1. Colony social organization of Lasioglossum malachurum Kirby (Hymenoptera, Halictidae) in southern Greece

   • L. M. Wyman
   • M. H. Richards

   Original Paper 01 August 2003 Pages: 201 - 211

2. Hydrocarbon distribution and colony odour homogenisation in Pachycondyla apicalis

   • V. Soroker
   • C. Lucas
   • J. L. Durand

   Original Paper 01 August 2003 Pages: 212 - 217

3. The shape of compass termite mounds and its biological significance

   • J. Korb

   Original Paper 01 August 2003 Pages: 218 - 221

4. Nestmate discrimination in the harvester termite Hodotermes mossambicus

   • W. H. Kirchner
   • N. Minkley

   Original Paper 01 August 2003 Pages: 222 - 225

5. Comparative study of incipient colony development in the Formosan subterranean termite, Coptotermes formosanus Shiraki (Isoptera,Rhinotermitidae)

   • H. X. Fei
   • G. Henderson

   Original Paper 01 August 2003 Pages: 226 - 233

6. Patriline differences in emergency queen rearing in the honey bee, Apis mellifera

   • N. Châline
   • F. L. W. Ratnieks
   • C. Papin

   Original Paper 01 August 2003 Pages: 234 - 236

7. Cutters, carriers and transport chains: Distance-dependent foraging strategies in the grass-cutting ant Atta vollenweideri

   • J. Röschard
   • F. Roces

   Original Paper 01 August 2003 Pages: 237 - 244

8. A new mode of parental care in cockroaches

   • J. Perry
   • C. A. Nalepa

   Original Paper 01 August 2003 Pages: 245 - 247

9. Solitary and group nesting in the orchid bee Euglossa hyacinthina (Hymenoptera, Apidae)

   • S. L. Soucy
   • T. Giray

   Original Paper 01 August 2003 Pages: 248 - 255

10. Logistic model for soldier production in aphids

    • S. Aoki
    • U. Kurosu

    Original Paper 01 August 2003 Pages: 256 - 261

11. Low relatedness and frequent queen turnover in the stenogastrine wasp Eustenogaster fraterna favor the life insurance over the haplodiploid hypothesis for the origin of eusociality

    • M. Landi
    • D. C. Queller
    • J. E. Strassmann

    Original Paper 01 August 2003 Pages: 262 - 267

12. Interspecific recognition in Chilean parabiotic ant species

    • C. Errard
    • J. Ipinza Regla
    • A. Hefetz

    Original Paper 01 August 2003 Pages: 268 - 273

13. Descriptive study of antennation during trophallactic unloading contacts in honeybees Apis mellifera carnica

    • J. Goyret
    • W. M. Farina

    Original Paper 01 August 2003 Pages: 274 - 276

14. Non-lethal sampling of DNA from bumble bees for conservation genetics

    • K. A. Holehouse
    • R. L. Hammond
    • A. F. G. Bourke

    Original Paper 01 August 2003 Pages: 277 - 285

15. Social encapsulation of the small hive beetle (Aethina tumida Murray) by European honeybees (Apis mellifera L.)

    • J. D. Ellis
    • H. R. Hepburn
    • P. J. Elzen

    Original Paper 01 August 2003 Pages: 286 - 291

16. Use of terrestrial chemical trails for nest orientation in an open nesting wasp, Dolichovespula saxonica F.

    • I. Steinmetz
    • E. Schmolz

    Original Paper 01 August 2003 Pages: 292 - 294

17. Mating behavior in the ant, Myrmecina graminicola (Myrmicinae)

    • A. Buschinger

    Original Paper 01 August 2003 Pages: 295 - 296

18. Erratum: Lack of patriline-specific differences in chemical composition of the metapleural gland secretion in Acromyrmex octospinosus

    • D. Ortius-Lechner
    • R. Maile
    • J. J. Boomsma

    Erratum 01 August 2003 Pages: 297 - 297