1. Factors influencing distribution ofDiabrotica spp. in blossoms of cultivatedCucurbita spp.

   • J. F. Andersen
   • R. L. Metcalf

   OriginalPaper Pages: 681 - 699

2. Field response of spruce bark beetle,Ips typographus, to aggregation pheromone candidates

   • Fredrik Schlyter
   • Göran Birgersson
   • Gunnar Bergström

   OriginalPaper Pages: 701 - 716

3. Human axillary extracts: Analysis of compounds from samples which influence menstrual timing

   • George Preti
   • Winnifred B. Cutler
   • Celso-Ramon Garcia

   OriginalPaper Pages: 717 - 731

4. Male-produced aggregation pheromone in pea and bean weevil,Sitona lineatus (L.)

   • Margaret M. Blight
   • Lester J. Wadhams

   OriginalPaper Pages: 733 - 739

5. Inducible versus constitutive PI 227687 soybean resistance to mexican bean beetle,Epilachna varivestis

   • Hsih-Shin Chiang
   • Dale M. Norris
   • Annie Oosterwyk

   OriginalPaper Pages: 741 - 749

6. Factors contributing to resistance of exotic maize populations to maize weevil,Sitophilus zeamais

   • A. Serratos
   • J. T. Arnason
   • P. Morand

   OriginalPaper Pages: 751 - 762

7. Phenolic acetogenins secreted by rhododendron lace bug,Stephanitis rhododendri Horvath (Hemiptera: Tingidae)

   • James E. Oliver
   • John W. Neal Jr.
   • William R. Lusby

   OriginalPaper Pages: 763 - 769

8. Isoflavonoids as insect feeding deterrents and antifungal components from root ofLupinus angustifolius

   • G. A. Lane
   • O. R. W. Sutherland
   • R. A. Skipp

   OriginalPaper Pages: 771 - 783

9. Isolation and identification of apolar metabolites of ingested 20-hydroxyecdysone in frass ofHeliothis virescens larvae

   • Isao Kubo
   • Sakae Komatsu
   • Gerrit de Boer

   OriginalPaper Pages: 785 - 794

10. Variation in host fruit volatiles attractive to apple maggot fly,Rhagoletis pomonella

    • Sigrid A. Carle
    • Anne L. Averill
    • Wendell L. Roelofs

    OriginalPaper Pages: 795 - 805

11. Quantitative and qualitative variation in male pheromones ofPhragmatobia fuliginosa andPyrrharctia isabella (Lepidoptera: Arctiidae)

    • Stuart B. Krasnoff
    • Louis B. Bjostad
    • Wendell L. Roelofs

    OriginalPaper Pages: 807 - 822

12. Semiochemicals produced by western balsam bark beetle,Dryocoetes confusus Swaine (Coleoptera: Scolytidae)

    • J. H. Borden
    • A. M. Pierce
    • A. C. Oehlschlager

    OriginalPaper Pages: 823 - 836

13. Activity of volatile compounds in glandular trichomes ofLycopersicon species against two insect herbivores

    • Sarah Y. H. Lin
    • John T. Trumble
    • Junji Kumamoto

    OriginalPaper Pages: 837 - 850

14. Increased scent marking in male Mongolian gerbils by urinary polypeptides of female conspecifics

    • B. Probst
    • M. Lorenz

    OriginalPaper Pages: 851 - 861

15. Synthesis and field bioassay of some analogs of sex pheromone of citrus mealybug,Planococcus citri (Risso)

    • Ezra Dunkelblum
    • Yair Ben-Dov
    • Lila Somekh

    OriginalPaper Pages: 863 - 871

16. Responses of plant-parasitic nematodeMeloidogyne incognita to carbon dioxide determined by video camera-computer tracking

    • Marc Pline
    • David B. Dusenbery

    OriginalPaper Pages: 873 - 888

17. Role of benzoxazinones in allelopathy by rye (Secale cereale L.)

    • Jane P. Barnes
    • Alan R. Putnam

    OriginalPaper Pages: 889 - 906

18. Identification of sex pheromone of calendula plume mothPlatyptilia williamsii

    • K. F. Haynes

    OriginalPaper Pages: 907 - 916

19. Lack of chemical factors in host-plant resistance of alfalfa towards alfalfa weevil: Ovicidal activity of some coumarin derivatives

    • David L. Dreyer
    • Kenneth C. Jones
    • Leonard Jurd

    OriginalPaper Pages: 917 - 924

20. Feeding deterrency of some 4-hydroxycoumarins and related compounds: Relationship to host-plant resistance of alfalfa towards pea aphid (Acyrthosiphon pisum)

    • David L. Dreyer
    • Kenneth C. Jones
    • Bruce C. Campbell

    OriginalPaper Pages: 925 - 930

21. Attraction of sphingid moths (Lepidoptera: Sphingidae) to 10,12-hexadecadienyl aldehydes and acetates: Evidence of pheromone components

    • D. W. Reed
    • E. W. Underhill
    • E. M. Giblin

    OriginalPaper Pages: 931 - 942

22. Technique for visualization of epidermal glandular structures in plants

    • Thomas Eisner
    • Maria Eisner
    • Jerrold Meinwald

    OriginalPaper Pages: 943 - 946

23. Interaction of nuclear polyhedrosis virus with catechols: Potential incompatibility for host-plant resistance against noctuid larvae

    • G. W. Felton
    • S. S. Duffey
    • J. Manning

    OriginalPaper Pages: 947 - 957

24. Semiochemical attractants ofDiabrotica undecimpunctata howardi barber, southern corn rootworm, andDiabrotica virgifera virgifera leconte, the western corn rootworm (Coleoptera: Chrysomelidae)

    • R. L. Lampman
    • R. L. Metcalf
    • J. F. Andersen

    OriginalPaper Pages: 959 - 975