Caryomyia caryae

(Osten Sacken, 1862)

Hickory Sticky Globe Gall Midge

Caryomyia caryae is a in the that induces distinctive globular on hickory leaves. The is one of several gall-forming associated with Carya species in eastern North America. Like other cecidomyiids, it manipulates tissue development through chemical secretions to create protective structures for its .

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Pronunciation

How to pronounce Caryomyia caryae: //ˌkæri.oʊˈmaɪ.a ˈkɛəri.aɪ//

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Identification

The of Caryomyia caryae are small, globular structures with a pointed tip, typically found on the undersides of hickory leaves. These sticky galls can be distinguished from other hickory galls by their compact spherical shape and point. Similar galls formed by Phylloxera on hickory tend to be larger, more irregular, or located on different parts such as and leaf .

Images

Habitat

Associated with hickory trees (Carya spp.), particularly in deciduous forest where trees occur.

Distribution

Eastern North America, where hickory are .

Seasonality

and formation occur during spring when hickory leaf break and new foliage develops.

Host Associations

Carya - on leavesForms on leaf undersides; specific hickory not documented in available sources

Ecological Role

As a inducer, the creates novel microhabitats on hickory leaves. These galls may provide shelter for other organisms and represent a form of - interaction that, while diverting resources, typically causes minimal harm to established trees.

Similar Taxa

Phylloxera caryaecaulisAlso forms on hickory, but produces larger, more irregular globular galls typically on leaf and rather than leaf undersides; belongs to a different (: vs. )

More Details

Gall morphology

The specific epithet 'caryae' reflects the -level association with Carya. The 'sticky globe' refers to the 's texture and shape.