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Pine Tip Moth Control

Pine tip moths feed on and destroy new growth (terminals) of pines grown throughout many parts of the world. Injury often is quite conspicuous, and infested plants may appear unattractive. Although little real injury to the health of the infested tree results from pine tip moth attacks, tree growth can be delayed and the form altered to a bushier appearance. 

Tip moth injury can be diagnosed during early to midsummer by examining suspect shoots that have dried and shriveled. At this time, the damaging stage of the insect or old discarded skins can be detected. If the insect is not present, examine the damaged terminal growth to see if there is evidence of the internal tunneling typical of most tip moth injuries.

I typically cut off the dead part of the plant and wait for a new shoot to develop.  Control of the pine tip moth is generally not needed, however you can treat with a variety of insecticides. Pyrethroid insecticides that are labeled for use on shade trees, such as products containing bifenthrin, permethrin, or lambda-cyhalothrin, can be very effective against exposed larvae. The systemic insecticide acephate (Orthene) may kill small larvae that have already begun to tunnel into pine tips.
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