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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 5 Documents

Search results for , issue "Vol 3 No 2 (2006): September" : 5 Documents clear

Aktivitas minyak dan serbuk enam spesies tumbuhan terhadap peneluran dan Mortalitas Callosobruchus sp. (Coleoptera: Bruchidae) Dadang Dadang; Budi Saputro; Kanju Ohsawa
Jurnal Entomologi Indonesia Vol 3 No 2 (2006): September
Publisher : Perhimpunan Entomologi Indonesia

Storage pests remain one of the main problems in storage. The pest attacks occur not only in the field, but also in storage. Control should be done to maintain the quality of storedproducts. The environmentally friendly measures should be implemented to avoid negative impacts to the environment and human being. The objective of this research was to study the mortality and oviposition deterrence caused by powder and oil of six plant species against Callosobruchus sp. (Coleoptera: Bruchidae). Flowers of Eugenia aromatica, roots of Vetiveria zizanioides, leaves of Pogostemon cablin, seeds of Ricinus communis, seeds of Foeniculum vulgare, and stems of Cymbopogon citratus were air-dried and milled to yield powder. Oil of six plant species were purchased from local market. Oviposition deterrent bioassay was conducted by no-choice method for both powder and oil, while mortality bioassay was conducted by topical application and residual methods for plant oil only. Several plant species showed high biological activity to Callosobruchus sp. Powder of E. aromatica and oil of V. zizanioides caused high oviposition deterrence, while oil of V. zizanioides and E. aromatica caused high mortality.

Penyimpanan suhu rendah berbagai fase hidup parasitoid: pengaruhnya terhadap parasitisasi dan kebugaran Trichogrammatoidea armigera Nagaraja (Hymenoptera: Trichogrammatidae) Murtiyarini Murtiyarini; Damayanti Buchori; Utomo Kartosuwondo
Jurnal Entomologi Indonesia Vol 3 No 2 (2006): September
Publisher : Perhimpunan Entomologi Indonesia

T. armigera is one of the potential egg parasitoids. The aim of this research was to study the effects of low temperatures ( 9ºC and 15ºC) on the fitness of T. armigera. The design of the experiments is a factorial design with two factors (temperature and age of parasitoid), with 10 replicates. Fitness were measured based on the survival, fertility, size, sex ratio, lifespan and fecundity. Result showed that the emergence of T. armigera was postponed by 2-5 days under low temperatures. Temperatures had a more significant effect than age of parasitoid. The postponement of adult emergence is very useful in regard to field application schedules. Percentage of adults emergence, sex ratio, egg productivity, fecundity tended to decrease under low temperatures, the length of female adult wings varied in each treatment and it tended to be shorter in 9ºC, while the width of female adult heads was almost similar in all treatment except in untreated control. These characters are very important in determining the fitness of the parasitoid in the field.

Keanekaragaman spesies parasitoid telur Helicoverpa armigera (Hübner) pada sistem tanam monokultur dan polikultur kapas nurindah nurindah; Sujak Sujak
Jurnal Entomologi Indonesia Vol 3 No 2 (2006): September
Publisher : Perhimpunan Entomologi Indonesia

Polyculture system is one of techniques in pest management. In Indonesia, cotton is always intercropped with second food crops such as maize, soybean, mungbean or peanut. This research was aimed to evaluate the effect of culture system, i.e. cotton monoculture vs. cotton intercropped with soybean on the increase of species diversity of H. armigera egg parasitoids and the parasitoid contribution to mortality of H. armigera. The research was arranged in a split plot design with two main factors: three cotton varieties with three levels of trichome density (Tamcot SP 37, Kanesia 8 and LRA 5166) and the subplots were two cultivation systems (cotton monoculture and polyculture), with three replicates. Observations were made by collecting H. armigera eggs on population of first generation (45 days after planting) and second generation (75 DAP). The results showed that on cotton polyculture the egg parasitoid complex which consisted of Trichogramma spp. and Trichogrammatoidea spp. was higher than that in cotton monoculture and so was the egg parasitism level. The increase of egg parasitism was 24% in the first generation and 15% in the second generation. Parasitoid species found belonged to the genera Trichogramma and Trichogrammatoidea. In the parasitoid complex, Trichogrammatoidea armigera was dominant on the first generation and Trichogramma chilotraeae on the second. The domination succession could be as a result of the higher host-searching capacity of T. chilotraeae than that of T. armigera.

Jenis dan habitat “lalat mata bertangkai” (Diptera: Diopsidae) di bogor Sopian Sopian; Purnama Hidayat
Jurnal Entomologi Indonesia Vol 3 No 2 (2006): September
Publisher : Perhimpunan Entomologi Indonesia

Stalk eye flies (Diptera: Diopsidae) is an insect family which has unique eye morphology. Their eyes are in the distal end of a long stalk. The information of species and their habitats is still very limited in Indonesia. Therefore, the objectives of this research were studying species diversity, habitat, and distribution areas of stalk eye flies in soroundings in Bogor. The sample sites are classified into three areas; lowland, middle, and upland. The flies ware taken with two methods: net sweeping and direct capture, then parts of the body were measured. The observation of stalk eye flies activity and behavior was done in the morning, midday, and afternoon. The result of observation indicated that stalk eye flies were found almost in all areas, from lowland to upland. On 15 survey locations, stalk eye flies were found in 10 locations with the same habitat. The species are Cyrtodiopsis dalmanni and Teleopsis sp.. C. dalmanni was found in 5 locations, and Teleopsis sp. in 9 locations. The observation result of stalk eye flies activity and behavior indicated that the number of stalk eye flies which captured in three period of time were not obviously different. Result from measuring stalk eye flies bodyparts indicated that the average size of male and female flies was not obviously different, except the male stalk is longer than female. In addition, C. dalmanni stalks are longer than Teleopsis sp. stalks.

Distribusi dan kelimpahan parasitoid telur, Telenomus spp. di sumatera barat: status dan potensinya sebagai agens pengendali hayati Eddy Susiawan; Netti Yuliarti
Jurnal Entomologi Indonesia Vol 3 No 2 (2006): September
Publisher : Perhimpunan Entomologi Indonesia

Exploration of egg parasitoids was conducted by collecting host eggs from soybean, vegetable crops, peas, corn and rice fields in West Sumatra. We found six species Telenomus distributed throughout studied locations in West Sumatera. Four species have been identified, namely T. remus Nix., T. rowani Gah., T. dignus Gah., T. dignoides Nix., whereas two others have not been identified yet because there is no appropriate identification key. The results showed that the both T. rowani Gah. and T. dignus Gah were distributed in all studied locations with different individual number, but they could be potentially be used as biocontrol agents in the future. The highest numbers of species was found in Tanah Datar and Solok with different abundance, whereas the lowest number of species were in Agam and Lima Puluh Kota.

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Contact Name
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Journal Mail Official
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Location
Kota bogor,

Jawa barat

INDONESIA