Effect of temperature and relative humidity on the population fluctuation of
combined larvae; pupae development stages and infested leaves percentage of the
broad bean leaf miner ( Liriomyza frifolii ) ( Burgess) on fali season at EI Behaira-
Governorate throughout two successive years (2001/2002 and 20021 2003) were
investigated .From these result's concluded that these relations in most cases were
insignificant negatively. But night temperature show significant positive indicating
simple correlation values during the two seasons . The partial regression values
demonstrated the same trend were insignificant and negative at 0.05 % probability
level .The highest influence on population of insect stages was that of night
temperature whereas daytime temperature and relative humidity % were non evident
effect on population count during fali seasons .The explained variance percentage
(EV. ) it being 56.4%:25.6 % and 51.6%:23.8 % for both years (2002 &2003 )
respectively .