지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Predation efficiency and preference of the hydrophilid water beetle, Hydrocharaaffinis (Coleoptera: Hydrophilidae), larvae on two mosquito species, Culex pipiens molestus andOchlerotatus togoi, were tested under laboratory conditions. Experiments were conducted in atransparent cylindrical plastic container (diameter, 100 mm; height, 40 mm; water level, 15 mm)for 24 hours (16 h, light; 8 h, dark) at 25C. The predation efficiency of H. affinis on mosquitolarvae was investigated under various prey conditions (1, 2, 4, 8, 16, 32, 64, and 128 larvae) withfive replicates. Further, in order to investigate the prey preference on two mosquito species, each32 larvae of C. pipiens molestus and O. togoi were provided simultaneously for the first instarlarva of H. affinis with 5 replicates. As a result, the predation curves of H. affinis on two mosquitospecies were logarithmic; and the number of consumed prey increased as the number of predatorinstars were increased. As predicted from the predation curves, the estimated maximum numberof C. pipiens molestus and O. togoi consumed by a third instar larva of H. affinis per a day was926 and 304 larvae, respectively. As predicted from the Holling’s disk equation, the differences inconsumed prey number between predator instars and prey species were caused by handling time rather than attack rate. Handling time decreased rapidly as the predator larvae grew, and that ofO. togoi was twice longer than that of C. pipiens molestus.
목차
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참고문헌 (11)
참고문헌 신청
Charbonneau CS / 1994 / Effects of Bacillus thuringiensis var. israelensis on non-target benthic organisms in a lentic habitat and factors affecting the efficacy of the larvi
Holling CS. / 1959 / Some characteristics of simple type of predation and parasitism / Can. Entomol 91 : 385 ~ 398
Hosoi M. / 1947 / The life history of Hydrochara affinis / Collect. Breed 9 : 201 ~ 204
Inoda T / 2003 / Asymmetric mandibles of water-scavenger larva improve feeding effectiveness on right-handed snails / Amer. Natur 162 : 811 ~ 814
Kim WJ / 1999 / Characterization of a mosquitocidal delta-endotoxin from Bacillus thuringiensis subsp. guiyangiensis strain 21-2 (H serotype 43). / Korean J. Appl. Microbiol.
Holling CS. / 1959 / Some characteristics of simple type of predation and parasitism / Can. Entomol 91 : 385 ~ 398
Hosoi M. / 1947 / The life history of Hydrochara affinis / Collect. Breed 9 : 201 ~ 204
Inoda T / 2003 / Asymmetric mandibles of water-scavenger larva improve feeding effectiveness on right-handed snails / Amer. Natur 162 : 811 ~ 814
Kim WJ / 1999 / Characterization of a mosquitocidal delta-endotoxin from Bacillus thuringiensis subsp. guiyangiensis strain 21-2 (H serotype 43). / Korean J. Appl. Microbiol.
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