The studies were conducted in Lublin in the years 1999-2001 in two sites (street and park ones) on the trees Crataegus x inedia Bechst. The purpose was to determine the domination and frequency of particular aphid species. their effect on the decorative character of plants as well as the occurrence of the aphidophagous in aphid colonies. It was found out that A. https://www.chiggate.com/philadelphia-eagles-mitchell-ness-head-coach-hoodie-sale/