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The influence of lodgepole pine (Pinus contorta) provenance on the development and survival of larvae of the pine beauty moth Panolis flammea (Lepidoptera: Noctuidae)

Published online by Cambridge University Press:  10 July 2009

S. R. Leather ,
M. D. E. Fellowes ,
G. R. F. Hayman  and
J. S. Maxen
S. R. Leather
Affiliation:
Department of Biology, Imperial College, Silwood Park, Ascot, Berkshire, SL5 7PY, UK
M. D. E. Fellowes
Affiliation:
Department of Biology, Imperial College, Silwood Park, Ascot, Berkshire, SL5 7PY, UK
G. R. F. Hayman
Affiliation:
Department of Biology, Imperial College, Silwood Park, Ascot, Berkshire, SL5 7PY, UK
J. S. Maxen
Affiliation:
Department of Biology, Imperial College, Silwood Park, Ascot, Berkshire, SL5 7PY, UK
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Abstract

Larvae of the pine beauty moth Panolis flammae (Denis & Schiffermüller) were reared in sleeve cages on five different seed origins (provenances) of pole stage Pinus contorta in the field in each of four years from 1985 to 1988. Survival varied significantly between the years. In those years when survival was high, Significant differences between tree provenance were not found. However, between provenance significant differences were found in larval weight and stage of development. In the years when survival was low, the results seen in good years were reversed. significant differences attributable to provenance were found but these were not reflected in significant differences between larval weight or development. In addition, there was a significant correlation between the proportion surviving and larval weight, which was not the case in those years where larval survival was high. The results are discussed in light of the pest status of P. flammea in Britain and in view of current silvicultural policies. The use of trees resistant to insect attack as part of an integrated pest management programme is highlighted and the need to coordinate laboratory and field studies so as to control for environmental variation discussed.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 87 , Issue 1 , February 1997 , pp. 75 - 80
Copyright
Copyright © Cambridge University Press 1997

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