Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Boas, J. E. V. 1900. Yderligere Bemaerkninger om Hylesinuspiniperda's Indvirkning paa Fyrrens Udseende og Form. Tidsskrift for Skovvaesen 9:40-45, 3 Taf.