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KMID : 0352719890130010119
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Journal of Ginseng Research
1989 Volume.13 No. 1 p.119 ~ p.122
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The Oviposition Period, Emergence Period, and Flight Activity of the African Mole Cricket(Gryllotalpa africana Palisct do Beauvois) Adult Damaging Ginseng Plants
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김기황
김상석/손준수
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Abstract
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phenological study on the oviposition, emergence, and flight activity of the African mole cricket adult has been made to obtain basic information for management of pest populations in ginseng fields. The flight activity, as monitored by the blarklight trap, seemed to be initiated depending on the sunset time and lasted about 2-2.5 hours. The trap data (1984-1988) showed that the adult flight of the species occurred twice a year, from early May to late June(Spring flight) and from late August to mid October(Fall flight) during which usually more crickets were trapped than during the former period. The number of females trapped was greater than that of males regardless to the flight period, i.e., females comprised 72.2%, 83.9%, and 73.3% of the total catches in 1984, 1985, and 1986, respectively. Adults emerged from late August to mid October and laid eggs from mid May to mid July the next year, indicating that the spring and fall flights correspond to the oviposition and emergence period, respectively.
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KEYWORD
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Gryllotalpa africana, flight activity oviposition, emergence
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