Frass is insect waste or feeding debris. On plumeria, sawdust-like frass near a stem hole can point to borer activity, while pellet-like frass near chewed leaves can point to caterpillars or other chewing pests.
Frass is insect waste or feeding debris. On plumeria, sawdust-like frass near a stem hole can point to borer activity, while pellet-like frass near chewed leaves can point to caterpillars or other chewing pests.
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