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A NEW SPECIES OF UROLEUCON (HOM. APHIDIDAE) ON ANDRYALA SPP.: A MULTIVARIATE ANALYSIS

Published online by Cambridge University Press:  31 May 2012

E.J. Tizado  and
J.M. Nieto Nafría
E.J. Tizado
Affiliation:
Dpto. de Ingeniería Agroforestal y Producción Vegetal, Universidad de Santiago, E-27002 Lugo, Spain
J.M. Nieto Nafría
Affiliation:
Dpto. de Biología Animal, Universidad de León, E-24071 Leon, Spain
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Abstract

A study of different biometrie data of populations of Uroleucon (U.) picridis (F., 1775) sensu lato using canonical discriminant analysis resulted in the separation of two morphological groups. Exchange of host plants allowed us to conclude that the two groups correspond to two different species: Uroleucon (U.) picridis and Uroleucon (U.) mierae sp.nov. This latter species was described and a key to the identification of both species was given.

Résumé

Le traitement de différentes séries de données biométriques sur des populations d’Uroleucon (U.) picridis (F., 1775) sensu lato au moyen d’une analyse canonique discriminante a mis en lumière l’existence de deux groupes morphologiques différents. Le remplacement des plantes hôtes a permis de conclure que les deux groupes correspondent à deux espèces : Uroleucon (U.) picridis et Uroleucon (U.) mierae sp.nov. On trouvera ici la description de la nouvelle espèce ainsi qu’une clé d’identification des deux espèces.

[Traduit par la Rédaction]

Type
Articles
Information
The Canadian Entomologist , Volume 126 , Issue 5 , October 1994 , pp. 1251 - 1261
Copyright
Copyright © Entomological Society of Canada 1994

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