Estimations of number of active loci, dominance and heritability in polygenic inheritance of gregarious behavior inMuscidifurax raptorellus [Hymenoptera: Pteromalidae] E. F. Legner OriginalPaper Pages: 1 - 18
Development ofBrachymeria ovata [hymenoptera: chalcididae] in three noctuid hosts reared on artificial diet and insect-resistant and susceptible soybean genotypes D. J. RogersM. J. Sullivan OriginalPaper Pages: 19 - 27
Adaptation d'Oecophylla longinoda [Formicidae-Formicinae] aux variations spatio-temporelles de la densité de proies A. Dejean OriginalPaper Pages: 29 - 54
Results of the fifth joint pesticide testing programme carried out by the IOBC/WPRS-Working Group “Pesticides and beneficial organisms” S. A. HassanF. BiglerG. Viggiani OriginalPaper Pages: 55 - 67
The introduction ofMimorista pulchellalis [Lepidoptera: Pyraustidae] into South Africa for the biological control of jointed cactus,Opuntia aurantiaca 1. Biology and mass-rearing techniques E. Nieman OriginalPaper Pages: 69 - 76
The introduction ofMimorista pulchellalis [Lepidoptera: Pyraustidae] into South Africa for the biological control of jointed cactus,Opuntia aurantiaca. 2. Field evaluation E. Nieman OriginalPaper Pages: 77 - 86
Ultraviolet penetration of pine trees and insect virus survival H. J. KillickS. J. Warden OriginalPaper Pages: 87 - 94
Characteristic of parasitism of diamondback moth by two larval parasites N. S. TalekarJ. C. Yang OriginalPaper Pages: 95 - 104
Release density, efficiency and disappearance ofTrichogramma nubilale for control of European corn borer D. A. AndowD. R. Prokrym OriginalPaper Pages: 105 - 113
Host plant testing ofUrophora quadrifasciata [Diptera: Tephritidae] againstCarthamus tinctorius and two North American species ofCentaurea N. E. ReesJ. M. Story OriginalPaper Pages: 115 - 119
L'induction maternelle de la diapause larvaire chezDinarmus acutus [Hym.: Pteromalidae] G. FabresC. Reymonet OriginalPaper Pages: 121 - 129
Different responses of three predatory mite species toTetranychus urticae, Eriophyes dioscoridis andBrevipalpus pulcher: Evidence for the existence of kairomones and allomones Aly H. RasmyH. A. Abdel-RahmanH. E. Hussein OriginalPaper Pages: 131 - 137
Etudes comparatives de l'influence de la température et de la nourriture sur le développement deAmblyseius andersoni, Neoseiulus fallacis, Galendromus longipilus etTyphlodromus pyri [Acari: Phytoseiidae] M. GeniniA. KlayM. Baillod OriginalPaper Pages: 139 - 154