Psyllids or Jumping Plant Lice are small, jumping, winged, highly host-specific plant-feeding bugs in the Superfamily Psylloidea. Not only can Psyllids weaken plants with their feeding and spread plant diseases, their nymphs (immature Psyllids) can form unsightly, disfiguring galls on host plants. I observed these weird, red, pimple-like galls on the leaves of an 'Ohi'a... Read More →
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