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A simulation model describing the population dynamics and damage potential of the rose grain aphid, Metopolophium dirhodum (Walker) (Hemiptera: Aphididae), in the UK

Published online by Cambridge University Press:  10 July 2009

X. Zhou ,
N. Carter  and
J. Mumford
X. Zhou
Affiliation:
AFRC Institute of Arable Crops Research, Rothamsted Experiment Station, Harpenden, Herts, AL5 2JQ, UK
N. Carter
Affiliation:
AFRC Institute of Arable Crops Research, Rothamsted Experiment Station, Harpenden, Herts, AL5 2JQ, UK
J. Mumford
Affiliation:
Silwood Centre for Pest Management, Imperial College at Silwood Park, Ascot, Berks, SL5 7PY, UK
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Abstract

Metopolophium dirhodum (Walker) is occasionally a pest of cereals in the UK. A simulation model was developed to study its population dynamics and damage potential. The model was initiated by the aphid immigration as measured by 12·2-m suction trap samples and with temperature as the major driving variable. It was validated with field observations from three contrasting years, 1979, 1985 and 1986. The model accurately predicted aphid populations and yield loss in a major outbreak year (1979) but was less accurate when densities were lower (1985 & 1986). Possible reasons for these discrepancies are discussed.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 79 , Issue 3 , September 1989 , pp. 373 - 380
Copyright
Copyright © Cambridge University Press 1989

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