white capsules of the parasitic red gum lerp psyllid glycaspis brimblecombei, on eucalyptus leaves

africa agricultural agriculture animal biology botany brimblecombei close closeup crawling creature creepy damage damaged destroy disease east ethiopia eucalyptus fauna flora foliage forest garden glycaspis green grow gum infection insect larva larvae leaf leaves lerp life macro natural nature outdoor parasite parasitic pathogen pest plant psyllid red reservoir small species suck tropical