Detection of Drepanaphis acerifoliae (Thomas) [Hemiptera: Aphididae: Drepanosiphinae] Sugar maple trees, Acer saccharinum, in Spain
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The nearctic species Drepanaphis acerifoliae (Thomas) is reported for the first time in the Iberian Peninsula, on sugar maple trees (Acer saccharinum) used in landscape gardening. The species, already known in Europe (Italy), was detected in Lleida, Spain, in 2006 and in two localities in León province in 2007, where abundant colonies were causing problems due to the honeydew they excreted. Metric and meristic data on the alatae viviparous females and sexuals (oviparous females and males) are given.