Outbreaks and Delayed Hatching after Hibernation in the Rice Grasshopper, Oxya yezoensis SHIRAKI(Orthoptera:Catantopidae)

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概要

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• Oxya yezoensis has been resurging in paddy fields during the last several years in Japan. Surveys mad in 1989-1992 showed that this grasshopper occurred in at least 45 out of 71 localities between 31°N and 43°N. O. yezoensis was abundant in northeastern Honshu, and was found, at restricted sites only, in Hokkaido, southwestern Honshu, and Kyushu. Many local samples collected in late autumn contained nymphs, and systematic samplings in Hirosaki (40°33'N) showed continuous occurrence of 1st-instar nymphs from late May to October. The critical data of hatching for emergence as an adult was August 25 in 1990 and August 20 in 1991. Eggs of the Hirosaki strain entered an obligatory diapause at 20-35℃. Those from other localities also entered diapause. Therefore, it is likely that the occurrence of 1st-instar nymphs in autumn does not represent a partial second generation but derives from delayed hatching of overwintering eggs.

• 日本応用動物昆虫学会の論文
• 1993-05-25

著者

• ANDO Yoshikazu

  Laboratory of Entomology. Faculty of Agriculture, Hirosaki University

• Ando Yoshikazu

  Laboratory Of Applied Entomology Faculty Of Agriculture Iwate University

• YAMASHIRO Chikako

  Niigata Chuetsu Plant Protection Office

• Yamashiro C

  Hirosaki Univ. Hirosaki Jpn

関連論文

• Effects of Photoperiod on Nymphal Development, Pre-Oviposition Period and Egg Diapause in the Subtropical Rice Grasshopper, Oxya chinensis formosana SHIRAKI (Orthoptera: Catantopidae)
• Effects of crowding and photoperiod on wing morph and egg production in Eobiana engelhardti subtropica (Orthoptera: Tettigoniidae)
• The effect of temperature on embryonic development and local adaptation in the life cycle of Eobiana engelhardti subtropica Bey-Bienko (Orthoptera : Tettigoniidae)
• Geographic Variation in the Incidence of Non-diaopause Eggs of the False Melon Beetle, Atrachya menetriesi FALDERMANN (Coleoptera : Chrysomelidae)
• Egg Diapause and Ambient Oxygen Tension in the False Melon Beetle, Atrachya menetriesi FALDERMANN(Coleoptera : Chrysomelidae)
• STRUCTURE OF THE CHORION IN THE FALSE MELON BEETLE, ATRACHYA MENETRIESI FALDERMANN (COLEOPTERA : CHRYSOMELIDAE)
• Egg Diapause and Water Absorption in the False Melon Beetle, Atrachya menetriesi FALDERMANN(Coleoptera : Chrysomelidae)
• Distribution of Mercury in the Eggs of the False Melon Beetle, Atrachya menetriesi FALDERMANN (Coleoptera : Chrysomeridae), Treated with Mercuric Chloride for Breaking Diapause
• The Effect of Mercury Compounds on Breaking of Diapause in the Eggs of the False Melon Beetle, Atrachya menestriesi FALDERMANN (Coleoptera : Chrysomeridae)
• High Temperature and Diapause Termination in the Eggs of Teleogryllus commodus (Orthoptera : Gryllidae)
• Thermoperiod Reduces the Thermal Constant Required for Oviposition in the Leaf Beetle Atrachya menetriesi
• Effect of Temperature on the Termination of Prolonged Initial Diapause in Eobiana japonica (Bolivar)(Orthoptera : Tettigoniidae)
• Outbreaks and Delayed Hatching after Hibernation in the Rice Grasshopper, Oxya yezoensis SHIRAKI(Orthoptera:Catantopidae)
• Seasonal and Altitudinal Adaptations in Three Katydid Species : Ecological Significance of Initial Diapause
• Photoperiodic Control of Adult Diapause in a Subtropical Katydid, Euconocephalus pallidus REDTENBACHER(Orthoptera:Tettigoniidae)

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