1. Important announcement

   Announcement Pages: I - I

2. Insect antifeedant properties of anthranoids from the genusVismia

   • M. S. J. Simmonds
   • W. M. Blaney
   • G. B. Marini Bettolo

   OriginalPaper Pages: 1593 - 1599

3. Role of plant volatiles in resistance of selected rice varieties to brown planthopper,Nilaparvata lugens (Stål) (Homoptera: Delphacidae)

   • R. C. Saxena
   • S. H. Okech

   OriginalPaper Pages: 1601 - 1616

4. Compared behavioral responses of maleDrosophila melanogaster (Canton S) to natural and synthetic aphrodisiacs

   • C. Antony
   • T. L. Davis
   • J. -M. Jallon

   OriginalPaper Pages: 1617 - 1629

5. Commercial hollow-fiber pheromone formulations: The degrading effect of sunlight on celcon fibers causing increased release rates of the active ingredient

   • Iain Weatherston
   • David Miller
   • Jany Lavoie-Dornik

   OriginalPaper Pages: 1631 - 1644

6. Attraction of moth species of Tortricidae, Gelechiidae, Geometridae, Drepanidae, Pyralidae, and Gracillariidae families to field traps baited with conjugated dienes

   • D. W. Reed
   • M. D. Chisholm

   OriginalPaper Pages: 1645 - 1657

7. Determination of chirality of alcohol or latent alcohol semiochemicals in individual insects

   • K. N. Slessor
   • G. G. S. King
   • T. L. Cutforth

   OriginalPaper Pages: 1659 - 1667

8. Genital sex pheromones of ixodid ticks: 1. Evidence of occurrence in anterior reproductive tract of American dog tick,Dermacentor variabilis (Say) (Acari: Ixodidae)

   • Daniel E. Sonenshine
   • Robert M. Silverstein
   • Vera B. Wang

   OriginalPaper Pages: 1669 - 1694

9. Disturbance pheromones in the crayfishOrconectes virilis

   • Brian A. Hazlett

   OriginalPaper Pages: 1695 - 1711

10. Isoflavonoid feeding deterrents forCostelytra zealandica Structure — Activity relationships

    • Geoffrey A. Lane
    • David R. Biggs
    • Deborah J. Donnell

    OriginalPaper Pages: 1713 - 1735

11. Effect of gamma irradiation on allelopathic potential ofSorghum bicolor against weeds and nitrification

    • Ibrahim S. AlSaadawi
    • Jawad K. Al-Uqaili
    • Ahlam J. AlRubeaa

    OriginalPaper Pages: 1737 - 1745

12. cis-Vaccenyl acetate as an aggregation pheromone inDrosophila melanogaster

    • Robert J. Bartelt
    • Angela M. Schaner
    • Larry L. Jackson

    OriginalPaper Pages: 1747 - 1756

13. Gaster flagging by fire ants (Solenopsis spp.): Functional significance of venom dispersal behavior

    • Martin S. Obin
    • Robert K. Vander Meer

    OriginalPaper Pages: 1757 - 1768