First American Records of Aphis intybi (Hemiptera: Aphididae) with Notes on Two Other Related Adventive Species in Argentina

Authors

  • M. Pilar Mier Durante
  • Robert Foottit
  • Carol D. Von Dohlen
  • Jaime Ortego

Abstract

Aphis intybi Koch is recorded for the first time in North and South America. Measurements for the identification of this species in comparison with Aphis craccivora Koch are given. Aphis cytisorum Hartig is recorded for the third time in Argentina. Data on morphological variation, geographical distribution, and host plants of these species in Argentina are provided. Their morphological identification is supported by comparison of DNA sequences of the mitochondrial cytochrome oxidase subunit 1 (DNA barcode) and subunit 2.

Resumen: Aphis intybi Koch se cita por primera vez tanto en América del Sur como del Norte. Se aportan características métricas para la identificación de la especie en comparación con Aphis craccivora Koch. Aphis cytisorum Hartig se cita por tercera vez en la Argentina. Se aportan datos sobre la variación morfológica, así como sobre la distribución geográfica y las plantas hospedadoras en Argentina de esas especies. Las identificaciones morfológicas han sido corroboradas mediante comparaciones de las secuencias de la citocromo oxidasa I (DNA barcode) y de la citocromo oxidasa II del DNA mitocondrial.

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Published

2012-12-01

Issue

Vol. 95, No. 4 (December 2012)

Section

Research Papers

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