1. Factors preceding queen rearing in the Africanized honeybee (Apis mellifera) in South America

   • M. L. Winston
   • O. R. Taylor

   OriginalPaper Pages: 289 - 304

2. A monogynous eusocial insect worker population model with particular reference to honeybees

   • A. R. McLellan
   • C. M. Rowland
   • R. H. Fawcett

   OriginalPaper Pages: 305 - 311

3. Dominance and hierarchy inpolistes colonies: Correlation with photoelectric properties of their yellow strips

   • B. Perna
   • J. S. Ishay

   OriginalPaper Pages: 312 - 327

4. Systèmes d'approvisionnement chezMyrmica scabrinodis (Formicidae)

   • M. -C. Cammaerts

   OriginalPaper Pages: 328 - 342

5. On an anomalous individual ofPolistes versicolor (Olivier, 1791) (Vespidae, Polybiinae)

   • F. A. Matthiesen
   • Vilma Maule Rodrigues

   OriginalPaper Pages: 343 - 344

6. Notes on female and worker survivorship in the archaic ant genus myrmecia

   • C. P. Haskins
   • E. F. Haskins

   OriginalPaper Pages: 345 - 350

7. Evidence of competition between two species of desert ants

   • P. A. Byron
   • E. R. Byron
   • R. A. Bernstein

   OriginalPaper Pages: 351 - 360

8. Histological and size changes in corpora allata and prothoracic glands during development ofMacrotermes michaelseni (Isoptera)

   • B. M. Okot-Kotber

   OriginalPaper Pages: 361 - 376

9. Trophic competition among parabiotic ants

   • R. B. Swain

   OriginalPaper Pages: 377 - 390

10. Swarming, afterswarming, and reproductive rate of unmanaged honeybee colonies (Apis mellifera)

    • M. L. Winston

    OriginalPaper Pages: 391 - 398

11. Variations biometriques des corps allates pendant la differenciation des castes reine et ouvriere chezplagiolepis pygmaea Latr. (Hymenoptera: Formicidae)

    • J. P. Suzzoni
    • A. Grimal

    OriginalPaper Pages: 399 - 414