Rileya

Rileya is a of in the Eurytomidae comprising 27 described . Members of this genus are known to develop as parasitoids within galls formed by gall midges (Cecidomyiidae) on various plants, particularly in the Myrtaceae family. The genus has been recorded from the United States through Central America and across much of South America, with multiple species described from Brazil.

Rileya heterogaster by the Smithsonian. Used under a CC0 license.Rileya americana by the Smithsonian. Used under a CC0 license.Rileya americana by the Smithsonian. Used under a CC0 license.

Pronunciation

How to pronounce Rileya: /ˈraɪliə/

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Habitat

Associated with gall-forming insects on plants; specifically recorded from leaf galls and fruit galls on Eugenia uniflora (Myrtaceae) and galls on unidentified plants in protected areas such as Estação Ecológica de Jataí in São Paulo, Brazil.

Distribution

Americas: United States, Mexico, Guatemala, Rica, Dominican Republic, Jamaica, Venezuela, Brazil (Minas Gerais, Rio Grande do Sul, Goiás, São Paulo, Santa Catarina).

Host Associations

  • Eugeniamyia dispar (Diptera: Cecidomyiidae) - leaf gall maker on Eugenia uniflora
  • Unidentified Cecidomyiidae (Diptera) - fruit gall maker on Eugenia uniflora
  • Zalepidota sp. (Diptera: Cecidomyiidae) - gall inducer on unidentified plant
  • Eugenia uniflora L. (Myrtaceae) - plantsupports gall-forming

Life Cycle

Develops within galls formed by cecidomyiid gall-makers; reared from both leaf galls and fruit galls.

Behavior

have been collected using and by rearing from galls.

Ecological Role

of gall-forming cecidomyiid ; potentially regulates of these gall-makers on plants.

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Sources and further reading