Lünderstädt, J. 1998 Impact of external factors on the population dynamics of beech scale (Cryptococcus fagisuga) (Hom., Pseudococcidae) in beech (Fagus sylvatica) stands during the latency stage.. Journal of Applied Entomology 122: 319-322.

Notes: [Ed. note: Beech scale belongs to Eriococcidae.] Investigation of infestation dynamics of Cryptococcus fagisuga on host, Fagus sylvatica during latency stage from 1988 to 1995 by means of a differential analysis. In almost all cases the beeches of the higher diameter classes on the strongly thinned plots were attacked significantly more than the corresponding ones on the moderately thinned plots. Increasing infestation was promoted by a decreasing flushing status on dry stands and by an increasing flushing status on moister stands.