Adaina

Tutt, 1905

Species Guides

7

Adaina is a of plume moths (Pterophoridae) established in 1905, comprising approximately 42 described . The genus is characterized by split or divided wings typical of the , with species distributed across the Americas. Several species have documented larval associations with Asteraceae plants, with some exhibiting gall-inducing and others feeding on inflorescences.

Adaina bipunctatus by (c) Victor Engel, some rights reserved (CC BY), uploaded by Victor Engel. Used under a CC-BY license.Adaina simplicius by (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist. Used under a CC-BY license.Adaina montanus by (c) Dan MacNeal, some rights reserved (CC BY), uploaded by Dan MacNeal. Used under a CC-BY license.

Pronunciation

How to pronounce Adaina: /əˈdaɪ.nə/

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Identification

within Adaina can be distinguished by wing pattern and genitalia . For example, A. azapensis and A. jobimi, though morphologically similar in larval form and feeding , are separated by distinct wing patterns and genitalia details. has been employed to confirm species boundaries, with sister species showing genetic distances around 7.8% (Kimura 2-parameter model).

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Habitat

have been documented in arid highlands of the western Andes slopes, transverse valleys of the Atacama Desert, and other South American environments. The occupies a range of across the Americas, though specific habitat preferences vary by species.

Distribution

Documented from North, Central, and South America. Specific records include: northern Chile (A. jobimi, A. azapensis, A. coquimboae), Argentina, Ecuador, and Peru (A. excreta). The discovery of A. jobimi filled a significant distribution gap in mainland South America west of the Andes Range.

Diet

Larvae of multiple feed on Asteraceae. A. jobimi and A. azapensis larvae are florivorous, feeding on inflorescences of Baccharis alnifolia and Pluchea chingoyo respectively. A. primulacea and A. microdactyla larvae induce stem galls on Chromolaena odorata and Eupatorium cannabinum. feeding habits are not documented.

Host Associations

  • Baccharis alnifolia (Asteraceae) - larval A. jobimi larvae feed and pupate on inflorescences
  • Pluchea chingoyo (Asteraceae) - larval A. azapensis larvae feed on inflorescences
  • Chromolaena odorata (Asteraceae) - larval A. primulacea larvae induce stem galls
  • Eupatorium cannabinum (Asteraceae) - larval A. microdactyla larvae induce stem galls

Life Cycle

Larvae of studied feed and pupate on plant inflorescences. Specific developmental stages and timing are documented for individual species but not generalized across the .

Behavior

Larval includes florivory (feeding on flowers) and gall induction. A. azapensis and A. jobimi exhibit similar larval feeding behaviors despite occupying different . are , as typical for Pterophoridae.

Ecological Role

As herbivores, larvae influence plant reproductive output through florivory or gall induction. Specific functions beyond herbivory are not documented.

Similar Taxa

  • Other Pterophoridae generaAdaina share the divided wing characteristic of plume moths, but are distinguished by genitalia morphology and wing pattern details. analysis suggests the current circumscription of Adaina may require taxonomic revision.

More Details

Taxonomic uncertainty

Mitochondrial analysis of A. azapensis and A. jobimi supports their placement in Adaina but indicates that the current generic circumscription may need re-evaluation. The contains approximately 42 described as of 2023.

Distribution gaps

The discovery of A. jobimi in 2020 represented the first record of the west of the Andes Range in mainland South America, highlighting that Adaina diversity in underexplored regions remains incompletely documented.

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Sources and further reading