1. Relations between nests ofmessor wasmanni in Greece

   • R. D. Harkness
   • V. Isham

   OriginalPaper Pages: 1 - 18

2. Control of brood male production in the Argentine antIridomyrmex humilis (Mayr)

   • L. Passera
   • L. Keller
   • J. -P. Suzzoni

   OriginalPaper Pages: 19 - 33

3. Nestmate discrimination in a ponerine ant (Rhytidoponera sp. 12) without a queen caste and with a low intra-nest relatedness

   • C. P. Peeters

   OriginalPaper Pages: 34 - 46

4. Karyological study of North AmericanPogonomyrmex (Hymenoptera: Formicidae)

   • S. W. Taber
   • J. C. Cokendolpher
   • O. F. Francke

   OriginalPaper Pages: 47 - 60

5. Effects of nutrition on brood production and slavery in ants (Hymenoptera, Formicidae)

   • A. Buschinger
   • E. Pfeifer

   OriginalPaper Pages: 61 - 69

6. Reproductive caste inhibition by Argentine ant queens: New mechanisms of queen control

   • P. J. Bartels

   OriginalPaper Pages: 70 - 81

7. Discrimination of nestmate and non-nestmate sexuals by ants (Hymenoptera: Formicidae)

   • B. Bennett

   OriginalPaper Pages: 82 - 91

8. How do red wood ants orient when foraging in a three dimensional system? I. Laboratory experiments

   • V. Fourcassie
   • G. Beugnon

   OriginalPaper Pages: 92 - 105

9. How do red wood ants orient during diurnal and nocturnal foraging in a three dimensional system? II. Field experiments

   • G. Beugnon
   • V. Fourcassie

   OriginalPaper Pages: 106 - 124

10. Chemical labelling of the food ball during rolling by males of the subsocial coleopteranCanthon cyanellus cyanellus Leconte (scarabaeidae)

    • M. E. Favila

    Brief Communication Communication Brève Pages: 125 - 129