Amphibolips quercusostensackenii
Bassett, 1863
Small Oak Apple Gall Wasp
Amphibolips quercusostensackenii is a gall wasp in the Cynipidae that induces distinctive galls on red oak leaves. The was reclassified from Andricus to Amphibolips in 2002 based on . It is distributed throughout eastern North America.
Pronunciation
How to pronounce Amphibolips quercusostensackenii: /æmˌfaɪbəˈlɪps ˌkwɜrkjuˌsoʊstɛnˈsækəniˌaɪ/
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Identification
Galls are globular, 7–9 mm in diameter, and form on leaves of red oaks (Quercus sect. Lobatae). Each gall contains a central supported by filaments where occurs. The distinguishes this from related formerly placed in Andricus.
Images
Habitat
Associated with forests and woodlands containing members of the red oak group (Quercus sect. Lobatae).
Distribution
Eastern North America.
Seasonality
Galls develop in spring. have been observed emerging between 8 and 15 July in the Chicago area.
Host Associations
- Quercus sect. Lobatae - induces galls on leavesred oak group
Life Cycle
Larval development occurs within leaf galls. takes place in a central filament-supported inside the gall. emerge in mid-July in at least part of the range.
Similar Taxa
- Andricus spp.Formerly classified in this ; distinguished by per 2002 revision
- Other Amphibolips speciesShare and gall-inducing habit on oaks; specific gall and association (red oaks only) may aid separation
More Details
Taxonomic History
Originally described in Andricus; transferred to Amphibolips in 2002 based on morphological analysis of .