Aleurocanthus woglumi [Hom.: Aleyrodidae] andEncarsia opulenta [Hym.: Encyrtidae]: Density-dependent relationship between adult parasite aggregation and mortality of the host K. R. SummyF. E. GilstrapW. G. Hart OriginalPaper Pages: 107 - 112
Étude du phytoseiideCydnodromus chilenensis en vue de son utilisation contreTetranychus urticae en culture protégée de fraisier D. FournierM. PralavorioO. Pourriere OriginalPaper Pages: 113 - 120
Susceptibility of two Coconut Pests,Oryctes rhinoceros [Col.: Scarabaeidae] andTirathaba rufivena [Lep.: Pyralidae], to the entomoparasitic nematodeSteinernema feltiae [= Neoaplectana carpocapsae] B. Zelazny OriginalPaper Pages: 121 - 124
Effects of winter temperatures on the sex ratios ofAphytis melinus [Hym.: Aphelinidae] in the San Joaquin Valley of California R. W. HoffmannC. E. Kennett OriginalPaper Pages: 125 - 131
On the southern African species ofDiversinervus [Hymenoptera: Encyrtidae], with descriptions of two new species G. L. Prinsloo OriginalPaper Pages: 133 - 142
Malic enzyme, phosphoglucomutase and phosphoglucose isomerase isozymes inTrichogramma [Hym.: Trichogrammatidae] Akey C. F. HungShaotang Huo OriginalPaper Pages: 143 - 149
Pesticide-induced mortality of natural enemies of the onion maggot,Delia antiqua [Dip.: Anthomyiidae] R. I. CarruthersG. H. WhitfieldD. L. Haynes OriginalPaper Pages: 151 - 161
Parasitoids attackingBemisia tabaci [Hom.: Aleyrodidae] in Eastern Africa D. Gerling OriginalPaper Pages: 163 - 165
Transmission of a nuclear polyhedrosis virus inHeliothis zea [Lep.: Noctuidae] larval populations on soybean M. I. AliS. Y. YoungW. C. Yearian OriginalPaper Pages: 167 - 175
Screening of the insecticidal activity ofBacillus thuringiensis strains against the egyptian cotton leaf wormSpodoptera littoralis A. R. KalfonH. de Barjac OriginalPaper Pages: 177 - 186
Genetic and epigenetic variation inDrosophila larvae suitability to a hymenopterous endoparasitoid E. WajnbergG. PrévostM. Boulétreau OriginalPaper Pages: 187 - 191
Interactions betweenAcyrthosiphon kondoi [Homoptera: Aphidoidea] andAphelinus asychis [Hymenoptera: Chalcidoidea] and other parasites and hosts Mary CarverL. T. Woolcock OriginalPaper Pages: 193 - 198
Hexamermis glossinae [Nematoda: Mermithidae] parasitizing tsetse [Diptera: Glossinidae] in Kenya M. O. OdindoW. M. Hominick OriginalPaper Pages: 199 - 205