AHDB Aphid News, 28/04/17, AHDB Horticulture Pest Blog

April 28, 2017

The latest edition of AHDB Aphid News has just been released.

Despite the cool conditions, the total number of aphids flying and species diversity have started to increase this bulletin week.
Peach–potato aphids were caught at four sites this bulletin week (Kirton 1, Hereford 1, Silwood 1 and Starcross 2), including first arrivals at two sites some two to three weeks earlier than forecast.
Willow ̶carrot aphids were caught at six sites across central and southern England. Three of these individuals were first arrivals (Hereford, Rothamsted and Writtle) and all three were close to the ten-year means. The first parsnip aphids (Cavariella theobaldi) of the year were caught this week (Rothamsted 2, Silwood 1, Wellesbourne 1, Writtle 3 and Wye 1).
The first small flushes of the potato aphid (Macrosiphum euphorbiae) and the black bean aphid (Aphis fabae) have also been caught this week.

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Update – Wellesbourne, 09–15/10/2017, Suction, 12 caught, 0% carrying TuYV Kirton, 09–15/10/2017, Su… by Angela Hambidge on this entry
Update Spalding 28/9 02/10/2017 YWT 12 caught, 25% carrying TuYV. by Angela Hambidge on this entry
Update – Wellesbourne 02 – 08/10/2017 Suction, 11 caught, 14% carrying TuYV 09 – 12/10/2017 YWT, 1 c… by Angela Hambidge on this entry
Update – Wellesbourne 11/9 – 17/9/2017 Suction trap 1 aphid 0% carrying TuYV Wellesbourne 21/9 – 25/… by Angela Hambidge on this entry
Update – Kirton, Lincolnshire 28/8–03/09/2017 Suction trap 4 aphids 33% carrying TuYV Spalding, Linc… by Angela Hambidge on this entry

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