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Modelling topoclimatic patterns of egg mortality of Epirrita autumnata (Lepidoptera: Geometridae) with a geographical information system: predictions for current climate and warmer climate scenarios.

Published online: 19 Aug 1998

Authors: Virtanen, T. & Neuvonen, S. & Nikula, A.

Content type: Journal article

Journal title: Journal of Applied Ecology

A study was carried out to quantify the effects of a warmer winter climate on the egg mortality (and, consequently, the risk of an outbreak) of Epirri...

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The effects of refuge size and number on acarine predator-prey dynamics in a pesticide-disturbed apple orchard.

Published online: 19 Aug 1998

Authors: Lester, P. J. & Thistlewood, H. M. A. & Harmsen, R.

Content type: Journal article

Journal title: Journal of Applied Ecology

In apple orchards, the use of pesticides such as pyrethroids for the control of lepidopteran and dipteran pests can severely disturb natural equilibri...

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Value of the aphid Rhopalosiphum padi as food for cereal spiders.

Published online: 05 Oct 1995

Authors: Toft, S.

Content type: Journal article

Journal title: Journal of Applied Ecology

Laboratory experiments were carried out to analyse various aspects of spider performance under different diets, focusing mainly on the value of the ap...

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Distribution of Urophora galls in flower heads of diffuse and spotted knapweed in British Columbia.

Published online: 01 Jan 1981

Authors: Myers, J. H. & Harris, P.

Content type: Journal article

Journal title: Journal of Applied Ecology

The distribution of Urophora affinis (Frnf.) and U. quadrifasciata (Wied.) among the flower heads of diffuse (Centaurea diffusa) and spotted (C. macul...

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Spatial pattern of abundance of the black bean aphid, Aphis fabae, in Britain.

Published online: 08 Aug 1992

Authors: Cammell, M. E. & Tatchell, G. M. & Woiwod, I. P.

Content type: Journal article

Journal title: Journal of Applied Ecology

Populations of Aphis fabae were monitored in the UK in 1969-86 on its primary winter host (Euonymus europaeus), on the 2 principal secondary summer cr...

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Estimates of mean population density and spatial distribution of Tetranychus urticae (Acarina: Tetranychidae) and Phytoseiulus persimilis (Acarina: Phytoseiidae) based upon the proportion of empty sampling units.

Published online: 22 Jul 1985

Authors: Nachman, G.

Content type: Journal article

Journal title: Journal of Applied Ecology

A simple but general model of density-dependent dispersal in an arthropod population is used to explain the relationship between the density and the s...

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Alate production by aphids on sugar beet: how likely is the evolution of sugar beet-specific biotypes?

Published online: 20 Apr 2000

Authors: Williams, I. S. & Dewar, A. M. & Dixon, A. F. G. & Thornhill, W. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

Aphid clones that feed on the same plant species for many generations often develop biotypes specifically adapted to the particular host-plant. Such b...

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Studies of factors affecting the formation of hopper bands of the red locust (Nomadacrís septemfasciata) in an outbreak area.

Published online: 01 Jul 1970

Authors: Dean, G. J. W.

Content type: Journal article

Journal title: Journal of Applied Ecology

The following is virtually the author's summary. Studies were carried out in 1958-62 on some of the factors that affect the formation of bands of hopp...

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The effect of sprays on the fauna of apple trees. V. DDT/BHC and lead arsenate/nicotine applied at the green cluster stage.

Published online: 01 Jul 1970

Authors: Morris, M. G.

Content type: Journal article

Journal title: Journal of Applied Ecology

The following is virtually the author's summary of this part of a series on investigations in south-eastern England [cf. RAE A 57 889, etc.]. The effe...

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The control of Pieris rapae with DDT. II. Survival of the young stages of Pieris after spraying.

Published online: 01 Jul 1970

Authors: Dempster, J. P.

Content type: Journal article

Journal title: Journal of Applied Ecology

The following are virtually the author's summaries of these parts of a series on observations in central England [cf. RAE A 57 7969].
Following the us...

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