Published online by Cambridge University Press: 31 May 2012
Blanchardia gen.nov. and its type species Blanchardia poikila sp.nov. are described and the new combination Blanchardia capitophoroides is established for Macrosiphum capitophoroides Blanchard, 1944. The new genus forms part of the Macrosiphum group and it is characterized by the presence of one to three poorly defined rows of cells on the apex of siphunculus. Both species live on Senecio in Patagonia, Mendoza Province, Argentina.
Nous faisons la description de Blanchardia gen.nov. et de sa espèce type Blanchardia poikila sp.nov., et nous établissons une nouvelle combinaison Blanchardia capitophoroides pour Macrosiphum capitophoroides Blanchard, 1944. Le nouveau genre appartient au groupe Macrosiphum des Macrosiphini (Aphididae Aphdidinae) et il est characterisé par la présence d’une reticulation apical mal définie et pauvre aux cornicules (1 à 3 lignes seulement). Les deux espèces sont inféodées sur Senecio et elles habitent à la Patagonie, province de Mendoza, Argentine.
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