1. The reproductive strategy of the gregarious parasitoid, Pteromalus puparum (Hymenoptera: Pteromalidae)

   • Masami Takagi

   Original Papers Pages: 1 - 6

2. Variation in reproductive traits in European passerines in relation to nesting site: allometric scaling to body weight or adaptive variation?

   • Bernt-Erik Saether

   Original Papers Pages: 7 - 9

3. Chemical defense in birch: Inhibition of digestibility in ruminants by phenolic extracts

   • R. Thomas Palo

   Original Papers Pages: 10 - 14

4. El Niño mass coral mortality: a test of resource limitation in a coral reef damselfish population

   • Gerard M. Wellington
   • Benjamin C. Victor

   Original Papers Pages: 15 - 19

5. Evolutionary impacts of the goldenrod ball gallmaker on Solidago altissima clones

   • Kenneth D. McCrea
   • Warren G. Abrahamson

   Original Papers Pages: 20 - 22

6. Flowering phenology, floral display and reproductive success in dioecious, Aralia nudicaulis L. (Araliaceae)

   • Lawrence B. Flanagan
   • Walter Moser

   Original Papers Pages: 23 - 28

7. Crickets in Sunshine

   • Hermann Remmert

   Original Papers Pages: 29 - 33

8. Quantitative defense theory and patterns of feeding by oak insects

   • Stanley H. Faeth

   Original Papers Pages: 34 - 40

9. Effects of nitrogen concentrations of Eucalyptus blakelyi foliage on the fecundity of Paropsis atomaria (Coleoptera: Chrysomelidae)

   • C. P. Ohmart
   • L. G. Stewart
   • J. R. Thomas

   Original Papers Pages: 41 - 44

10. Foraging strategies and recruitment behaviour in the European harvester ant Messor rufitarsis (F.)

    • Michael Hahn
    • Ulrich Maschwitz

    Original Papers Pages: 45 - 51

11. Size class structure and tree dispersion patterns in old-growth cedar-hemlock forests of the northern Rocky Mountains (USA)

    • David P. Turner
    • Eldon H. Franz

    Original Papers Pages: 52 - 56

12. Barley straw decomposition with varied levels of microbial grazing by Folsomia fimetaria (L.) (Collembola, Isotomidae)

    • O. Andrén
    • J. Schnürer

    Original Papers Pages: 57 - 62

13. Influence of fungi on growth and survival of Onychiurus armatus (Collembola) in a metal polluted soil

    • Göran Bengtsson
    • Lena Ohlsson
    • Sten Rundgren

    Original Papers Pages: 63 - 68

14. Web spider's dilemma: a risky move or site dependent growth

    • Fritz Vollrath

    Original Papers Pages: 69 - 72

15. Influence of rain, tidal wetting and relative humidity on release of carbon dioxide by standing-dead salt-marsh plants

    • S. Y. Newell
    • R. D. Fallon
    • L. C. Groene

    Original Papers Pages: 73 - 79

16. Responses of an African tall-grass (Hyparrhenia filipendula stapf.) to defoliation and limitations of water and nitrogen

    • M. B. Coughenour
    • S. J. McNaughton
    • L. L. Wallace

    Original Papers Pages: 80 - 86

17. The feeding biology of a species-rich genus of rainforest grasshoppers (Rhachicreagra: Orthoptera, Acrididae)

    • C. H. F. Rowell

    Original Papers Pages: 87 - 98

18. The feeding biology of a species-rich genus of rainforest grasshoppers (Rhachicreagra, Orthoptera, Acrididae)

    • C. H. F. Rowell

    Original Papers Pages: 99 - 104

19. Responses of an African graminoid (Themeda triandra Forsk.) to frequent defoliation, nitrogen, and water: a limit of adaptation to herbivory

    • M. B. Coughenour
    • S. J. McNaughton
    • L. L. Wallace

    Original Papers Pages: 105 - 110

20. Habitat disturbance and the stability of freshwater gastropod populations

    • D. M. Lodge
    • P. Kelly

    Original Papers Pages: 111 - 117

21. Efficiency of food utilization during fat deposition in the long-distance migratory garden warbler, Sylvia borin

    • Franz Bairlein

    Original Papers Pages: 118 - 125

22. Energy relations of winter roost-site utilization by American goldfinches (Carduelis tristis)

    • William A. Buttemer

    Original Papers Pages: 126 - 132

23. Assessment of space-use patterns in the hispid cotton rat (Sigmodon hispidus)

    • Guy N. Cameron
    • Stephen R. Spencer

    Original Papers Pages: 133 - 139

24. Seed fall and phenological overlap in a guild of ant-dispersed herbs

    • Gösta Kjellsson

    Original Papers Pages: 140 - 146

25. Cold hardiness and supercooling along an altitudinal gradient in andean giant rosette species

    • G. Goldstein
    • F. Rada
    • A. Azocar

    Original Papers Pages: 147 - 152

26. The spatial pattern of Enchytraeidae (Oligochaeta)

    • Josef Chalupský Jr.
    • Jan Lepš

    Original Papers Pages: 153 - 157

27. The variance of the index (R) of aggregation of Clark and Evans

    • Miguel Petrere Jr.

    Short Communication Pages: 158 - 159

28. Development of acute frost drought in Rhododendron ferrugineum at the alpine timberline

    • Walter Larcher
    • Rolf Siegwolf

    Erratum Pages: 160 - 160