Tytuł pozycji:
Rodzaje galasów tworzonych przez bawełnice (Eriosomatidae) na topoli czarnej (Populus nigra)
The observations carried out in city greenery and ornamental nurseries proved that there are six species of woolly aphids (Eriosomatidae) forming galls: on the leaf petiole – Pemphigus bursarius and Pemphigus spyrothecae; on the main nerve of leaf lamina – Pemphigus populi and P. populinigrae; on leaf lamina – Thecabius affinis and T. lysimachiae. Descriptions and photographs of galls formed by woolly aphids are given.