Feron bakkeri

The species is identified by the distinctive pink, pinched leaf galls it produces on oak foliage. The specific epithet and gall morphology distinguish it from other Feron species. The wasp itself is small and inconspicuous; identification relies primarily on gall characteristics and host association.

Found in oak woodland and scrub habitats supporting Oregon oak (Quercus garryana) and scrub oaks.

California and Oregon, western North America.

• Quercus garryana - gall inductionOregon oak
• scrub oaks - gall inductionQuercus spp., likely Q. berberidifolia or related species

Induces leaf galls through oviposition; the gall provides protected development site for larval stages.

As a gall inducer, modifies oak leaf tissue to create habitat for its own development. Galls may serve as food sources for gall-feeding birds and insects, and as microhabitats for inquilines and parasitoids.

Of minor economic or ornamental concern; galls may cause aesthetic damage to oak foliage but do not significantly harm tree health. Subject of interest to gall researchers and naturalists.

• FeronOther Feron species induce morphologically distinct galls on oaks; F. bakkeri is distinguished by its pink, pinched leaf gall morphology and specific host associations.
• AndricusFormerly placed in this genus; Andricus species generally induce different gall types (often bud or stem galls) and have been separated based on molecular phylogenetics.

• gall wasp
• oak gall
• leaf gall
• Cynipidae
• California
• Oregon
• Quercus

• BugGuide
• Wikipedia
• iNaturalist taxon