Large narcissus fly

Leo A. Martin
Sat, 26 Oct 2013 11:07:22 PDT
I haven't had this pest, but a dense mealybug infestation in fine-spined cactus can be
dealt with by submerging the entire plant in soapy water for a day or two, then draining
and allowing to dry. The insects drown. The soap is necessary to wet the waxy coat on
most insects. This might work for burrowing larvae. I don't know how long larger grubs
can survive underwater - any entomologists willing to chip in?

Leo Martin
Phoenix Arizona USA

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