Observations On Colour Patterns and Behaviour of Caterpillars Feeding On Scots Pine

Observations On Colour Patterns and Behaviour of Caterpillars Feeding On Scots Pine OBSERVATIONS ON COLOUR PATTERNS AND BEHAVIOUR OF CATERPILLARS FEEDING ON SCOTS PINE WITH A DISCUSSION OF THEIR POSSIBLE FUNCTIONAL SIGNIFICANCE by W. M. HERREBOUT, P.J. KUYTEN AND L. DE RUITER (Zoological Laboratory of the Agricultural University, Wageningen, and Zoological Laboratory of the University Groningen, Netherlands) 316 CHAPTER I INTRODUCTION Caterpillars feeding on the needles of Scots Pine (Pinus sylvestris L.) have proved to be suitable subjects for research in population dynam- ics. It is true that, in spite of the enormous amount of work done, it is not yet possible to give a detailed account of the factors determining population numbers for any one of these species. On the other hand, it has been established that the caterpillars may vary markedly in the strength of the influence exerted on their populations by a given en- vironmental factor. Mortality caused by predating songbirds (TIN- BERGEN, 1960), by spiders (LOOF, 1955), or by parasites (HERREBOUT, 1960, and in prep.) take a heavier toll in some species than in others. These differences in sensivity to ecological agents must be due to dif- ferences in details of the biology of the caterpillars. This paper, there- fore, is a contribution to the study http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives Néerlandaises de Zoologie (in 1967 continued as Netherlands Journal of Zoology) Brill

Observations On Colour Patterns and Behaviour of Caterpillars Feeding On Scots Pine

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Publisher
Brill
Copyright
© 1963 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0365-5164
eISSN
1875-3019
D.O.I.
10.1163/036551663X00041
Publisher site
See Article on Publisher Site

Abstract

OBSERVATIONS ON COLOUR PATTERNS AND BEHAVIOUR OF CATERPILLARS FEEDING ON SCOTS PINE WITH A DISCUSSION OF THEIR POSSIBLE FUNCTIONAL SIGNIFICANCE by W. M. HERREBOUT, P.J. KUYTEN AND L. DE RUITER (Zoological Laboratory of the Agricultural University, Wageningen, and Zoological Laboratory of the University Groningen, Netherlands) 316 CHAPTER I INTRODUCTION Caterpillars feeding on the needles of Scots Pine (Pinus sylvestris L.) have proved to be suitable subjects for research in population dynam- ics. It is true that, in spite of the enormous amount of work done, it is not yet possible to give a detailed account of the factors determining population numbers for any one of these species. On the other hand, it has been established that the caterpillars may vary markedly in the strength of the influence exerted on their populations by a given en- vironmental factor. Mortality caused by predating songbirds (TIN- BERGEN, 1960), by spiders (LOOF, 1955), or by parasites (HERREBOUT, 1960, and in prep.) take a heavier toll in some species than in others. These differences in sensivity to ecological agents must be due to dif- ferences in details of the biology of the caterpillars. This paper, there- fore, is a contribution to the study

Journal

Archives Néerlandaises de Zoologie (in 1967 continued as Netherlands Journal of Zoology)Brill

Published: Jan 1, 1963

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