The life history and adult daily rhythm of Gilpinia yongrenica Xiao et Huang in Guizhou Province were observed and recorded.The results showed that there were three generations of G.yongrenica in Guizhou area;the firs...The life history and adult daily rhythm of Gilpinia yongrenica Xiao et Huang in Guizhou Province were observed and recorded.The results showed that there were three generations of G.yongrenica in Guizhou area;the first generation occurred from late March to middle July;the second generation occurred from early June to middle October;and the third generation occurred from middle September to late April.The ratio of male to female was 5.75∶1,and the emergence rate was 88.25%.The emergence of adults changed significantly with time,and the peak emergence period was at 12:00-13:00.The resting behavior accounted for the largest proportion in daily time distribution of adult behavior;followed by moving behavior and spawning behavior;and the mating behavior accounted for the smallest proportion.The moving behavior mainly occurred during the daytime,which reached the peak at 8:00-11:00.The resting behavior mainly occurred at 19:00-7:00,with the maximum reaching 100%.The mating behavior was concentrated at 12:00-13:00,which reached the peak at 13:00(19.5%).The spawning behavior mainly occurred at 14:00-15:00,and reached the peak at 14:00(42.1%).展开更多
抚宁吉松叶蜂Gilpinia funingensis Zhou et Huang是危害油松的一种新害虫.此虫在河北省抚宁县1年发生两代,以预蛹在地面越冬,有滞育现象.雌雄性比为1:0.61.产卵量平均为70粒,平均寿命4.7天,无孤雌生殖现象.幼虫5龄,喜食老叶,食叶量近40...抚宁吉松叶蜂Gilpinia funingensis Zhou et Huang是危害油松的一种新害虫.此虫在河北省抚宁县1年发生两代,以预蛹在地面越冬,有滞育现象.雌雄性比为1:0.61.产卵量平均为70粒,平均寿命4.7天,无孤雌生殖现象.幼虫5龄,喜食老叶,食叶量近400cm.抚宁吉松叶蜂有喜阴习性,在郁闭度较大的油松林中发生较重.天敌主要有平庸赘寄蝇、镶颚姬蜂、松毛虫狭颊寄蝇,寄生率50％左右.应用40％氧化乐果乳油2000倍液或20％速灭杀丁乳油5000倍液喷雾防治幼虫,防治效果可达90％以上.展开更多
Gilpinia lipuensis ,damaged to Pinus massoniana ,was an accidental insect and had 3 generation each year in Xianju of Zhejiang Province.It overwintered in pupa and begined emergence in the middle of April of next year...Gilpinia lipuensis ,damaged to Pinus massoniana ,was an accidental insect and had 3 generation each year in Xianju of Zhejiang Province.It overwintered in pupa and begined emergence in the middle of April of next year.The larva of first generation occured at the end of April to the middle or late June.The larva of the second generation occured in the early July to middle or late August.The larva of the third generation occured in the middle of September to early or middle November.Applying some pesticides such as deltamethrin was effective and satisfactory.展开更多
基金Supported by Key Technology R&D Program of Guizhou Department of Science and Technology(QKH NY[2015]3030)Science and Technology Platform and Talent Team Plan of Guizhou Province(QKHPTRC[2017]5615,QKHPTRC[2017]5793).
文摘The life history and adult daily rhythm of Gilpinia yongrenica Xiao et Huang in Guizhou Province were observed and recorded.The results showed that there were three generations of G.yongrenica in Guizhou area;the first generation occurred from late March to middle July;the second generation occurred from early June to middle October;and the third generation occurred from middle September to late April.The ratio of male to female was 5.75∶1,and the emergence rate was 88.25%.The emergence of adults changed significantly with time,and the peak emergence period was at 12:00-13:00.The resting behavior accounted for the largest proportion in daily time distribution of adult behavior;followed by moving behavior and spawning behavior;and the mating behavior accounted for the smallest proportion.The moving behavior mainly occurred during the daytime,which reached the peak at 8:00-11:00.The resting behavior mainly occurred at 19:00-7:00,with the maximum reaching 100%.The mating behavior was concentrated at 12:00-13:00,which reached the peak at 13:00(19.5%).The spawning behavior mainly occurred at 14:00-15:00,and reached the peak at 14:00(42.1%).
文摘抚宁吉松叶蜂Gilpinia funingensis Zhou et Huang是危害油松的一种新害虫.此虫在河北省抚宁县1年发生两代,以预蛹在地面越冬,有滞育现象.雌雄性比为1:0.61.产卵量平均为70粒,平均寿命4.7天,无孤雌生殖现象.幼虫5龄,喜食老叶,食叶量近400cm.抚宁吉松叶蜂有喜阴习性,在郁闭度较大的油松林中发生较重.天敌主要有平庸赘寄蝇、镶颚姬蜂、松毛虫狭颊寄蝇,寄生率50％左右.应用40％氧化乐果乳油2000倍液或20％速灭杀丁乳油5000倍液喷雾防治幼虫,防治效果可达90％以上.
文摘Gilpinia lipuensis ,damaged to Pinus massoniana ,was an accidental insect and had 3 generation each year in Xianju of Zhejiang Province.It overwintered in pupa and begined emergence in the middle of April of next year.The larva of first generation occured at the end of April to the middle or late June.The larva of the second generation occured in the early July to middle or late August.The larva of the third generation occured in the middle of September to early or middle November.Applying some pesticides such as deltamethrin was effective and satisfactory.
