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Biology Of The Coccinellid Psyllobora (Thea) Bisoctonotata Muls. (Coleoptera: Coccinellidae) A Predator Of Powdery Midew Fungi
Mohammad Ahmad(1) Ghaidaa Younis(2) and Nawal Ali(2)
(1)Department of Plant Protection, Faculty of Agriculture, Tishreen University, Lattakia, Syria
(2)Department of Botany, Faculty of Science, Tishreen University, Lattakia, Syria
Abstract
The Coccinellid, Psyllobora (Thea) bisoctonotata, Muls. (Coleoptera: Coccinellidae) is widely spread along the coastal region of Syria. This lady bird, in both larval and adult stages, was found feeding on many powdery mildew species (Erysiphaceae), which infect various plant species (weeds, field corps, fruit trees and forest trees). The activity of the insect starts from the beginning of April until the end of November (2001). The biology of, P. bisoctonotata ,was studied under laboratory conditions (27 C, 12 h light) using leaves of, picris echioides, infected with, Erysiphe cichoracearum,. The total period of the life cycle was 24.1±2.08 days, mean female fecundity was 102±88.50 eggs, longevity was 47.25±19.69 days for males and 54.25±14.26 days for females. ,P. bisoctonotata, was recorded on 52 plant species belonging to 24 families.
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The Arab Scientists in Cooperation with The High Institute of Marine Research. Publish all the researches abstracts, which presented in The Regional Workshop on Marine Sciences and Natural Resources, Tishreen University, Lattakia, Syria, 25-26 May 2004.
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The Arab Scientists in Cooperation with The Egyptian Society for Biological Control of Pests . Publish all the researches abstracts, which presented in The First Arab Conference of Applied Biological Pest Control, Cairo, Egypt, 5-7 April 2004.
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The First International Symposium on Environnement protection for development Biotechnological aspects. Fez, December
15 – 17, 2004.
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The Second Syrian-Egyptian conference in the Agriculture and Food.
Agriculture Faculty, Al-Baath university, Homs, Syria. 25-28 April, 05
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Current Status of Plant Protection in Yemen and Future Strategy.
Faculty of Agriculture, Sana'a University, Sana'a, yemen. December 18-20/2004
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The 9th International Conference of the Orthopterists’ Society
Canada, on August 14 19, 2005
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The First Arab Conference on Applications of Biological Control of Pests in Arab Countries
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New Workshop
Middle-East Academy for Medicine of Ageing
First Annual Middle-East Age & Aging Meeting
8-11 April, 2004
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Arab Society for Plant Protection (ASPP) in Cooperation with The Arab Scientists
Publish all the researches abstracts, which presented in the Eighth Arab Congress of
Plant Protection, held in Faculty of Agriculture, Omar Al-Mukhtar University, El-beida
City, Libya, October 12-16,2003
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