Effect of nuclear polyhedrosis virus inNeodiprion sertifer (Geoffr.) [Hymenoptera: Diprionidae] at different temperatures S. Tvermyr Mémoires Originaux Pages: 245 - 250
Freilandversuch zur biologischen Bekämpfung des TannentriebwicklersChoristoneura murinana (Hübn.) mit Granuloseviren J. Schönherr Mémoires Originaux Pages: 251 - 260
Contribution a l'etude de trois especes d'eulophides [Hym. Chalcidoidea] parasites de la tordeuse grise du meleze,Zeiraphera diniana Guenee [Lep. Tortricidae] en haute-engadine J. P. Aeschlimann Mémoires Originaux Pages: 261 - 320
The natural enemies of the armored scale lady-beetleChilocorus bipustulatus [Col. Coccinellidae] U. Yinon Mémoires Originaux Pages: 321 - 328
Host acceptance and oviposition byPodagrion meridionale Masi D. Gerling Mémoires Originaux Pages: 329 - 334
Alternative differential mortality of the sexes concomitant to sex differentiation in host relations Stanley E. Flanders Mémoires Originaux Pages: 335 - 346
