieback and recovery in poplar and attack by the hornet clearwing moth, Sesia apiformis (Clerck) (Lepidoptera: Sesiidae) by Straw, N A, Green, G, Williams, D T

    Published in Bulletin of entomological research (01-12-2007)
    “…A survey of 801 poplar trees in central east England in 1999 demonstrated a correlation between crown dieback and infestation by hornet clearwing moth (Sesia…”
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  8. 8

    The impact of pine looper moth, Bupalus piniaria L. (Lepidoptera; Geometridae) on the growth of Scots pine in Tentsmuir Forest, Scotland by Straw, N.A.

    Published in Forest ecology and management (31-10-1996)
    “…Pine looper moth ( Bupalus piniaria) is an autumn defoliator of pines in Europe, but its impact on tree growth is not well established. Full stem analysis of…”
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  9. 9

    Performance of the green spruce aphid, Elatobium abietinum (Walker) on previously defoliated Sitka spruce by Williams, D.T, Straw, N.A, Day, K.R

    Published in Agricultural and forest entomology (01-05-2005)
    “…1 The green spruce aphid, Elatobium abietinum, is an important defoliator of Sitka spruce in the U.K. However, it is usual for years in which high E. abietinum…”
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  10. 10

    The impact of green spruce aphid, Elatobium abietinum (Walker), and root aphids on the growth of young Sitka spruce in Hafren Forest, Wales: effects on height, diameter and volume by Straw, N.A., Fielding, N.J., Green, G., Price, J.

    Published in Forest ecology and management (01-09-2000)
    “…In 1992 the UK Forestry Commission established a field experiment in Hafren Forest, Wales, to determine the impact of green spruce aphid ( Elatobium abietinum)…”
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  11. 11

    The impact of green spruce aphid, Elatobium abietinum (Walker), on the growth of young Sitka spruce in Hafren forest, Wales: delayed effects on needle size limit wood production by Straw, N.A, Fielding, N.J, Green, G, Price, J

    Published in Forest ecology and management (01-03-2002)
    “…Defoliation of 3-year-old Sitka spruce ( Picea sitchensis (Bong.) Carr.) by green spruce aphid ( Elatobium abietinum (Walker)), in a field experiment in Hafren…”
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  12. 12

    The financial costs of defoliation of Scots pine (Pinus sylvestris) by pine looper moth (Bupalus piniaria) by Straw, N.A., Armour, H.L., Day, K.R.

    Published in Forestry (London) (01-01-2002)
    “…The financial costs of defoliation of Scots pine by the pine looper moth (Bupalus piniaria L.) were evaluated for three pine stands in Tentsmuir Forest,…”
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  13. 13

    Phytotoxicity of insecticides used to control aphids on Sitka spruce, Picea sitchensis (Bong.) Carr by Straw, N.A., Fielding, N.J., Waters, A.

    Published in Crop protection (01-08-1996)
    “…Treatment of 2–4 year old Sitka spruce in the field with the insecticides dimethoate, malathion, pirimicarb, Pynosect (pyrethrum + resmethrin) and Savona…”
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  14. 14

    Resource limitation of tephritid flies on lesser burdock, Arctium minus (Hill) Bernh. (Compositae) by Straw, N.A

    Published in Oecologia (01-01-1991)
    “…The intensity of resource exploitation by phytophagous insects is usually considered to reflect population size. For populations of two flowerhead-attacking…”
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