1. The ontogeny of soldiers in Prorhinotermes simplex (Isoptera, Rhinotermitidae)

   • R. Hanus
   • J. Šobotník
   • J. Lukáš

   Research article 30 June 2006 Pages: 249 - 257

2. Influence of environmental and colony factors on the initial commodity choice of foragers of the stingless bee Plebeia tobagoensis (Hymenoptera, Meliponini)

   • F. E. Hofstede
   • M. J. Sommeijer

   Research article 30 June 2006 Pages: 258 - 264

3. Colony internal conditions related to caste production in Melipona compressipes fasciculata (Apidae, Meliponini)

   • M. M. Morais
   • F. S. Nascimento
   • L. R. Bego

   Research article 30 June 2006 Pages: 265 - 268

4. Wolbachia in the invasive European paper wasp Polistes dominulus

   • J. K. Stahlhut
   • A. E. Liebert
   • J. Jaenike

   Research article 30 June 2006 Pages: 269 - 273

5. Assessing ant assemblages: pitfall trapping versus nest counting (Hymenoptera, Formicidae)

   • B. C. Schlick-Steiner
   • F. M. Steiner
   • E. Christian

   Research article 30 June 2006 Pages: 274 - 281

6. Dispersed central-place foraging in the polydomous odorous house ant, Tapinoma sessile as revealed by a protein marker

   • G. Buczkowski
   • G. W. Bennett

   Research article 30 June 2006 Pages: 282 - 290

7. Convergent evolution of the Dufour’s gland secretion as a propaganda substance in the slave-making ant genera Protomognathus and Harpagoxenus

   • M. Brandt
   • J. Heinze
   • S. Foitzik

   Research article 30 June 2006 Pages: 291 - 299

8. Behavioral ecology and natural history of Blepharidatta brasiliensis (Formicidae, Blepharidattini)

   • C. Rabeling
   • M. Verhaagh
   • U. G. Mueller

   Research article 30 June 2006 Pages: 300 - 306

9. Use of artificial arenas to predict the social organisation of halictine bees: Data for fourteen species from Chile

   • L. Packer

   Research article 30 June 2006 Pages: 307 - 315

10. Capital and income breeding and the evolution of colony founding strategies in ants

    • R. A. Johnson

    Research article 30 June 2006 Pages: 316 - 322

11. How to fool a virgin: Artificial dealation triggers oviposition in virgin Lasius niger queens

    • S. Jemielity
    • J. Gräff
    • L. Keller

    Research article 30 June 2006 Pages: 323 - 325

12. Hitchhiking behaviour in leaf-cutter ants: An experimental evaluation of three hypotheses

    • E. H. M. Vieira-Neto
    • F. M. Mundim
    • H. L. Vasconcelos

    Research article Pages: 326 - 332

13. Sperm ultrastructure of the wasp Agelaia vicina (Hymenoptera, Vespidae)

    • K. Mancini
    • J. Lino-Neto
    • H. Dolder

    Research article Pages: 333 - 338

14. Nest specificity of the bacterial community in termite guts (Hodotermes mossambicus)

    • N. Minkley
    • A. Fujita
    • W. H. Kirchner

    Research article Pages: 339 - 344

15. Oral trophallaxis in adult leaf-cutting ants Acromyrmex subterraneus subterraneus (Hymenoptera, Formicidae)

    • D. D. O. Moreira
    • M. Erthal Jr.
    • R. I. Samuels

    Research article 30 June 2006 Pages: 345 - 348

16. Differential resistance and the importance of antibiotic production in Acromyrmex echinatior leaf-cutting ant castes towards the entomopathogenic fungus Aspergillus nomius

    • M. Poulsen
    • W. O. H. Hughes
    • J. J. Boomsma

    Research article 30 June 2006 Pages: 349 - 355

17. Antennation of nectar-receivers encodes colony needs and food-source profitability in the ant Camponotus mus

    • S. Mc Cabe
    • W. M. Farina
    • R. B. Josens

    Research article 30 June 2006 Pages: 356 - 361

18. Obligatory female philopatry affects genetic population structure in the ant Proformica longiseta

    • P. Seppä
    • I. Fernández-Escudero
    • P. Pamilo

    Research article Pages: 362 - 368

19. A larval hunger signal in the bumblebee Bombus terrestris

    • S. P. A. den. Boer
    • M. J. H. M. Duchateau

    Research article 30 June 2006 Pages: 369 - 373