1. Parental Body Mass as a Determinant of Egg Size and Egg Output in an Arctiid Moth (Utetheisa ornatrix)

   • Vikram K. Iyengar
   • Thomas Eisner

   OriginalPaper Pages: 309 - 318

2. Demand for Task Performance and Workforce Replacement: Undertakers in Honeybee, Apis mellifera, Colonies

   • Michael D. Breed
   • Dionne B. Williams
   • Alejandro Queral

   OriginalPaper Pages: 319 - 329

3. The Role of Passive Defense (Selfish Herd and Dilution Effect) in the Gregarious Nesting of Liostenogaster Wasps (Vespidae, Hymenoptera, Stenogastrinae)

   • C. Coster-Longman
   • M. Landi
   • S. Turillazzi

   OriginalPaper Pages: 331 - 350

4. Mating Aggregations and Mating Success in the Flower Thrips, Frankliniella schultzei (Thysanoptera: Thripidae), and a Possible Role for Pheromones

   • M. Milne
   • G. H. Walter
   • J. R. Milne

   OriginalPaper Pages: 351 - 368

5. Efficacy of the Ventral Abdominal Secretion of the Cockroach Eurycotis floridana (Blattaria: Blattidae) as a Defense Allomone

   • Matthew W. Turnbull
   • Norman J. Fashing

   OriginalPaper Pages: 369 - 384

6. Sperm Storage and Use After Multiple Mating in Dinarmus basalis (Hymenoptera: Pteromalidae)

   • Claude Chevrier
   • Christophe Bressac

   OriginalPaper Pages: 385 - 398

7. Attraction of Mexican Fruit Flies (Diptera: Tephritidae) to Grapefruit: Enhancement by Mechanical Wounding of and Experience with Grapefruit

   • David C. Robacker
   • Ivich Fraser

   OriginalPaper Pages: 399 - 413

8. Infanticide in a Dryinid Parasitoid, Haplogonatopus atratus

   • Yoshihiro Y. Yamada
   • Shigehiro Kitashiro

   OriginalPaper Pages: 415 - 427

9. Influence of Seed Size on Exploitation by the Rice Weevil, Sitophilus oryzae

   • J. F. Campbell

   OriginalPaper Pages: 429 - 445

10. Short Communication: Lack of Plasticity in the Behavior of Queens of the Ant Leptothorax rugatulus Emery (Formicidae: Hymenoptera)

    • Olav Rüppell
    • Livia Schäffler
    • Bert Hölldobler

    BriefCommunication Pages: 447 - 454