Mahmoud S. Metwaly1, Mohamed A. Dkhil1,2* and Saleh Al-Quraishy1
1Department of Zoology, College of Science, King Saud University, P. O. Box: 2455, Riyadh- 11451, Saudi Arabia.
2Department of Zoology and Entomology, Faculty of Science, Helwan University, Egypt.
