Efektivitas Parasitoid Anisopteromalus calandrae (Howard, 1881) (Hymenoptera: Pteromalidae) sebagai Agen Biokontrol terhadap Sitophilus oryzae pada Media Jagung

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Sitophilus oryzae (Linnaeus) is an important pest of stored products serealia. Various control techniques have been made to control this pest, including use of parasitoids as natural enemies. The research of potential of Anisopteromalus calandrae (Howard 1881) as biocontrol agents of pests has been conducted at Insect Specimen Collection Lab in BB Biogen. Parasitoids were identified its morphological characters, and its ability in suppressing the population of S. oryzae was observed using 3 level of parasitoid densities i.e : inoculation of 0 insects, 8 insects, and 12 insects. The results showed that the inoculation of A. calandrae significantly influenced the number of S oryzae emerged, the percentage of intact seeds, and percentage of seed damage after 3 months of storage. The mean of emerging imago S. oryzae on the inoculation of 0, 8 and 12 parasitoids were 192.75 +47.26, 111.75 +29.61 and 48.00 +46.03 respectively. Mean intact seeds in the three treatments respectively were 102.88 + 6.25, 40.75 + 58.08, and 73.75 + 1.39. Mean seed damaged in the three treatments were 106.50 + 11.09, 66.00 + 11.58, and 34.50 +37.35. While mean of frassa in three treatment were 0.55 + 0.44, 0,39 + 0,11, and 0,19 + 0,17 but not sigificantly influenced by the treatment. Overall the experiment results showed that A. calandrae is potential as biocontrol agent to suppress population of S oryzae in maize.
Anisopteromalus calandrae, parasitoid, Sitophilus oryzae