live oak erineum mite

Aceria mackiei

Member of gall and rust mites (family Eriophyidae)
endeostigmatan mites (suborder Endeostigmata)
mites and ticks (subclass Acari)
arachnids (class Arachnida)
chelicerates (subphylum Chelicerata)
arthropods (phylum Arthropoda)
animals (kingdom Animalia)
oak galls
galls

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

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• forms hairy pits on lower leaf surfaces of red oaks (section Lobatae) (specifically, the live oaks) and canyon live oak (Quercus chrysolepis)

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Chris’s observations: 2 (all are research grade)

Locations:

• Coyote Valley OSP
• Edgewood Park & Natural Preserve

Months:

• Nov.: 2

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Taxon info: iNaturalist – BugGuide – Gallformers

Bay Area species: iNaturalist