Dryocosmus favus
(Beutenmueller, 1911)
Dryocosmus favus is a of gall wasp in the Cynipidae, first described by Beutenmueller in 1911. Members of the Dryocosmus are known to induce galls on oak trees (Quercus spp.). The species has been documented through a limited number of observations.
Pronunciation
How to pronounce Dryocosmus favus: /dɹaɪoʊˈkɒzməs ˈfeɪvəs/
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Identification
As a member of Cynipidae, D. favus likely exhibits the reduced wing venation typical of the , with forewings lacking a distinct stigma and possessing a characteristic reduced venation pattern. Specific diagnostic features distinguishing D. favus from such as D. okajimai are not documented in available sources.
Distribution
The has been recorded in North America based on iNaturalist observations; precise native range boundaries are not established in available literature.
Host Associations
- Quercus - gall induction Dryocosmus is associated with oak galls; specific records for D. favus are not confirmed in available sources.
Similar Taxa
- Dryocosmus okajimaiDescribed from Vietnam in 2024; differs in geographic distribution (Indochina vs. North America for D. favus) and likely in gall and oak .
More Details
Taxonomic Note
The Dryocosmus was established by Giraud in 1859. The specific epithet 'favus' (Latin for 'honeycomb') may refer to the internal structure of the gall, though this interpretation is speculative.