LIFE TABLES AND FOOD RANGE OF TYPHLODROMUS ATHIASAE AT DIFFERENT TEMPERATURES (ACARI: PHYTOSEIIDAE)

Document Type : Original Article

Authors

1 Agricultural Zoology Department, Faculty of Agriculture, Cairo University, Giza, Egypt

2 Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt

Abstract

Life tables were constructed for the phytoseiid predatory mite Typhlodromus athiasae Porath and Swirski fed on the most suitable prey, immatures of the two-spotted spider mite Tetranychus urticae Koch, at different temperatures, 15. 20, 25, 28, 30 and 32 °C, and 70% R.H. The intrinsic rate of increase (rm) reached its maximum value (0.237 individ­uals/female/day) at 30 C. T.athiasae was able to survive and reproduce on the two- spotted spider mite T.urticae (adults), the red spider mite T.cucurbitacearum (Sayed) (immatures), the citrus brown mite Eutetran­ychus orientatis (Klein) (immatures and adults), the mango leaf mite Ci­saberoptes kenyae Keifer (active stages), the scale insect Parlatoria ziz­yphus (Lucas) (eggs), the whitefly Bemisia tabaci (Gennadius) (eggs) and the date palm Phoenix dactylitera L. pollen grains.