Thank you for that, Peter.
I suppose that if the systemic activity of neonics is sufficient to
kill Apple Maggot eggs or larvae during a (two week?) period after application,
and up to 2 inches rainfall, they could be expected to be as good as
Imidan or Guthion,
Hi David,
Harvey Reissig did a study on the efficacy of some of the newer products
against apple maggot, and published it some years ago:
Reissig, W. Harvey. 2003. Field and Laboratory Tests of New Insecticides
Against the Apple Maggot, Rhagoletis pomonella (Walsh) (Diptera: Tephritidae).
Thank you, Art. It is always better to know whether the most-informed
have the answers; or whether, instead, they are not sure either.
The uncertainty that Reissig expressed in his paper of 2003 apparently
continues now ten years later. In that paper he indicated the need for
