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The paper presents first records of Pemphigus populi Courchet, 1879 (Hemiptera, Aphidoidea, Eriosomatidae) from Poland with a short description of the morphological characteristics of its fundatrix and fundatrigenia. Special attention is paid to the characteristics which distinguish this species from other Polish as well as the Central and North European representatives of this genus on poplars (Populus spp.). Information on the biology and distribution of P. populi in the world are given. A key to Central and North European species of Pemphigus , based on their galls formed on the primary host plants is also provided.

entomologica fennica

First records of gall-inducing aphid &lt;i&gt;Pemphigus populi&lt;/i&gt; (Hemiptera: Aphidoidea, Eriosomatidae) in Poland with gall-based key to Central and North European species of the genus