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All Journal Treubia
Sih Kahono
Museum Zoologicum Bogoriense, Zoology Division, Research Center for Biology-LIPI

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Journal : Treubia

 1 
EXTENT OF USE OF THE NOVEL FABACEOUS HOST CENTROSEMA MOLLE BY HENOSEPILACHNA VIGINTIOCTOPUNCTATA (COLEOPTERA: COCCINELLIDAE) IN NUSA TENGGARA, INDONESIA Naoyuki Fujiyama; Hideki Ueno; Sih Kahono; Sri Hartini; Kei W Matsubayashi; Shogo Kikuta; Haruo Katakura
Treubia Vol. 40 (2013): Vol. 40, December 2013
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v40i0.185

Abstract

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POTENTIAL ABILITY OF THE SOLANUM-FEEDING LADYBIRD BEETLE HENOSEPILACHNA DIFFINIS (COLEOPTERA; COCCINELLIDAE) TO USE THE INTRODUCED FABACEOUS PLANT CENTROSEMA MOLLE Shogo Kikuta; Naoyuki Fujiyama; Sih Kahono; Norio Kobayashi; Sri Hartini; Haruo Katakura
Treubia Vol. 40 (2013): Vol. 40, December 2013
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v40i0.187

Abstract

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Micro-spatial and seasonal distributions of two sympatric host races of the phytophagous ladybird beetle Henosepilachna diekei (Coleoptera: Coccinellidae) and their host plants in West Java, Indonesia Kei W Matsubayashi; Sih Kahono; Sri Hartini; Hauro Katakura
Treubia Vol. 40 (2013): Vol. 40, December 2013
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v40i0.181

Abstract

Divergent adaptation to different host plants may promote reproductive isolation between hostspecific populations in phytophagous insects, since strict preferences for different host plants act as an isolating barrier between populations on the different hosts. Moreover, a high dependence on the host plants may cause additional reproductive barriers, e.g., differences in micro-spatial distribution and phenology between host-specific populations when the host plants differ in these characters. However, few studies have specifically addressed these two types of host-plant-induced isolating barriers. Here we compared the microspatialdistribution and seasonal fluctuation of two host races of the phytophagous ladybird beetle Henosepilachna diekei (Coleoptera: Coccinellidae: Epilachnine) in Bogor, West Java, one depending on Mikania micrantha (Asteraceae) and the other on Leucas lavandulifolia (Lamiaceae). In the field, M. micrantha was far more abundant and common than L. lavandulifolia throughout the year. M. micrantha was found in relatively moist habitats with moderate sunlight, while L. lavandulifolia was found in dry, sunny, open habitats. Consequently, the beetles depending on M. micrantha were more common and abundant than those depending on L. lavandulifolia. Although the two host races could encounter one another where the two host plants occurred in close proximity, they infrequently did so because of strict host fidelity coupled with differences in the abundance and habitat of the two host plants. On the other hand, we detected no evidence of host-related seasonal isolation between the two host races.
Co-Authors Haruo Katakura Hauro Katakura Hideki Ueno Kei W Matsubayashi Naoyuki Fujiyama Norio Kobayashi Shogo Kikuta Sri Hartini Sri Hartini