Narcissus Bulb Fly Control

Danny Wylie via pbs pbs@lists.pacificbulbsociety.net
Sun, 29 Aug 2021 17:42:08 PDT
Hey all,

I've been in for a nasty surprise this growing season in northeastern Ohio
as my bulbs have been hit hard by the fly. So far every 2 year old
Hippeastrum bulb has them. After I discovered them attacking most of my
large bulbs I wanted to try keeping the bulbs in my hot greenhouse thinking
it would maybe deter them, but I was not successful. They will gladly go
after any amaryllid about the size of a quarter. I would do the hot water
method but my bulbs get attacked so young that I fear I would never see
them flower again. I'm researching insecticides for control and the wiki
suggests dylox. I've also read that a daffodil grower found Imidacloprid
highly effective. Has anyone used these for containers and found them
helpful?

Big thanks!

Danny W
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