Furthermore, Adelgidae species in China includes 20 known species in 6 genera and mainly on Palaearctic Regions.
中国球蚜科有6属20种，分布在黑龙江、云南、四川等地，主要是古北区成分。
2
The distribution of Adelgidae is coincident with their host plants, mainly in temperate zone and sub-tropical mountainous areas of the Northern Hemisphere.
球蚜的分布与寄主植物的分布相一致，主要是北半球温带和亚热带高山。
3
Adelgidae has multifarious life history that consist of heteroecious holocyclic, heteroecious anholocyclic and monoecious anholocyclic. Its primary injured symptom is to form galls.