A female comma butterfly,
contemplating over an elm

Publications by Niklas Janz

Publications

1. Heidel-Fischer, H. M., Freitak, D., Janz, N., Söderlind, L. Vogel, H. and Nylin, S. (2009) "Phylogenetic relatedness and host plant growth form influence gene expression of the polyphagous comma butterfly (Polygonia c-album)" BMC Genomics 2009, 10:506
2. Janz, N., Söderlind, L. and Nylin, S. (2009) "No effect of larval experience on adult host preferences in Polygonia c-album (Lepidoptera: Nymphalidae): on the persistence of Hopkins' host selection principle" Ecological Entomology 34: 50-57
3. Nylin, S. and Janz, N. (2009) "Butterfly host plant range: an example of plasticity as a promoter of speciation?" Evolutionary Ecology 23:137-146
4. Janz, N. and Nylin, S. (2008) "The oscillation hypothesis of host plant-range and speciation". pp. 203-215. In K. J. Tilmon (ed.), "Specialization, Speciation, and Radiation: the Evolutionary Biology of Herbivorous Insects". University of California Press, Berkeley, California.
   [To purchase a copy of this book or for permission to reproduce or reprint this material, visit www.ucpress.edu]
5. Johansson, J., Bergström, A. and Janz, N. (2007) "The benefit of additional oviposition targets for a polyphagous butterfly" Journal of Insect Science 7:03.
6. Bergström, A., Janz, N. and Nylin, S. (2006) "Putting more eggs in the best basket: clutch-size regulation in the comma butterfly" Ecological Entomology 31: 255-260.
7. Janz, N., Nylin, S. and Wahlberg, N. (2006) "Diversity begets diversity: host expansions and the diversification of plant-feeding insects" BMC Evolutionary Biology 6: 4.
8. Janz, N. (2005) "The relationship between habitat selection and preference for adult and larval food resources in the polyphagous butterfly Vanessa cardui (Lepidoptera: Nymphalidae)" Journal of Insect Behavior 18: 767-780.
9. Janz, N., Bergström, A. and Johansson, J. (2005) "Frequency dependence of host plant choice within and between patches: a large cage experiment" Evolutionary Ecology 19: 289-302.
10. Janz, N., Bergström, A. and Sjögren, A. (2005) "The role of nectar sources for oviposition decisions of the common blue butterfly Polyommatus icarus" Oikos 109: 535
11. Nylin, S., Nygren, G. H., Windig, J. J., Janz, N. & Bergström, A. (2005) "Genetics of host-plant preference in the comma butterfly Polygonia c-album (Nymphalidae), and evolutionary implications" Biological Journal of the Linnean Society 84, 45 5-765.
12. Janz, N. (2004) "Macroecology from a sawfly's perspective" Book review. Evolution 58: 1880-1881.
13. Janz, N. (2003) "Sex-linkage of host plant use in butterflies" In: Boggs CL, Watt WB, Ehrlich PR (eds) Butterflies: Ecology and Evolution Taking Flight. Pp 229-239. University of Chicago Press, Chicago. (unformatted manuscript)
14. Janz, N. (2003) "The cost of polyphagy: oviposition decision time vs error rate in a butterfly" Oikos 100:493-496.
15. Janz, N. (2002) "Evolutionary ecology of oviposition strategies" In: Hilker, M. and Meiners, T. Chemoecology of insect eggs and egg deposition. Pp: 349-376. Blackwell, Berlin. (unformatted manuscript)
16. Janz, N. and Thompson, J.N. (2002) "Plant polyploidy and host expansion in an insect herbivore" Oecologia, 130:570-575.
17. Janz, N. Nyblom, K. and Nylin, S. (2001) "Evolutionary dynamics of host plant specialization: a case study of the tribe Nymphalini" Evolution, 55: 783-796.
18. Nylin S, Nyblom K, Ronquist F, Janz N, Belicek J, Källersjö M (2001) "Phylogeny of Polygonia, Nymphalis and related butterflies (Lepidoptera: Nymphalidae): a total evidence analysis" Zoological Journal of the Linnean Society, 132: 441-468.
19. Nylin, S., Bergström, A. and Janz, N. (2000) "Butterfly host plant choice in the face of possible confusion." Journal of Insect Behavior. 13: 469-482.
20. Janz, N. (1999). Ecology and Evolution of butterfly host plant range. Doctoral dissertation, Department of Zoology, Stockholm University, ISBN 91-7153-886-0.
21. Nylin, S. and Janz, N. (1999). Ecology and evolution of host plant range: butterflies as a model group. In: Herbivores: Between Plants and Predators . H. Olff, V. K. Brown and R. H. Drent. Oxford, Blackwell: 31-54.
22. Janz, N. (1998) "Sex-linked inheritance of host-plant specialization in a polyphagous butterfly" Proceedings of the Royal Society: Series B 265: 1675-1678.
23. Janz, N. and Nylin, S. (1998). "Butterflies and plants: a phylogenetic study." Evolution 52: 486-502.
24. Janz, N. & Nylin, S. (1997) "The role of female search behaviour in determining host plant range in plant feeding insects: a test of the information processing hypothesis" Proceedings of the Royal Society: Series B 264: 701-707.
25. Wedell, N., Nylin, S. and Janz, N. (1997). "Effects of larval host plant and sex on the propensity to enter diapause in the comma butterfly." Oikos 78: 569-575.
26. Nylin, S. and Janz, N. (1996). "Host plant preferences in the comma butterfly (Polygonia c-album): Do parents and offspring agree?" Ecoscience 3: 285-289.
27. Nylin, S., Janz, N. and Wedell, N. (1996). "Oviposition plant preference and offspring performance in the comma butterfly: Correlations and conflicts." Entomologia Experimentalis et Applicata 80: 141-144.
28. Janz, N., Nylin, S. and Wedell, N. (1994). "Host plant utilization in the comma butterfly: sources of variation and evolutionary implications." Oecologia 99: 132-140.
29. Nylin, S. and Janz, N. (1993). "Oviposition preference and larval performance in Polygonia c-album (Lepidoptera: Nymphalidae): the choice between bad and worse." Ecological Entomology 18: 394-398.

Niklas Janz

The Department of Zoology
Stockholm University
106 91 Stockholm
Sweden

E-mail