Answer: Crape myrtles are commonly infested with the Crapemyrtle aphid, a tiny critter that attacks new shoots early on, causing crumbled and misshaped tip growth. Later, the trees can be attacked, still early in the season, by omniverous loopers, caterpillars that are not listed on packages of BT. They do, however, succumb to pyrethrins. The trick is being Johnny On-the-spot with the spray to get these fast, mostly night feeding, do the damage and run nasties.
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