Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Novak, B. 1976. Diurnalni aktivita druhu Hylesinus fraxini (Panz) za vyletu imag z napadenych vetvi jasanu (Col, Scolytidae) . Acta Universitatis Palackianae Olomucensis Facultas Rerum Naturalium 51:141-148.