New Zealand Journal of Crop and Horticultural Science abstracts
Monitoring the flight activity of the carrot rust fly,
Psila rosae, in New Zealand
W. SIVASUBRAMANIAM
S. D. WRATTEN
Department of Entomology and
Animal Ecology
Lincoln University
P. O. Box 84
Canterbury, New Zealand
A. McERLICH
Wattie Frozen Foods Limited
P. O. Box 16083
Christchurch, New Zealand
Abstract Flight activity of
Psila rosae F. (Psilidae)
was monitored with yellow sticky traps (Rebellreg.) in the North and South
Islands of New Zealand over a 13-month period in 1993/94. Three distinct
periods of adult flight activity were observed, indicating three generations
per year. At Lincoln (the South Island site), the first flies were caught in
early October 1993 and the first flight peaked in mid-late October, followed by
a second peak in mid-late January, and a third peak in mid March-mid April. At
Feilding (the North Island site), the peak catches of second and third
generation flies were 10 and 22 days earlier than at Lincoln, respectively. In
both islands, more female than male flies were captured in the first and second
generation flight periods whereas more males than females were captured in the
third generation.
Keywords yellow sticky trap (Rebelreg.); Psila rosae;
carrot rust fly; flight activity; phenology
New Zealand Journal of Crop and Horticultural Science, 1995, Vol. 23:
251-256
0114-0671/95/2303-0251 $2.50/0 (c) The Royal Society of New Zealand
1995
PDF file of entire paper: medium quality (362K); (scanned from paper original: notes about this process)
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