Kozár, F. 1989 Microhabitat specialization and similarity of scale-insect assemblages on different fruit trees and in different countries.. Ecological Entomology 14: 175-180.

Notes: Abstract: Coccoid fauna of apples, pears, peaches, plums, cherries & sour cherries sampled in Czechoslovakia, Greece, Hungary, Poland, Turkey & USSR; no clear niche expansion or niche segregation between species; even deciduous trees which are rich in coccoid species, are not fully utilized.