Search Results - "Straw, N.A."
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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)?
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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Variation in the abundance of invertebrate predators of the green spruce aphid Elatobium abietinum (Walker) (Homoptera: Aphididae) along an altitudinal transect
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
Defoliation and growth loss in young Sitka spruce following repeated attack by the green spruce aphid, Elatobium abietinum (Walker)
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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Adult fecundity, host plant preferences, field activity and parasitism in the leaf weevil Phyllobius pyri (L.) (Coleoptera: Curculionidae)
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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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
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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Impact and management of the horse chestnut leaf-miner (Cameraria ohridella)
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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Dieback and recovery in poplar and attack by the hornet clearwing moth, Sesia apiformis (Clerck) (Lepidoptera: Sesiidae)
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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The impact of pine looper moth, Bupalus piniaria L. (Lepidoptera; Geometridae) on the growth of Scots pine in Tentsmuir Forest, Scotland
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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Performance of the green spruce aphid, Elatobium abietinum (Walker) on previously defoliated Sitka spruce
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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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
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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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
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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The financial costs of defoliation of Scots pine (Pinus sylvestris) by pine looper moth (Bupalus piniaria)
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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Phytotoxicity of insecticides used to control aphids on Sitka spruce, Picea sitchensis (Bong.) Carr
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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Resource limitation of tephritid flies on lesser burdock, Arctium minus (Hill) Bernh. (Compositae)
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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Comparative genome sequence analysis of the Bpa/Str region in mouse and Man
Published in Genome research (01-06-2000)“…The progress of human and mouse genome sequencing programs presages the possibility of systematic cross-species comparison of the two genomes as a powerful…”
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