1. Editorial

   • R. M. Silverstein
   • J. B. Simeone

   EditorialNotes Pages: 1 - 1

2. Sex pheromone components of the obliquebanded leafroller moth,Choristoneura rosaceana

   • A. S. Hill
   • W. L. Roelofs

   OriginalPaper Pages: 3 - 11

3. Isolation and identification of volatiles in the foliage of potato,Solanum tuberosum, a host plant of the colorado beetle,Leptinotarsa decemlineata

   • J. H. Visser
   • S. van Straten
   • H. Maarse

   OriginalPaper Pages: 13 - 25

4. Identification of the sex pheromone of the yellow scale

   • M. J. Gieselmann
   • D. S. Moreno
   • W. L. Roelofs

   OriginalPaper Pages: 27 - 33

5. Tandem calling pheromone in the genusLeptothorax (Hymenoptera: Formicidae): Behavioral analysis of specificity

   • Michael Möglich

   OriginalPaper Pages: 35 - 52

6. Species-specific natural products of adult male leaf-footed bugs (Hemiptera: Heteroptera)

   • J. R. Aldrich
   • M. S. Blum
   • H. M. Fales

   OriginalPaper Pages: 53 - 62

7. Production of cardiac glycosides by chrysomelid beetles and larvae

   • D. Daloze
   • J. M. Pasteels

   OriginalPaper Pages: 63 - 77

8. Secondary attraction inGnathotrichus retusus and cross-attraction ofG. sulcatus (Coleoptera: Scolytidae)

   • J. H. Borden
   • J. A. McLean

   OriginalPaper Pages: 79 - 88

9. Effect of gross cardiac glycoside content of seeds of common milkweed,Asclepias syriaca, on cardiac glycoside uptake by the milkweed bugOncopeltus fasciatus

   • Frank A. Vaughan

   OriginalPaper Pages: 89 - 100

10. An improved preparation of some insect sex attractants: Synthesis and separation of geometrical isomers by formation of urea complexes

    • Graham Leadbetter
    • J. R. Plimmer

    OriginalPaper Pages: 101 - 108

11. Specialization of olfactory cells to insect-and host-produced volatiles in the bark beetleIps pini (say)

    • H. Mustaparta
    • M. E. Angst
    • G. N. Lanier

    OriginalPaper Pages: 109 - 123

12. Pheromone of the male flesh fly,Sarcophaga bullata

    • J. E. Girard
    • F. J. Germino
    • M. P. Garrity

    OriginalPaper Pages: 125 - 130

13. Electroantennogram responses of two populations ofIps pini (Coleoptera: Scolytidae) to insect-produced and host tree compounds

    • Max E. Angst
    • Gerald N. Lanier

    OriginalPaper Pages: 131 - 140

14. The ophiophage defensive response in crotaline snakes: Extension to new taxa

    • Paul J. Weldon
    • Gordon M. Burghardt

    OriginalPaper Pages: 141 - 151

15. Components of the sex pheromone of the female spotted stalk borer,Chilo partellus (Swinhoe) (Lepidoptera: Pyralidae): Identification and preliminary field trials

    • Brenda F. Nesbitt
    • P. S. Beevor
    • K. V. Seshu Reddy

    OriginalPaper Pages: 153 - 163