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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 10 No 1 (2013): April" : 6 Documents clear

Pertumbuhan dan perkembangan larva Musca domestica Linnaeus (Diptera: Muscidae) dalam beberapa jenis kotoran ternak Ramadhani Eka Putra; Abdul Rosyad; Ida Kinasih
Jurnal Entomologi Indonesia Vol 10 No 1 (2013): April
Publisher : Perhimpunan Entomologi Indonesia

House fly (Musca domestica) is an important urban insect that can transmit various infectious diseases. This insect usually utilized organic wastes as nutrition source for their larvae. One of the main sources of organic wastes is livestock manure produced by animal farming located near human dwelling area. Thus, appropriate house fly population control program at animal farm is needed,based on information on the house fly’s life history. The research is focused on the development of house fly larvae reared with different livestock manures, such as cow, chicken, and horse. As comparison, rice bran were used as control. Results showed that larvae reared with horse manure has the shortest development time (5 days), with lowest larval survival rate (30%), pupal weight (6.8 ± 0.141 g), and weight of female imago (4.9 ± 0.14 g). This finding indicates the lowest nutrition value of horse manure for house flies larvae. Further research is needed to find the effect of manure to variables that directly influence population growth, such as fecundity of female flies and egg survivorship. These additional information on life history will help the design of appropriate house fly population management program for animal farm.

Pengaruh umur larva terhadap kualitas ratu yang dihasilkan pada penangkaran lebah ratu Apis cerana L. (Hymenoptera: Apidae) dengan teknik pencangkokan Kuntadi Kuntadi
Jurnal Entomologi Indonesia Vol 10 No 1 (2013): April
Publisher : Perhimpunan Entomologi Indonesia

An experimental study to find out the effect of larval ages to the quality of queens produced through queen-grafting technique has been done in Apis cerana colony. Each of four larval ages(1-4 day-old larvae) was grafted into 5 queen cups in every single colony. Five colonies were used in the study as experimental replications. Pupal weight was used as initial indicator of potential reproductivity of upcoming queen. The results showed that larval age affected both the acceptance rate of grafted larvae and queen pupal weight. The acceptance rate of young larvae was higher than old larvae as shown by their successful number of capped queen cells development. The mean number of capped queen cells developed from larvae at the age of 1, 2, 3, and 4 day-old were 4.4 ± 1.1 cells/colony, 3.4 ± 1.1 cells/colony, 2.0 ± 1.0 cells/colony, and 2.4 ± 0.5 cells/colony, respectively. The queens reared from 1 and 2 day-old larvae significantly had heavier pupae than those from both 3 and 4 day-old larvae. The mean pupal weight grafted from 1, 2, 3 day, and 4 day old larvae were 153.33 ± 4.48 mg/pupae, 149.14 ± 6.29 mg/pupae, 126.17 ± 7.28 mg/pupae, and 126.70 ± 7.61 mg/pupae, respectively. There were no differences between pupal weight grafted from 1 and 2 day-old larvae and between pupal weight grafted from 3 and 4 day-old larvae. The study showed that 1 and 2 day-old grafted larvae potentialy produced better quality queens than those of older larvae.

Aktivitas insektisida ekstrak buah Piper aduncum L. (Piperaceae) dan Sapindus rarak DC. (Sapindaceae) serta campurannya terhadap larva Crocidolomia pavonana (F.) (Lepidoptera: Crambidae) Yan Yanuar Syahroni; Djoko Prijono
Jurnal Entomologi Indonesia Vol 10 No 1 (2013): April
Publisher : Perhimpunan Entomologi Indonesia

Crocidolomia pavonana is an important pest of Brassicaceous vegetable crops. Botanical insecticides are potential alternatives for the control of C. pavonana pest. Insecticidal activity of Piper aduncum and Sapindus rarak fruit extracts as well as their mixtures was evaluated against C. pavonana larvae in the laboratory. Ethyl acetate P. aduncum (EtPa) extract as well as methanolic S. rarak (MeSr) and aqueous S. rarak (AqSr) extracts were tested separately and in mixtures against second-instar larvae C. pavonana by a leaf-residue feeding method. At the LC95 level - 72 hours after treatment (HAT), EtPa extract was about 14.5 and 12.8 times, respectively, more toxic to C. pavonana larvae than MeSr and AqSr extracts. At the LC95 level, EtPa + MeSr extract mixture (1 : 10 w/w) was about 1.64 times more toxic to the test larvae than EtPa + AqSr extract mixture (1 : 10 w/w). Based on combination index at 48, 72, and 96 HAT, EtPa + MeSr extract mixture at LC50 level as well as EtPa + AqSr extract mixture at LC50 and LC95 levels had additive joint action, whereas EtPa + MeSr extract mixture at LC95 was weakly synergistic. In addition to lethal effect, the treatment with all test materials delayed the development of C. pavonana larvae from second-instar to fourth instar. Thus, EtPa, MeSr, and AqSr extracts as well as the mixtures between EtPa and S. rarak extracts are potential alternatives for the control of C. pavonana pest.

Uji ketahanan galur padi terhadap wereng coklat biotipe 3 melalui population build-up Baehaki Suherlan Effendi; Dede Munawar
Jurnal Entomologi Indonesia Vol 10 No 1 (2013): April
Publisher : Perhimpunan Entomologi Indonesia

Screening of rice lines resistance to brown planthopper (BPH) through mass screening, filtering line resistance and the population build-up are essential for the release of resistant rice varieties. In addition, the stages of the endurance are important in determining the stability of resistance, as well as the type of resistant. The research was carried out in the screen house at Indonesian Center for Rice Research in 2007. The BPH used in the research was the off spring of BPH biotype 3 that had been rearing on IR42 (bph2) variety since 1994. The result of this research showed that 22.2% of 18 lines/varieties were moderately resistant to BPH biotype 3ft namely BP4130-1f-13-3-2*B, BP4188-7f-1-2-2*B, BP2870-4e- Kn-22-2-1-5*B, and Pulut Lewok. On the population build-up test, the above lines/varieties were moderately resistant to BPH biotype 3pb. The low FPLI values were found in BP4130-1f-13-3-2*B and Pulut Lewok. The highest tolerance index was found on BP4130-1f- 13-3-2*B and Pulut Lewok followed by BP2870-4e-Kn-22-2-1-5*B and BP4188-7f-1-2-2*B. Pulut Lewok has the highest antibiosis index and is not significantly different to BP4130-1f-13-3-2*B, while BP4188-7f-1-2-2*B was lowest. Although Pulut Lewok has antibiosis defense mechanism, it is not tolerant to BPH biotype 3. The BP4130-1f-13-3-2*B line have both antibiosis and tolerant to BPH biotype 3. BP4188-7f-1-2-2*B line has tolerance character, but does not have character of antibiosis to BPH biotype 3.

Perubahan morfologi larva nyamuk akibat pemberian larvasida bakteri kitinolitik Yekki Yasmin; Lenni Fitri
Jurnal Entomologi Indonesia Vol 10 No 1 (2013): April
Publisher : Perhimpunan Entomologi Indonesia

The aim of this research is to evaluate the change of Aedes aegypti L. and Culex spp. larvae morphology effected by chitinolitic bacteria as larvacide. This research was conducted in Microbiology Laboratory, Faculty of Math and Natural Science, University of Syiah Kuala. The sample was taken from several areas in Banda Aceh and Aceh Besar. The isolation was accomplished by plating 1 ml of sample water on chitin agar medium and incubating for 48–72 hours in 30 °C temperature. In the experimental method, three concentrations of chitinolitic bacteria (0.5, 1.0, and 1.5 ml) in 7 days observation were used as a treatment. The research resulted in 6 isolates having the potential to be developed firther as chitinolitic bacteria. The result shows that chitinolitic bacteria degrades exosceleton of second instar larvae of Aedes aegypti and Culex spp. Degradation of exoskeleton started on the 4th days and occurred at the thorax region. All exoskeleton from both species are completely broken on day six.

Keanekaragaman laba-laba dan potensinya sebagai musuh alami hama tanaman jambu mete I Wayan Suana; Hery Haryanto
Jurnal Entomologi Indonesia Vol 10 No 1 (2013): April
Publisher : Perhimpunan Entomologi Indonesia

Sanurus sp., Acrocercops sp. and Helopeltis sp. are important pests of cashews in Nusa Tenggara Barat. Pesticide usage to control these pests has so far not been successful, and thus the usage of natural enemy as an alternative control methods should be developed. Spider represents one of the natural enemies which are found in cashew plantation. The aims of the research is to study spider population and its predatory ability in cashew plantation. The study has been conducted in an area of cashew plantation at Dusun Jugil, Desa Sambik Bangkol, Lombok Utara. Spider predation was directly observed for 78 days, starting from May to August 2009. Edgar formula was used to measure spider predation per day. The study found 19 species of spider consisting from eight families. The abundance of Neoscona theisi is higher than Tetragnatha maxillosa, but the proportion of N. theisi with prey is less than T. maxillosa. This phenomenon indicates that spider’s abundance, does not directly show its potential as natural enemy in that habitat. N. nautica consumed at least 3.84 preys per day, but not all of its prey represents the pest of cashew. N. theisi consumed 1.67 preys per day and all of its prey represents pests of cashew. This study show that the amount of prey which can be consumed by spider per day does not directly show the potential of spiders as natural enemey of cashew pest.

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