Longevity and development of the egg-parasitoid,Cheiloneurus pyrillae [Hymenoptera: Encyrtidae] at different combinations of temperature and relative humidity R. P. YadavJ. P. Chaudhary OriginalPaper Pages: 107 - 111
Hymenopterous parasitoids of bark beetles [Scolytidae] in Israel: Host relation, host plant, abundance and seasonal history Z. Mendel OriginalPaper Pages: 113 - 125
Hymenopterous parasitoids of bark beetles [Scolytidae] in Israel: Relationships between host and parasitoid size, and sex ratio Z. Mendel OriginalPaper Pages: 127 - 137
Three new species ofAphytis [Hymenoptera: Aphelinidae], parasites ofPseudaulacaspis spp. [Homoptera: Diaspididae] in India and Australia D. RosenP. DeBach OriginalPaper Pages: 139 - 151
Use of parasite regulation of host endocrinology to enhance the potential of biological control D. Jones OriginalPaper Pages: 153 - 161
Distribution and effectiveness ofAnaphes diana [=Patasson lameerei] [Hym.: Mymaridae], a parasitoid ofSitona spp. Eggs [Col.: Curculionidae] in the Mediterranean region J. P. Aeschlimann OriginalPaper Pages: 163 - 172
Preliminary studies on the efficacy and establishment ofRoptrocerus xylophagorum [Hym.: Torymidae], a parasitoid ofIps grandicollis [Col.: Scolytidae], in Australia P. R. SamsonJ. Smibert OriginalPaper Pages: 173 - 182
Dung beetle distribution patterns in the Iberian peninsula A. A. KirkT. J. Ridsdill-Smith OriginalPaper Pages: 183 - 190
Isolation of spore-forming bacilli from mosquitoes in natural breeding habitats in Iraq Z. H. MohsenM. A. K. IbrahimN. S. Al-Jadooa OriginalPaper Pages: 191 - 196
Preliminary experiments on the potential of hoverflies [Dipt.: Syrphidae] for the control of aphids under glass R. J. Chambers OriginalPaper Pages: 197 - 204
Predation ofOligonychus pratensis [Aca.: Tetranychidae] byPhytoseiulus persimilis andAmblyseius californicus [Aca.: Phytoseiidae] under controlled laboratory conditions C. H. PickettF. E. Gilstrap OriginalPaper Pages: 205 - 212