Life history of the white grub Dasylepida sp. (Coleoptera : Scarabaeidae), a new and severe pest on sugarcane on the Miyako Islands, Okinawa
スポンサーリンク
概要
- 論文の詳細を見る
The life history of the white grub Dasylepida sp. was surveyed in a sugarcane field in Miyako Is., Okinawa, Japan. Adult flights were observed from early February to mid-March in 2001. Adults commenced flight just after sunset (at around 18:30) and mated. Sampling from the pots placed in the field on 19 April yielded 41.8% eggs and 58.2% first stadium larvae. Larvae sampled on 20 June, 2000 were found to consist of 33.3% and 66.7% of the first and second stadium larvae, respectively. On 22 August, 87.5% of larvae were second stadium and the remainder (12.5%) were third stadium larvae. The proportion of third stadium larvae increased and attained 100% by 30 November. In an excavation survey on 26 November, 2001, 11 adults (three females and eight males) and five pupae were found in the soil at a depth of around 45 cm. Pupae were found in the tunnel cavities. We believe that adults remain in the tunnels until the next February. In the rearing experiments at 25℃ in the laboratory, the egg period was 23.6 d and the larval periods of the first, second and third stadia were 80.9, 91.8 and 335.8 d, respectively. These facts indicated that Dasylepida sp. has a two-year life cycle.
- 日本応用動物昆虫学会の論文
著者
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Arakaki Norio
Okinawa Prefectural Agricultural Research Center
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Kishita Mitsunobu
Okinawa Prefectural Agricultural Research Center
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Kawamura F
Okinawa Prefectural Plant Protection Center
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Kawamura Futoshi
Okinawa Prefectural Plant Protection Center Okinawa Jpn
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Kawamura Futoshi
Okinawa Prefectural Plant Protection Center
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Kawamura Futoshi
Okinawa Prefectural Agricultural Experiment Station
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SADOYAMA Yasutsune
Okinawa Prefectural Agricultural Experiment Station
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Kishita Mitsunobu
Okinawa Prefectural Agricultural Res. Center (oparc)
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Kishita Mitsunobu
Okinawa Prefectural Agricultural Experiment Station
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Arakaki Norio
Okinawa Prefectural Agricultural Res. Center
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Arakaki Norio
Okinawa Prefectural Agricultural Experiment Station
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Sadoyama Y
Okinawa Prefectural Agricultural Res. Center (oparc)
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HIRAI Yoshio
National Institute of Agrobiological Science (NIAS)
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Oyafuso Akira
Okinawa Prefectural Agricultural Experiment Station, Miyako Branch
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Ishimine Masato
Okinawa Prefectural Agricultural Experiment Station, Miyako Branch
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Kinjo Masayo
Okinawa Prefectural Agricultural Experiment Station, Naha
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Kinjo Masayo
Okinawa Prefectural Agricultural Experiment Station Naha
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Oyafuso Akira
Miyakojima Branch Oparc
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Yasui Hiroe
Lab. Of Insect Behavior National Inst. Of Agrobiological Sciences (nias)
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Arakaki Norio
Okinawa Prefectural Agricultural Res. Center Okinawa Jpn
関連論文
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