Abstract
This study was conducted in the lab to find out effect of different temperature degree and humidity on life and environment of predator Stethorus gilvifrons which feeding on mites (tow spotes) Tetranychus urticae. 
 The study showed that the predator has three ecdison which represent four larva stagest the temperature degree wide effected on the predator life the average life are ( 23.00 , 17.00 , 12.00 and 10.00) day and the average of eggs for female are ( 126.6 , 180.0 , 225.0 and 106.6) egg at 20 , 25 , 30 , 35c° respectively. 
 The results showed that females at 30c° lay out high average at eggs (225.0) while lay out less average at 35c° ( 106.6) the high average of period lay out eggs at 20c° represented 80 day at daily average lay out egg (1.5) day while raged (34.3) day at 35c° at average daily lay at egg reached (3.1) day. 
 The results showed that high average pre period and after lay out reached 8.6, 25 day respectively at 20c° wile reached lay average at 2.3, 5.6 day at 35c° respectively.
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