genus Psylla

Member of jumping plant lice (family Psyllidae)
psylloids (superfamily Psylloidea)
plant-parasitic hemipterans (suborder Sternorrhyncha)
insects (class Insecta)
hexapods (subphylum Hexapoda)
arthropods (phylum Arthropoda)
animals (kingdom Animalia)

Caution: There may be wild species of this genus not yet included in this guide.

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• prefers new growth
• compare to woolly alder aphid (Prociphilus tessellatus), which prefers bark (and is only found in the eastern states)

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Chris’s observations: none

Taxon info: iNaturalist – BugGuide

Bay Area species: iNaturalist