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With fall webworms, Bt is effective only if its application is properly timed. Once the caterpillars have enshrouded themselves in webs, they are more difficult to kill. Check on susceptible plants frequently, beginning in late spring, and apply Bt at the first sign of hatching webworms.
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findarticles.com/p/articles/mi_m1082/is_n4_v42/ai_20912...
findarticles.com/p/articles/mi_m1082/is_n4_v42/ai_20912191/
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While unsghtly, webworms will not destroy an established tree. Saplings, however, may end up a loss. One way to get rid of web worms is to pierce the web with a long pole (preferably with two nails driven perpendicular to each other at the end of the pole, ... is to use Bt, a bacteria, to kill the caterpillars; they won't...
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wiki.answers.com/Q/How_do_you_get_rid_of_web_worms
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Trees and Shrubs question: Will web worms kill a tree? Please help us answer this question.
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wiki.answers.com/Q/Will_web_worms_kill_a_tree
wiki.answers.com/Q/Will_web_worms_kill_a_tree
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This forum is for those in the Lone Star State to discuss the various aspects of gardening there. ... There is nothing that you can tree a big tree with to toxify to a point that it would kill the webworms. Small trees yes but again many of the above answers are more appropo. Happy Growing Davi...
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forums.gardenweb.com/forums/load/txgard/msg08193841502....
forums.gardenweb.com/forums/load/txgard/msg08193841502.html
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Fall webworms have two generations each year and feed on a wide variety of shade trees. Wintering in cocoons in sheltered areas, the adult is a white moth that glues large clusters of eggs to the undersides of leaves in June. ... Will the fall webworm kill my tree?
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www.ces.purdue.edu/GardenTIPS/insects/webworms.html
www.ces.purdue.edu/GardenTIPS/insects/webworms.html
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The Fall Webworm - Prevention and Control ... By Steve Nix, About.co ... Pests that Kill Trees...
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forestry.about.com/od/forestinsects/p/sect_com_fww.htm
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Page contains pest description and control methods for Webworms. ... Webworms; Description:; Spring webworm and fall webworm larvae form a web that can cover individual leaves, leaf clusters or whole branches, growing to several feet in diameter.
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hortipm.tamu.edu/pestprofiles/chewing/webworm/webworm.h...
hortipm.tamu.edu/pestprofiles/chewing/webworm/webworm.html
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Re: Where to find fresh sugar pumpkin for pies? We've also had them at Central City Co-op. - BadPixie ... Re: Source for strong, larger fruit trees? I bought some peach trees from JRN, they had sold out at the Urban Harvest tree sale. They have a huge fruit tree selection. - lovemygarden ... More gardening discussions...
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www.chron.com/disp/story.mpl/gardening/huber/6719102.ht...
www.chron.com/disp/story.mpl/gardening/huber/6719102.html
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Nov 15, 2009 ... How to kill sod webworms organically? Why so many acorns this year? Plant profile: Cool-weather primroses · What's next with my broccoli ...
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www.chron.com/disp/story.mpl/gardening/6719102.html
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