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Jurnal Entomologi Indonesia

jei
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Published by Perhimpunan Entomologi Indonesia

ISSN : 18297722 EISSN : 20890257 DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

Jurnal Entomologi Indonesia (JEI) publishes original research papers and short communications that covers the basic and applied aspect of insects and mites or other arthropods in agriculture, forestry, human and animal health, and natural resources and environmental management. The journal is published by Perhimpunan Entomologi Indonesia (Entomological Society of Indonesia). JEI was first published at the beginning of 2004 with twice per year in frequency on March and September. Since 2015, Jurnal Entomologi Indonesia has been published three times per year on March, July, and November.

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Articles 6 Documents

Search results for , issue "Vol 8 No 1 (2011): April" : 6 Documents clear

Pengaruh Habitat Sekitar Lahan Persawahan dan Umur Tanaman Padi terhadap Keanekaragaman Hymenoptera Parasitika Nina Herlina; Akhmad Rizali; Moerfiah Moerfiah; Bandung Sahari; Damayanti Buchori
Jurnal Entomologi Indonesia Vol 8 No 1 (2011): April
Publisher : Perhimpunan Entomologi Indonesia

As the largest group of biological control agents, Parasitic Hymenoptera play important role in controlling pest outbreak in agricultural habitat. Unfortunately, there is lack of information about how these parasitoids occur in agricultural habitat related to condition of surrounding habitat and phenology of crop plant. The objective of this research was to study the effect of rice field surrounding habitat and age of rice plant on the diversity of Parasitic Hymenoptera. Research area was located in Carang Pulang Village, Dramaga, Bogor. We selected four blocks which represented different of habitat condition and age of rice plant. Each block was set six yellow pan traps (with minimum distance 20 meter) and one malaise trap. Sampling of insects were conducted weekly from 6 to 12 week after planting. From this research, we collected 1,833 individual of Hymenoptera (without ants) belong to 9 superfamilies, 23 families, and 216 species. Parasitic Hymenoptera was more abundant (96%) and species rich (84%) than Aculeata. Rice field surrounding habitat (block) and age of rice field significantly affect the diversity of Parasitic Hymenoptera. We found positively correlation between age of rice plant and species richness of Parasitic Hymenoptera.

Statistika Demografi Riptortus linearis F. (Hemiptera: Alydidae) pada Kacang Panjang (Vigna sinensis L.) Amanda Mawan; Herma Amalia
Jurnal Entomologi Indonesia Vol 8 No 1 (2011): April
Publisher : Perhimpunan Entomologi Indonesia

Riptortus linearis is one of the major pests on long bean. In order to control R. linearis, basic informations such as biology and life table are needed. The objective of this research is to study the life table of R. linearis on long bean under laboratory condition. This research was conducted from October 2009 to Februari 2010 at Laboratory Bioecology Parasitoid and Predator, Department of Plant Protection, Faculty of Agriculture, Bogor Agricultural University. The variables that were observed in this study consist of: 1) length of growing period from nymphs to imago, 2) adult life span, 3) fecundity, A life table was constructed using life table cohort type. The results showed that the egg stage lasted for 6:37 hours, while the second instar nymph stage I, II, III, IV,V, and VI takes place 2.06, 4.75, 4.55, 4.54, 6.2, and 6.67 days,consecutively. The life span of R. linearis is 29.3 days. The net reproductive rate (R0) R. linearis on long bean is 22.07 individual per female per generation, the innate capacity for increase (rm) 0.06 individual female per day, and the mean generation time (T) 49.94 days.

Patogenisitas Beberapa Isolat Cendawan Entomopatogen Metarhizium spp. terhadap Telur Spodoptera litura Fabricius (Lepidoptera: Noctuidae) Trizelia Trizelia; My Syahrawati; Aina Mardiah
Jurnal Entomologi Indonesia Vol 8 No 1 (2011): April
Publisher : Perhimpunan Entomologi Indonesia

Metarhizium spp. is one of the entomopathogenic fungus that can be used to control Spodoptera litura. The purpose of this research was to study the pathogenicity of Metarhizium spp. to Spodoptera litura eggs. The isolates were collected from rhizosphere of different crops i.e., cabbage, onion, leek and chili. The results showed that there was effect of all isolates on egg mortality. Mortality of S. litura eggs depend on the fungal isolates, ranged between 19.79%-75.70%. First instar larvae was also died 3 days after eclosion. The maximum mortality of first instar larvae was 58.65%. At a concentration of 108 conidia/ml, isolate Mt-kb had the highest virulence which caused higher mortality of eggs and first instar larvae.

Kemampuan Pemangsaan Menochilus sexmaculatus F. (Coleoptera: Coccinellidae) terhadap Rhopalosiphum maidis Fitch (Homoptera: Aphididae) Indriya Radiyanto; Sri Rahayuningtias; Endah Widhianingtyas
Jurnal Entomologi Indonesia Vol 8 No 1 (2011): April
Publisher : Perhimpunan Entomologi Indonesia

The objective of this research was to study the functional response of M. sexmaculatus. The hypothesis of this study was that age of predator and the numbers of prey will effect predation rate. To test this hypothesis, a set of prey (first and fourth instar and adult R. maidis) was separately placed together with first and fourth instar larval and adult female of M. sexmaculatus at different densities. The length of the exposure of the hosts were respectively 13, 14 and 2 hours for 1st instar larval predator, 4th instar larval predator and adult predators. In addition a combination of 1st and 4th instar nymph of R. maidis were exposed to adult M. sexmaculatus for 24 hours. The result of this study showed that the ability to predation of young and adult M. exmaculatus was type II, indicating that M. sexmaculatus can be categorized as effective biological control agent. Adults of M. sexmaculatus are better predators than the larval stages. Based on non linear regression analysis, the maximum numbers of preys consumed by adult females of M. sexmaculatus was 300 individuals of various stages of R. maidis per 24 hours.

Pengaruh Instar Larva Inang Spodoptera litura Fabricius (Lepidoptera: Noctuidae) terhadap Keberhasilan Hidup Parasitoid Eriborus argenteopilosus Cameron (Hymenoptera: Ichneumonidae) Novri Nelly; Yunisman Yunisman; Yulia Rahmawati
Jurnal Entomologi Indonesia Vol 8 No 1 (2011): April
Publisher : Perhimpunan Entomologi Indonesia

Research on the effect of host larval stage on survivorship of the parasitoid E. argenteopilosus was conducted under laboratory conditions. Survivorship was studied by using S. litura larval with different stage (1st, 2nd, 3rd, and 4th instars). Result of the research indicated that development rate of the parasitoid E. argenteopilosus is faster when reared on 3rd instar larvae. The higher the level of host-instar larvae, shorter time was needed to complete the parasitoid’s life cycle. Only 4.67% of the larvae completed its development to pupal stage, and only 1% reached adulthood, with males being the dominant of the emerging adults.

Ketertarikan Anaxipha longipennis Serville (Orthoptera: Gryllidae) terhadap Beberapa Jenis Gulma di Sawah sebagai Tempat Bertelur Sri Karindah; Ardiyanti Purwaningsih; Anis Agustin
Jurnal Entomologi Indonesia Vol 8 No 1 (2011): April
Publisher : Perhimpunan Entomologi Indonesia

Anaxipha longipennis Serville (Orthoptera: Gryllidae) is one of the generalist predator in rice habitat that has a potential as a biological control agents of rice leaf folder eggs and small insects such as rice hoppers. Females insert their eggs in plant tissue. The female’s oviposition site is important for the subsequent distribution of the cricket. Oviposition preference on 17 weeds species from rice habitat were tested in a free choice experiment in the laboratory. There was strong evidence to conclude that the cricket preferred certain plant for laying eggs. In free choice experiment nine species of weeds were preferred by A. longipennis for laying their eggs instead of rice. The preferred species were ranked as follows: rice, Monochoria vaginalis, Cyperus rotundus, C. iria, Echinochloa colonum, E. crusgalli, Eleusine indica, Fimbristylis miliacea, Imperata cylindrica, and Limnocharis flava. Whereas Ageratum conyzoides, Alternanthera sessilis, Commelina diffusa, Leersia hexandra, Leptochloa chinensis, Ludwigia adscendens, Panicum repens, and Sonchus arvensis were not preferred in free-choice test.

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