E.  Lindqvist, ?Blattwespen-Studien (Hymenoptera, Symphyta)?, Notulae Entomologicae, vol. 49, pp. 38-48, 1969.

E.  Lindqvist, ?Neue Nematinen aus Finnland. II.  (Hymenoptera, Tenthredinidae).?, Notulae Entomologicae, vol. 49, pp. 231-246, 1969.

E.  Lindqvist, ?Dolerus coracinus Klug, new for Finland  (Hymenoptera, Tenthredinidae)]?, Notulae Entomologicae, vol. 49, p.  285, 1969.

E.  Lindqvist, ?[Amauronematus terminalis Malaise, new for Finland  (Hymenoptera, Tenthredinidae)].?, Notulae Entomologicae, vol. 49, p. 286, 1969.