Thanks for answers on lily beetle it sure is making amess?

will the lily beetle destroy other plants in my garden, i would rather take out all lilys than risk more damage, thanks for help

Thanks for answers on lily beetle it sure is making amess?
Lily Beetles will only lay their eggs on true lilies and Fritillaria species. Although, researchers in Rhode Island have found it feeding on such other host plants as: Soloman’s seal (Polygonatum sp.), Bittersweet (Solanum sp.), Potato (Solanum tuberosum), Hollyhock (Alcea), and various Hosta species. This pest does not attack daylilies. (1)





http://forums.gardenweb.com/forums/load/... Folks at this site advocate removing these pests manually when there%26#039;s just a few. However, when many susceptible plants are attacked, they use Neem oil, which have been shown to kill larvae %26amp; to deter the adults. Apply early in the growing season because it makes the leaves unpalatable to adults, (making them move on) %26amp; prevents them from laying too many eggs. They have a 30 day cycle. Be vigilant over the summer to make sure the plants are kept clean, %26amp; remove mulch that might harbor eggs. Another person used spray of Murphy%26#039;s oil soap in water effectively.


Read the gardenweb post of Gary Peterborough, who has over two hundred Asian Lillys %26amp; enters garden competitions. His successful battle with Lily Beetles is encouraging. %26quot;I mix 15 ml of Neem Oil and 15 ml of Insecticidal Soap in a one litre spray bottle of warm water. Then after spraying all of my plants and the neighbours as well. I kept looking for the elusive little critters and if I saw even one I sprayed again. Now I have beautiful growth and no holes in the leaves. I haven%26#039;t lost any of my plants.%26quot;





The Royal Horticultural Society recommends spraying infested plants with imidacloprid + sunflower oil (Bayer Provado Ultimate Bug Killer concentrate) or thiacloprid (Provado Ultimate Bug Killer Ready To Use). The larvae are more susceptible to insecticides than the adults.(2)


Merit (imidacloprid) is a systemic insecticide that is absorbed into the plant, which means one application usually lasts a few weeks. Apply early in the season as a soil drench around emerging plants, or used as a foliar spray. Early season treatments are critical for keeping populations under control. (3)





The good news is that if you control well one year, the next year there will be few beetles because they haven%26#039;t overwintered in your lily bed.





Hope this helps! Happy Gardening!



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