A comparative study of the effect of some pesticides on three predacious mite species:Typhlodromus pyri, Amblyseius potentillae andA. bibens [Acarina: Phytoseiidae] W. P. J. OvermeerA. Q. van Zon OriginalPaper Pages: 3 - 9
Caractérisation enzymatique deTrichogramma evanescens et deT. Maidis [Hym.: Trichogrammatidae]; Étude des hybrides B. PintureauM. Babault OriginalPaper Pages: 11 - 22
The parasitoids ofSpodoptera littoralis [Lep.: Noctuidae] and their role in population control in Cyprus W. R. Ingram OriginalPaper Pages: 23 - 37
Sex ratios of adultScymnodes lividigaster andLeptothea galbula [Col.: Coccinellidae], sampled in the field J. M. E. Anderson OriginalPaper Pages: 39 - 45
Sensibilité comparée, en fonction de leur âge, des chenilles deLymantria dispar, Mamestra brassicae etSpopoptera littoralis aux virus de la polyédrose nucléaire A. BurgerjonG. BiacheZoé Petré OriginalPaper Pages: 47 - 58
Augmentative release ofLixophaga diatraeae [Dip.: Tachnidae] for suppression of early-season sugarcane borer populations in Louisiana E. G. KingJ. SanfordD. F. Martin OriginalPaper Pages: 59 - 69
Utilisation de HT18O pour mesurer la consommation alimentaire chez les larves agées deSemiadalia iinotata [Col.: Coccinellidae] A. FerranA. BuscarletM. M. Larroque OriginalPaper Pages: 71 - 77
Cross-infectivity and activation studies with four baculoviruses D. J. McKinleyD. A. BrownK. A. Harrap OriginalPaper Pages: 79 - 90
Hyphomycètes prédateurs de nématodes dans une prairie du Limousin Michèle Peloille OriginalPaper Pages: 91 - 98
The effects of serial passage of a nucleopolyhedrosis virus through an alternate host system O. H. PavanD. G. BouciasJ. C. Pendland OriginalPaper Pages: 99 - 108
Diagnostic manual for the identification of insect pathogens B. Hurpin Analyse Bibliographique Pages: 109 - 109