Xanthopastis

Hübner, 1821

Spanish moth

Species Guides

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Xanthopastis is a of in the Noctuidae, established by Hübner in 1821. The genus contains at least three described , including Xanthopastis timais, commonly known as the Spanish moth. Members of this genus are notable for their association with ornamental plants and their role as for flies. The Spanish moth has been documented as a pest of amaryllis .

Xanthopastis by (c) Neptalí Ramírez Marcial, some rights reserved (CC BY), uploaded by Neptalí Ramírez Marcial. Used under a CC-BY license.Xanthopastis regnatrix by (c) Laura Gaudette, some rights reserved (CC BY), uploaded by Laura Gaudette. Used under a CC-BY license.Xanthopastis regnatrix larva by Image shared by iNaturalist user: mfeaver. Used under a CC BY 4.0 license.

Pronunciation

How to pronounce Xanthopastis: //zænˈθoʊˌpæstɪs//

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Diet

Caterpillars of Xanthopastis timais feed on the leaves and bulbs of amaryllis (Amaryllidaceae). Specific diet information for other in the is not documented.

Host Associations

  • amaryllis - food plantXanthopastis timais caterpillars feed on leaves and bulbs

Ecological Role

Xanthopastis timais serves as a for the tachinid fly Lespesia melloi, a that deposits into or on caterpillars. The fly larvae consume the caterpillar host upon hatching.

Human Relevance

Xanthopastis timais is considered a pest of amaryllis . The 's caterpillars damage leaves and bulbs, limiting commercial production of this ornamental plant in regions where pressure from the moth is high. The fly Lespesia melloi has been identified as a potential agent.

More Details

Parasitoid Research

The Xanthopastis timais was the subject of a 2013 study describing the new tachinid species Lespesia melloi (Diptera: Tachinidae) from Brazil, which parasitizes this .

Taxonomic History

The was established by Jacob Hübner in 1821 and currently contains three recognized : Xanthopastis moctezuma (Dyar, 1913), Xanthopastis regnatrix (Grote, 1863), and Xanthopastis timais (Cramer, [1780]).

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Sources and further reading