Leafminer biological controls (was Helichrysum)

They don't mention Bt but I found these biological controls for
leafminer at the Pest Problem Solver Guide
http://www.biconet.com/pestList.html

   Green Lacewing
   Ladybird beetles (Ladybugs)
   Leafminer Parasite (Diglyphus isaea)
   Beneficial Nematodes
   Praying Mantids
   Sticky Strips - Yellow

I've not used any of these items but have been very pleased with the
things I have ordered from Biocontrol (no association with them). It
would be interesting to hear if anyone has successfully used any of the
things they list.

I had leafminers on some Convolvulus sabatius. FWIW, my ladybugs
dependably annhialate aphids but seemed to have no absolutely no
interest in the leafminers. Cutting off the damaged foliage worked
fine.

I'm not clear about whether the pest being discussed that kills plants
is a leafminer or not but the Bicontrol site lists these kinds of Bt:
   israeliensis - mosquitos
   berliner - caterpillars (general)
   kurstaki - European corn borers corn and tobacco budworm
   var. San Diego tenebrionis - Colorado Potato Beetle and Elm Leaf Beetle

Hope this helps.

> Mary R. Henry wrote:
>
> > Rika, Which Bt do you use and how do you use it for leaf minor:
> > Mary Henry, Minneapolis, MN zone 4a
:

---
Peggy Enes (peggy@unicom.net)   Zone 5/6


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