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The Spatial Distribution of Dubas Bug Egg Parasitoid Pseudoligosita babylonica Viggiani (Hymenoptara:Tropiduchidae) on Date Palm Trees | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 57, Issue 2, 2016, Pages 1136-1141 | ||
| Authors | ||
| Bassim Hasson Hassan; Hussain Fadhil Al-rubeai; Jawad Kadhim Al- rubeai | ||
| Abstract | ||
| The spatial distribution of dubas bug egg parasitoid Pseudoligosita babylonica Viggiani, within and among different heights of date palm trees (2.5-3,4.5-5 and 5.5-6 m) , have been studied to evaluate the ability of this parsitoid to respond the spatial distribution of its host .The results revealed that the highest percentage of parasitized eggs was found on the mid rows, and it was 13.32 % and 12.07% for Summer and winter generation , respectively.While, it was varied on the old and young fronds of a trees . Results also showed that the highest percentage of parasitism for Winter generation was found on the trees with height of 2.5-3 m , and the highest for Summer generation was found on a trees with height of 4.5-5m . While, the lowest percentage of parasitism for both generations was found on a trees with height of 5.5-6m. | ||
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