Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Klipstein, E. L. 1986a. Cytologic und Spermapolyploidie bei Pityogenes chalcogaphus L. (Col., Scolytidae) [Cytology and spermpolyploidy in Pityogenes chalcographus] [English summary]. Journal of Applied Entomology 102: 285-295.