Aphid bulletins
The latest editions of the Rothamsted Suction Trap Bulletin and AHDB Aphid News are attached. The information of interest to vegetable and salad growers is as follows:
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The first two peach–potato aphids (Myzus persicae) have been caught this week, with first arrivals at Kirton and Hereford. The individual at Hereford was particularly early, 3 - 4 weeks earlier than the 10yr average and forecast.
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A single potato aphid (Macrosiphum euphorbiae) has been caught this week at Silwood.
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No mealy cabbage aphids (Brevicoryne brassicae) or pea aphids (Acyrthosiphon pisum) have been caught in suction-traps so far this year.
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There have been further field reports of overwintering colonies of mealy cabbage aphids in winter oilseed rape crops in southern England (Dorset).
- The willow ̶ carrot aphid (Cavariella aegopodii) has been caught at four sites this week, with first arrivals at Silwood and Starcross.
Rosemary Collier
08 May 2015 13:22
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