Judul: Biologi Reproduksi Brachymeria Lasus Walker (Hymenoptera: Chalcididae) pada Ulat Penggulung Daun Pisang Erionota Thrax Linnaeus (Lepidoptera:Hesperiidae)
Abstrak: The objective of this research was to obtain information on the life span and some reproduction characteristics of Brachymeria lasus adults, including number of offsprings produced by a single parasitoid, sex ratio, and the most suitable host pupal age for parasitoid development. The research was carried out in The Laboratory of Biological Control, Department of Plant Protection, Bogor Agricultural University. Parasitoids B. lasus were obtained by collecting pupae of Erionota thrax parasitized by B. lasus from the field, and then were kept in plastic containers in the laboratory. Rearing of B. lasus was conducted by putting a copulated female of parasitoid in a test tube provided with fresh pupae of E. thrax to be parasitized, and fed with 10% honey solution. Effect of food and host (no food no host, with water no host, with 10% honey no host, and with 10% honey with host) on the life span of parasitoid adults was observed. To observe the total number of offsprings, a copulated female was provided with fresh host pupae (one pupa or two daily as needed) every day until the parasitoid died. To find the suitable host pupal ages for parasitoid development, a different age of host i. e. prepupae, 1, 2, 3, 4, 5, and 6 day-old pupae, each was exposed to a different copulated parasitoid female for 18 hours. Effect of three different sizes of host pupae (small, medium, and large) on the parasitoid offspring production was also observed. Females of B. lasus provided with 10% honey solution as food with or without pupae as host could live longer (12-17 days and 10-13 days, respectively) compared to those without food or fed with water only which could live for only 3 days. Number of offsprings produced by a female of B. lasus ranged 71-126, with the average of 98.2. Parasitoid B. lasus could develop successfully in 1-3 day-old host pupae. The parasitoid could parasitize prepupae and pupae older than 5 days but the parasitoids could not complete their develpoment. The host pupal size affected the number and the sex ratio of parasitoids emerging from a single host pupae.
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Judul: Biologi Parasitoid Brachymeria lasus Walker (Hymenoptera: Chalcididae) pada Ulat Penggulung Daun Pisang Erionota thrax Linnaeus (Lepidoptera: Hesperiidae)
Abstrak: This research was conducted to study some biological aspects of parasitoid, Brachymeria lasus , such as the life cycle, morphology , and the behavior. Research was carried out in The Laboratory of Parasitoid and Predator Biology, Department of Plant Protection, Bogor Agricultural University. Pupae of Erionota thrax parasitized by B. lasus were collected from the field and then were maintained in plastic containers until the emergence of parasitoid adults. Mated females of B. lasus were kept in a test tube (20 cm long, 3 cm in diameter), and then were provided with 1-day-old pupae of E. thrax to be parasitized. Parasitized pupae of E. thrax then were moved to another test tube and were used for observation of the parasitoid biology. The morphological features of the parasitoid larvae and pupae were observed by dissecting parasitized pupae every day starting on the second day after parasitization. To observe the life cycle of the parasitoid, parasitized pupae of E. thrax were maintained in test tubes until the eclosion of parasitoid adults. In general, adults of B. lasus (females and males) were black in color with the body size was less than 6 mm, and were characterized with the large femur of the hind legs. B. lasus have hymenopteriform eggs, hymenopteriform larvae, and exarate type pupae. The life cycle of B. lasus ranged 13-14 days. Adults of B. lasus mostly emerged in the morning within 07:00 - 11:00 hours
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Judul: Kajian Persepsi Terkait Product Placement Permen Kopiko Dalam Drama Korea Vincenzo Terhadap Keputusan Pembelian
Abstrak: Perkembangan zaman memicu iklan konvensional menjadi tidak terlalu efektif. Salah satu alternatif strategi yang dapat diterapkan adalah product placement. Pada awal pandemi Covid-19, PT Mayora Indah Tbk mengalami penurunan pendapatan. Sehingga pada awal tahun 2021, perseroan menerapkan product placement Kopiko dalam drama Korea Vincenzo untuk menciptakan demand creation demi meningkatkan penjualan. Perseroan memanfaatkan kepopuleran Korean Wave di Indonesia untuk mendapatkan minat pasar lokal akan produk Kopiko kembali. Penelitian ini bertujuan untuk mengkaji persepsi terkait product placement permen Kopiko dalam drama korea Vincenzo terhadap keputusan pembelian serta memberikan rekomendasi pertimbangan manajerial yang tepat untuk PT. Mayora Indah, Tbk maupun perusahaan / brand yang ingin menerapkan strategi product placement pada drama Korea. Penelitian ini bersifat kuantitatif deskriptif melalui metode survei dan wawancara. Penelitian ini menggunakan analisis uji regresi linier berganda. Hasil penelitian menunjukkan bahwa persepsi terkait product placement permen Kopiko memiliki dampak dalam kategori moderat terhadap keputusan pembelian. Strategi product placement dalam drama Korea tidak disarankan untuk diterapkan kembali oleh PT Mayora Indah Tbk maupu perusahaan/brand yang ingin meningkatkan permintaan produk. Namun lebih direkomendasikan untuk tujuan meningkatkan image positif, memunculkan ingatan atau minat konsumen kembali, pengenalan produk serta memperluas pangsa pasar global. Jika ingin tetap menerapkan strategi tersebut lebih difokuskan pada dimensi dan indikator yang memiliki dampak yang lebih besar.
Keyword: drama korea, keputusan pembelian, penempatan produk, korean drama, product placement, purchased decision