Molecular, morphological, and biological differentiation between Anagrus virlai sp. n., an Egg parasitoid of the Corn Leafhopper Dalbulus maidis (Hemiptera: Cicadellidae) in the New World, and Anagrus incarnatus from the Palaearctic region (Hymenoptera: Mymaridae).

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Author(s): TRIAPITSYN, S. V.; RUGMAN-JONES, P. F.; TRETIAKOV, P. S.; ALBARRACIN, E. L.; MOYA-RAYGOZA, G.; SILVA, R. B. Q. da

Summary: The common New World egg parasitoid of the corn leafhopper Dalbulus maidis (DeLong) (Hemiptera: Cicadellidae), an economically important pest of maize from Argentina to southern USA, has long been misidentified as the Palaearctic species Anagrus incarnatus Haliday or its synonym A. breviphragma Soyka (Hymenoptera: Mymaridae). Using a combination of genetic and morphometric methods, and available biological information, specimens reared from eggs of D. maidis in Argentina and Mexico, described and illustrated here as Anagrus ) virlai Triapitsyn sp. n., are shown to be different from those of A. incarnatus from the Palaearctic region. Mitochondrial and nuclear ribosomal DNA sequence data provide clear evidence for the separation of the two species. Anagrus virlai is also known from Brazil, Colombia, Guadeloupe (France), and Guyana.

Publication year: 2018

Types of publication: Journal article

Unit: Embrapa Mid-North

Keywords: Anagrus, Dalbulus maidis, Maize, Milho, Mymaridae, Parasitóide de ovos, Taxonomia, Taxonomy

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