FEEDING CAPACITY, REPRODUCTION AND COMPETITION BETWEEN THE TWO PREDATORS, Agistemus exsertus GONZALEZ (PROSTIGMATA: STIGMAEIDAE) AND Orius Laevigatus (FIEBER) (HEMIPTERA: ANTHOCORIDAE) ASSOCIATING WITH THE SPIDER MITE, Tetranychus urticae KOCH | ||||
Journal of Plant Protection and Pathology | ||||
Article 3, Volume 26, Issue 9, August 2001, Page 5783-5790 PDF (854.69 K) | ||||
Document Type: Original Article | ||||
DOI: 10.21608/jppp.2002.256638 | ||||
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Authors | ||||
Wafaa O. G Ahmed1; A. M.A. Ibrahim2 | ||||
1Plant Protection Research Institute, Min. of Agric., Dokki, Giza, Egypt. | ||||
2Dept. of Economic Entomology and Pesticides, Fac. of Agric., Cairo Univ. Giza, Egypt. | ||||
Abstract | ||||
The prostigmaeid Agistemus exsertus and the anthocorid Orius Laevigatus co-exist on many economic plants predating upon the tetranychid, Tetranychus urticae. The present paper shed light on the bioactivity of these two predators when fed on eggs and immatures of this prey. Competitive study revealed that A. exsertus is a potenial competitor to O. laevigatus; being more voracious, higher in its productivity and higher in its survival rate. | ||||
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