Highlights in the development of the International Organization for Biological Control of noxious animals and plants J. M. Franz Opinions Pages: 131 - 134
The occurrence of Entomophthorales on the carrot fly [Psila rosae F.] in the field during two successive seasons J. EilenbergH. Philipsen OriginalPaper Pages: 135 - 144
Host recognition by the gypsy moth [Lymantria dispar] [Lep.: Lymantriidae] hyperparasite,Eurytoma appendigaster [Hym.: Eurytomidae] of cocoons ofCotesia melanoscela [Hym.: Braconidae] Ronald M. Weseloh OriginalPaper Pages: 153 - 161
Évaluation de la toxicité deBacillus thuringiensis surSpodoptera frugiperda J. L. Luis Hernandez OriginalPaper Pages: 163 - 171
Field predation of twospotted spider mite in a New Zealand strawberry crop M. R. ButcherD. R. PenmanR. R. Scott OriginalPaper Pages: 173 - 183
Biology ofTyta luctuosa [Lep.: Noctuidae] and its potential value as a biological control agent for the weedConvolvulus arvensis S. S. RosenthalS. L. ClementT. Mimmocchi OriginalPaper Pages: 185 - 192
Effects of temperature and photoperiod on the development and oviposition ofApanteles sp. groupUltor [Hym.: Braconidae], a larval parasite of the carob mothEctomyelois ceratoniae [Lep.: Pyralidae] S. K. Al-MalikyM. A. J. Al-IzziN. F. Jabbo OriginalPaper Pages: 193 - 200
Biological comparisons between arrhenotokous and thelytokous biotypes ofMesochorus nigripes [Hym.: Ichneumonidae] W. H. DayR. C. Hedlund OriginalPaper Pages: 201 - 210
Biology ofMicroplitis mediator [Hym.: Braconidae] a gregarious endoparasite ofAgrotis segetum [Lep.: Noctuidae] Said Mir KhanMustafa Özer OriginalPaper Pages: 211 - 217
Dicyphus tamaninii as a beneficial insect and pest in tomato crops in Catalonia, Spain R. GabarraC. CastañéR. Albajes OriginalPaper Pages: 219 - 228
Importation, colonization and establishment ofAnagyrus indicus [Hym.: Encyrtidae] onNipaecoccus viridis [Hom.: Pseudococcidae] in Jordan D. E. MeyerdirkS. KhasimuddinM. Bashir OriginalPaper Pages: 229 - 237
New techniques of rearingAnagrus flaveolus [Hym.: Mymaridae], an egg parasitoid of the brown planthopper Girish ChandraV. A. Dyck OriginalPaper Pages: 239 - 243
Laboratory rearing ofAnaphes sordidatus [Hym.: Mymaridae] on carrot weevil eggs [Col.: Curculionidae] Guy Boivin OriginalPaper Pages: 245 - 248
Hedges as potential sources ofTyphlodromus pyri, the most important predatory mite in vineyards of Northern Switzerland E. F. BollerU. RemundM. P. Candolfi OriginalPaper Pages: 249 - 255