Tanggap Fungsional Parasitoid Eriborus argenteopilosus (Cameron) terhadap Crocidolomia pavonana (Fabricius) pada Suhu yang Berbeda
2005
NOVRI NELLY | TRIMURTI HABAZAR | RAHMAT SYAHNI | BANDUNG SAHARI | DAMAYANTI BUCHORI
The functional response of the parasitoid Eriborus argenteopilosus (Cameron) (Hymenoptera: Ichneumonidae) were studied using Crocidolomia pavonana (Fabricius) (Lepidoptera: Pyralidae) larvae as host at different densities. All larvae were exposed to one E. argenteopilosus female for three hours at three different temperatures, i.e 20 °C, 25 °C, and 30 °C. Data were analyzed using logistic regression to determine the type of functional response. At 20 °C E. argenteopilosus showed type II functional response, while at 25 °C and 30 °C the functional response is type III. Based on surface analysis, the optimal parasitism rate occurred at 22.24 °C with 10.12 larvae parasitized/hour. The larvae density to achieve optimal parasitism rate was 69.38 larvae. The optimal oviposition rate was 12.59 eggs/hour which occurred at 24.41 °C, using a density of 94.54 larvae.
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