Pest identification
What's eating my navel orange washington?
Citrus leafminer
Signs: Serpentine silver mines in young leaves; curled, distorted new flushes reduce canopy development
Control: Spinosad or neem oil spray at each new flush; remove badly mined shoots
California red scale
Signs: Dense round scales on branches and fruit rind; yellow halos; dieback on heavy infestations
Control: Horticultural oil at petal fall and again in summer; release Aphytis melinus parasitic wasps
Asian citrus psyllid
Signs: Waxy white tubular deposits on new growth; leaf cupping; possible HLB disease transmission
Control: Report to county ag extension if found; targeted insecticide (imidacloprid or foliar spinosad); remove and destroy infected tissue
Citrus red mite
Signs: Silvery stippling on leaf surfaces; fruit russet; premature leaf drop in severe cases
Control: Horticultural oil or abamectin miticide; conserve predatory mites; avoid dusty conditions
Keep navel orange washington pest-free
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Navel Orange Washington pests — FAQ
What is eating my navel orange washington?
Washington Navel Orange is heavily targeted by citrus leafminer on new growth and by California red scale on bark and fruit. Asian citrus psyllid is a critical monitoring target in the US South and California due to HLB disease risk. Aphids and citrus red mite round out the regular pest complex. Wasps and birds attack ripe navel fruit.
How do I get rid of citrus leafminer on navel orange washington?
Serpentine silver mines in young leaves; curled, distorted new flushes reduce canopy development Spinosad or neem oil spray at each new flush; remove badly mined shoots
How do I get rid of california red scale on navel orange washington?
Dense round scales on branches and fruit rind; yellow halos; dieback on heavy infestations Horticultural oil at petal fall and again in summer; release Aphytis melinus parasitic wasps
How do I get rid of asian citrus psyllid on navel orange washington?
Waxy white tubular deposits on new growth; leaf cupping; possible HLB disease transmission Report to county ag extension if found; targeted insecticide (imidacloprid or foliar spinosad); remove and destroy infected tissue
How do I get rid of citrus red mite on navel orange washington?
Silvery stippling on leaf surfaces; fruit russet; premature leaf drop in severe cases Horticultural oil or abamectin miticide; conserve predatory mites; avoid dusty conditions