New Zealand Journal of Agricultural Research abstracts
The population biology of the Australian sheep blowfly,
Lucilia cuprina, in New Zealand
D. M. GLEESON
Australian National University
Division of Botany and Zoology
0200 Canberra, ACT, Australia
Present address: Landcare Research, Private Bag 92170, Auckland, New Zealand
A. C. G. HEATH
AgResearch
Wallaceville Animal Research Centre
P.O. Box 40063
Upper Hutt, New Zealand
Abstract The population biology of Lucilia cuprina in
the lower North Island of New Zealand was investigated using trap data and
estimates of gene flow from genetic data. The results from the trap survey
provided evidence that L. cuprina may be restricted to sheep farms and,
within these, is predominantly found in the presence of sheep. Gene flow
(Nm ) estimates are moderate with no isolation by distance pattern
evident. This is an indication that one of the major contributors to fly
migration between regions is the movement of infested sheep rather than
movement of the flies themselves, demonstrating that L. cuprina has a
low tendency for dispersal when favourable habitat conditions exist. These
results suggest that localised control measures such as large scale trapping
and genetic control techniques may have potential for controlling L.
cuprina numbers while reducing reliance on insecticide use.
Keywords population biology; population genetics; gene flow;
allozyme electrophoresis; flystrike; Calliphoridae; Lucilia cuprina
New Zealand Journal of Agricultural Research, 1997, Vol. 40: 529-535
0028-8233/97/4004-0535 $7.00/0 (c) The Royal Society of New Zealand
1997
PDF file of entire paper: medium quality (520K); (scanned from paper original: notes about this process)
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