Its primary injured symptom is to form galls. Species of the Adelgidae mostly infest on the following plants, such as Picea, Pinus, Larix and Abies. There is a parallel evolvement between the aphids and their host plants.

• 球蚜科物种专性寄生在松科植物上,主要包括云杉属Picea、松属Pinus、落叶松属Larix、冷杉属Abies等属的植物,在蚜虫物种和寄主植物之间存在着平行演化的现象;