All entries for Friday 22 July 2016

July 22, 2016

A new edition of the Rothamsted Insect Survey Aphid Bulletin has been published (week ending 17th July). The latest edition of AHDB APHID News is here.

Numbers of peach–potato aphid (Myzus persicae) and the potato aphid (Macrosiphum euphorbiae) remain very low this week.
The numbers of willow ̶carrot aphid (Cavariella aegopodii) flying are now very low everywhere.
A single currant-lettuce aphid (Nasonovia ribisnigri) was caught at Rothamsted.
Numbers of parsnip aphids (Cavariella pastinaceae 1 at Preston and 3 at Starcross but no Cavariella theobaldi), are also very low.
Numbers of the black bean aphid (Aphis fabae) are conspicuously low, both for the time of year and compared to the large migrations seen in 2015.

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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