Muhammad Faheem Malik
Agriculture Training Institute, Sariab, Ouetta, Balochistan, Pakistan
ABSTRACT
The experiment was conducted to determine the effect of host age and photoperiod on the parasitism of Trichogrammatoidea bactrae (Hymenoptera: Trichogrammatidae). Pink Bollworm (PBW, Pectinophora gossypiella (Lepidoptera: Gelechiidae) eggs were used as host. The host eggs of different ages (1, 2, 3, 4 and 5 days old) were exposed to two pairs of the parasitoid (T. bactrae) at two light/dark regimes (complete light & complete darkness) with constant 75% relative humidity and 28 °C temperature. It was observed that under the conditions of this test, maximum parasitization, > 90% by T. bactrae, was obtained when 1 or 2 days old host (PBW) eggs were held in complete light.
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How to cite this article
Muhammad Faheem Malik, 2001. Effect of Host Age and Photoperiod on the Parasitism
by Trichogrammatoidea bactrae. Journal of Biological Sciences, 1: 595-596.
DOI: 10.3923/jbs.2001.595.596
URL: https://scialert.net/abstract/?doi=jbs.2001.595.596
DOI: 10.3923/jbs.2001.595.596
URL: https://scialert.net/abstract/?doi=jbs.2001.595.596
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