1. Mise en evidence d'une attraction secondaire d'origine sexuelle chez Blastophagus destruens Woll. (Col.: Scol.);Carle;Ann. Zool.-Ecol. anim.,1974
2. Laboratory experiments on the olfactory orientation of Blastophagus piniperda L. (Col.: Scol.) to substances isolated from pine rind;Kangas;Acta Ent. Fenn.,1967
3. Physical and chemical stimuli effecting the behaviour of Blastophagus piniperda L. and B. minor Hart. (Col.: Scol.);Kangas;Acta Ent. Fenn.,1971
4. Aspects of the external and internal factors affecting the olfactory orientation of Blastophagus piniperda L. (Col.: Scol.);Perttunen;Contrib. Boyce Thompson Inst.,1970