Atymna castaneae

(Fitch, 1851)

Atymna castaneae is a in the Membracidae, first described by Asa Fitch in 1851. It is a herbivore restricted to chestnut trees (Castanea spp.), feeding on both the American chestnut (C. dentata) and Allegheny chinquapin (C. pumila). The species epithet directly reflects this association. Its historical distribution across eastern North America has been impacted by the decline of its primary host due to chestnut blight.

Pronunciation

How to pronounce Atymna castaneae: //əˈtɪmnə kastəˈni.aɪ//

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Habitat

Associated with chestnut trees (Castanea spp.), including forested areas and woodlands where these plants occur. The is dependent on the presence of its host trees for survival.

Distribution

Eastern North America. GBIF records indicate presence in Chihuahua (Mexico), Connecticut, District of Columbia, Georgia, and Indiana.

Seasonality

Active from May to August.

Diet

Feeds on trees of the Castanea (chestnuts), specifically documented on American chestnut (Castanea dentata) and Allegheny chinquapin (Castanea pumila).

Host Associations

Castanea dentata - American chestnut; primary tree
Castanea pumila - Allegheny chinquapin; documented

More Details

Host plant decline impact

The American chestnut (Castanea dentata), a primary of Atymna castaneae, was devastated by chestnut blight (Cryphonectria parasitica) beginning in the early 20th century. The loss of this keystone tree likely reduced available and host resources for this , though the species has been documented persisting on remaining chestnut and related Castanea species.