Cross Breeding between the Two Spider Mites Tetranychus urticae Koch and Tetranychus cucurhitacearum (Sayed) in Egypt

Attwa, W. A.; El-Laithy, A. Y.; El-Saiedy, E. M.; Abd-Elrahman, S. E.; Sadek, H. E.

doi:10.21608/ajesa.2011.163608

Cross Breeding between the Two Spider Mites Tetranychus urticae Koch and Tetranychus cucurhitacearum (Sayed) in Egypt

Document Type : Original research articles

Authors

¹ zoology Dept., Faculty of Science, AI-Azhar University

² *Pests & Plant Protection Dept., National Research Center

³ *Plant Protection Research Institute, Agricultural Research Institute

⁴ Pests & Plant Protection Dept., National Research Center

10.21608/ajesa.2011.163608

Abstract

The green two-spotted spider mite Tetranychus urticae Koch and the red spider mite T. cucurbitacearum (Sayed) were
subjected to study to shed lights on their identity based on state of reproductive compatibility. However cross breeding
produced fertile and normal hybrids for Fl and F2 in relation to egg laying capacity and sex ratio of the offspring.
Also inheritance of female offspring color was maternaL

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