1. Effect of parent density on fecundity of two parasitoids [Hym.: Pteromalidae] of the olive beetle,Phloeotribus scarabaeoides [Col.: Scolytidae]

   • M. Campos
   • R. Gonzalez

   OriginalPaper Pages: 473 - 480

2. Predation of cotton leafworm first instar larvae,Alabama argillacea [Lep.: Noctuidae]

   • S. Gravena
   • H. F. Da Cunha

   OriginalPaper Pages: 481 - 491

3. Records on parasitoids of smaller poplar borer,Saperda populnea [Coleoptera, Cerambycidae] along the Danube in Bulgaria

   • G. Tsankov
   • G. Georgiev

   OriginalPaper Pages: 493 - 498

4. Variations d'abondance et facteurs de régulation de la Cochenille du maniocPhenacoccus manihoti [Hom.: Pseudococcidae] cinq ans après l'introduction d'Epidinocarsis lopezi [Hym.: Encyrtidae] parasitoïde néotropical au Congo en 1982

   • B. Le Rü
   • Y. Iziquel
   • A. Kiyindou

   OriginalPaper Pages: 499 - 511

5. Response ofChelonus blackburni [Hym.: Braconidae] to different ages and densities of potato tuber moth eggs

   • Chandish R. Ballal
   • Pradyumn Kumar

   OriginalPaper Pages: 513 - 518

6. Insect natural enemies of coffee green scales [Hemiptera: Coccidae] in Kenya and their potential for biological control ofCoccus celatus andC. viridis in Papua New Guinea

   • S. T. Murphy

   OriginalPaper Pages: 519 - 529

7. Parasitoids of the gall-forming aphidSmynthurodes betae [Aphidoidea: Fordinae] in Israel

   • D. Wool
   • M. Burstein

   OriginalPaper Pages: 531 - 538

8. Influence of pesticide treatments on consumption ofTetranychus urticae [Acarina: Tetranychidae] eggs byPhytoseiulus persimilis [Acarina: Phytoseiidae]

   • F. L. Petitt
   • D. J. Karan

   OriginalPaper Pages: 539 - 545

9. Influence ofOnthophagus gazella on hornfly,Haematobia irritans density in irrigated pastures

   • E. F. Legner
   • R. W. Warkentin

   OriginalPaper Pages: 547 - 553

10. Biology and comparative predation efficacy of three heteropteran species recorded as predators ofBemisia tabaci in Maharashtra

    • M. N. Kapadia
    • S. N. Puri

    OriginalPaper Pages: 555 - 559

11. ReleasingAmblyseius spp. [Acarina: Phytoseiidae] to controlThrips tabaci [Thysanoptera: Thripidae] on cabbage

    • C. W. Hoy
    • C. S. Glenister

    OriginalPaper Pages: 561 - 573

12. Laboratory biology and host range ofHydrellia balciunasi [Diptera: Ephydridae]

    • G. R. Buckingham
    • E. A. Okrah
    • Maude Christian-Meier

    OriginalPaper Pages: 575 - 586

13. Biological studies of the predacious miteTyphlodromus pelargonicus a predator of the two spotted spider miteTetranychus urticae on cucumber plants [Acari: Phytoseiidae; Tetranychidae]

    • E. M. El-Banhawy
    • M. E. El-Bagoury

    OriginalPaper Pages: 587 - 591

14. The effect of host age ofLymantria dispar larvae [Lep.: Lymantriidae] on the development ofGlyptapanteles liparidis [Hym.: Braconidae]

    • A. Schopf

    OriginalPaper Pages: 593 - 604

15. Life cycle and abundance oflongitarsus jacobaeae [Col.: Chrysomelidae], biocontrol agent ofSenecio jacobaea

    • J. J. Windig

    OriginalPaper Pages: 605 - 618

16. Remerciements

    Legacy Pages: 619 - 619