1.

Updated description of Neolepidapedon (Neolepidapedon) macrum Overstreet, 1969 and Opisthomonorcheides decapteri Parukhin, 1966, infecting emperor fishes, Lethrinus nebulosus, in fish market of Abha city, Saudi Arabia

Pages 1-9
Abdel-Nasser A. Hussein; Dihom A. Al-Bassel; Hoda Saady; Mohammed A. Al-Shehri
2.

Population dynamics of freshwater snails (Mollusca: Gastropoda) at Qena Governorate, Upper Egypt

Pages 11-22
Mohamed A. Hussein; Ahmad H. Obuid-Allah; Amal A. Mahmoud; Heba M. Fangary
3.

Associations between reproductive cycle and occurrence of intestinal helminths infecting the Egyptian lizard, Chalcides ocellatus

Pages 19-26
Hala M. Ebaid
4.

Certain effects of different spectral colors on some biological parameters of the two-spotted spider mite, Tetranychus urticae

Pages 27-39
Manal S. M. Ismail; Ahmed H. AboGhalia; Maha F. M. Soliman; Mona M.A. Ghallab
5.

Acaricidal activities of some essential and fixed oils on the two-spotted spider mite, Tetranychus urticae

Pages 41-48
Manal S. M. Ismail; Mona M. A. Ghallab; Maha F. M. Soliman; Ahmed H. AboGhalia