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Potato aphid 2009 main topics
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More information
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Potato aphid 2009
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Sunday, March 14, 2010
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The Potato aphid (Macrosiphum euphorbiae) is often the most numerous of the five or six species of aphids that colonize potato crops in Scotland. It is also an important aphid vector of non-persistent potato viruses (e.g. PVY).
In the Scottish aphid traps, the first Potato aphid (Macrosiphum euphorbiae) of 2009 was caught on 18 April at Edinburgh. This date is 33 days earlier than the mean date of first capture of this species at Edinburgh (1969 to 2008).
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M. euphorbiae |
Elgin |
Dundee |
Edinburgh |
Ayr |
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First catch 2009 |
30-May |
23-May |
18-April |
31-May |
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Mean date of First Catch |
15-June |
30-May |
21-May |
28-May |
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Catch to 31 July 2009 |
16 |
210 |
189 |
37 |
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Mean catch to 31 July |
20 |
73 |
66 |
22 |
The total catch of 455 Potato aphids (Macrosiphum euphorbiae) in the four Scottish traps to 4 October ranks fifth highest out of the last 26 seasons. Of these aphids 4% were caught at Elgin, 46% at Dundee 42% at Edinburgh and 8% at Ayr.
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