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All Journal TREUBIA BERITA BIOLOGI
WORO A NOERDJITO, WORO A
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education

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CHANGES IN THE COMPOSITION OF INSECT COMMUNITIES OF LADANG IN TANAH MERAH, EAST KALIMANTAN ADISOEMARTO, SOENARTONO; SUHARDJONO, YAYUK R; NOERDJITO, WORO A
TREUBIA Vol 29, No 1 (1983): Vol. 29 No. 1, 1983
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v29i1.1594

Abstract

ABSTRACT NOT AVAILABLE
PERILAKU PERTAHANAN DERI KUMBANG KUYA MAS ASPIDOMORPHA SANCTAECRUCIS FABRICIUS (CHRYSOMELIDAE, CASSEDEVI) TERHADAP SEMUT PADA POMOEA CARNEA AUCT Noerdjito, Woro A; Ito, Fuminori; Nakamura, Koji
BERITA BIOLOGI Vol 5, No 1 (2000)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v5i1.1098

Abstract

Ants are of high density on the host plant of golden tortoise beetle, Ipomoea carnea, and are being attracted by extrafloral nectaries on petiols.They are important predators of immature stages (eggs, larvae and pupae) of the beetles.The experiment was aimed to know how the golden tortoise beetles defense themselves against ants on I. carnea.The results indicated that golden tortoise beetle,both larvae and adults showed odd habits.They have a specific external organ, a protective camouflage with excreta of the larvae and oviposition strategy.The ant-beetle interaction on the host plants are discussed.
FLUKTUASI CURAH HUJAN DAN KOMUNITAS SERANGGA DI HUTAN TROPIS TAMAN NASIONAL GUNUNG HALIMUN*[Fluctuation of rainfall and insect community in a tropical forest, Gunung Halimun National Park] Kahono, Sih; Noerdjito, Woro A
BERITA BIOLOGI Vol 5, No 6 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v5i6.1082

Abstract

Study on fluctuation of rainfall and insect community was conducted in a tropical forest, Gunung Halimun National Park. Ten years rainfall data was available to discuss their fluctuations. Rainfall was relatively non-seasonal with high number of almost entire monthly rainfalls.Although fluctuation of rainfall in GHNP did not show clear seasonal trend, however appearance of less rainfall showed from June to September. There were several slight fluctuations in the number of rainfalls from a month to another and some time showed major and minor peaks. Monthly dry months had never reached 0 mm. In ordinary years, only one-month drought occurred in July 1991 (90 mm) and December 2000 (8 mm). Strong drought occurred only during El Nino of 1994 and 1997, which have 3 to 4 dry months. Fluctuation of insect community was studied from March 2000 up to February 2001. Two insect collection methods were applied by setting up light traps and pitfall traps. Total individual of each order of insect counted monthly and to be compared one to another. Changing the number of monthly individual of each order was interpreted to the number of monthly rainfall in order to analyze the relation of changing of the number of rainfall and the individual of each order of the insect collected. Fluctuation of the number of monthly rainfall was synchronous to the number of insect community collected by light traps (night flying insect) but tend to opposite to the number of insect collected by pitfall traps (ground insect).
Co-Authors Ito, Fuminori Koji Nakamura, Koji Sih Kahono SOENARTONO ADISOEMARTO, SOENARTONO YAYUK R SUHARDJONO, YAYUK R