1. Escalation of Aggressive Interactions During Staged Encounters in Halictus ligatus Say (Hymenoptera: Halictidae), with a Comparison of Circle Tube Behaviors with Other Halictine Species'

   • N. Pabalan
   • K. G. Davey
   • L. Packer

   OriginalPaper Pages: 627 - 650

2. Oviposition Site Selection by the Regal Fritillary, Speyeria idalia, as Affected by Proximity of Violet Host Plants

   • Brian J. Kopper
   • Ralph E. Charlton
   • David C. Margolies

   OriginalPaper Pages: 651 - 665

3. Hierarchical Perception of Stimuli During Case Construction in the Bagworm Moth Eumeta crameri (Lepidoptera: Psychidae)

   • Atanu Kumar Pati
   • Arvind Agrawal

   OriginalPaper Pages: 667 - 677

4. Foraging Area Marking in Two Related Tetramorium Ant Species (Hymenoptera: Formicidae)

   • Marie-Claire Cammaerts
   • Roger Cammaerts

   OriginalPaper Pages: 679 - 698

5. The Influence of Previous Experience and Starvation on Aphid Feeding Behavior

   • Claudio C. Ramírez
   • Hermann M. Niemeyer

   OriginalPaper Pages: 699 - 709

6. Responses of Two Potential Host Species (Formica gnava and Formica occulta) to Pupae of the Obligatory Slave-Making Ant, Polyergus breviceps (Hymenoptera: Formicidae)

   • Christine A. Johnson

   OriginalPaper Pages: 711 - 730

7. Copulation Is Not a Prerequisite to Male Reception of Eggs in the Golden Egg Bug Phyllomorpha laciniata (Coreidae; Heteroptera)

   • M. Miettinen
   • A. Kaitala

   OriginalPaper Pages: 731 - 740

8. Wing Movement Behavior in Long- and Short-Winged Morphs of the Flightless Bug Pyrrhocoris apterus L. (Heteroptera: Pyrrhocoridae)

   • R. Socha
   • R. Zemek

   OriginalPaper Pages: 741 - 750

9. Male Aggregation by Solenopsis richteri Forel (Hymenoptera: Formicidae) and Associated Mating Behavior in Argentina

   • Clare T. Wuellner

   OriginalPaper Pages: 751 - 756

10. Interspecific Interactions Between Coptotermes formosanus and Reticulitermes flavipes (Isoptera: Rhinotermitidae) in Laboratory Bioassays

    • Mary L. Cornelius
    • Weste L. A. Osbrink

    OriginalPaper Pages: 757 - 770

11. Differential Interactions Between an Aphid Endohyperparasitoid and Three Honeydew-Collecting Ant Species: A Field Study of Alloxysta brevis (Thomson) (Hymenoptera: Alloxystidae)

    • Gerhard Hübner

    OriginalPaper Pages: 771 - 784