All entries for Thursday 25 April 2013
April 25, 2013
Update from Rothamsted Research on suction trap captures
Our forecasts issued at the beginning of March predicted a later than average time for first flights this year, especially in the south, based on January and February temperatures. March was the joint second coldest in the UK since records began more than 100 years ago, and this cold period continued into the first half of April. All this has resulted in very few aphids in our suction traps so far this year.
Next week we will start issuing the weekly data bulletins with associated news sheets.
Rosemary Collier
25 Apr 2013 15:33
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Silver Y moths late
The light traps run by moth entusiasts capture two species of migrant moth that can be pests of vegetable crops - silver Y moth and diamond-back moth. There is a particularly active group of 'moth catchers' in Dorset and their website details captures.
Last year the first silver Y moths were caught on 28th March. They have yet to be captured this year. Another sign of the late season!.
Rosemary Collier
25 Apr 2013 11:49
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