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日本蚱的生活史及其它生物学特性
引用本文:张荣娇,王缉广,黄丹玲,邓维安.日本蚱的生活史及其它生物学特性[J].环境昆虫学报,2023(4):965-973.
作者姓名:张荣娇  王缉广  黄丹玲  邓维安
作者单位:1. 河池学院化学与生物工程学院,广西宜州 546300;2. 广西师范大学生命科学学院,珍稀濒危动植物生态与环境保护教育部重点实验室,广西珍稀濒危动物生态重点实验室,广西桂林 541006
基金项目:国家自然科学基金(31900351,31960111);广西自然科学基金(2020GXNSFBA159032);广西高等学校高水平创新团队及卓越学者计划项目(蚱类昆虫及其重金属污染研究团队);河池学院高层次人才科研项目(2019GCC009)
摘    要:日本蚱Tetrix japonica是一种广布于东亚地区的直翅目昆虫。本文通过野外观察与室内饲养相结合的方法,研究了日本蚱的卵块和各虫龄的形态特征、生活史、若虫及成虫的主要生活习性。结果表明:日本蚱喜欢栖息于具苔藓的矮草地表,主要取食幼嫩苔藓及腐殖质;在羽化7 d后开始出现交配现象,交配时间为1~1.5 h;交配后1~3 d内将大米粒状卵粒产于苔藓泥土中,卵块的形状近似橘瓣状,卵粒数目通常为10~30粒;卵经过6~10 d可孵化为若虫;雄性共有6龄,雌性共有7龄,每个虫龄历期随虫龄的增长而增加;不同虫龄的日本蚱在形态上具有一定的差异。此外,研究还发现日本蚱的前胸背板与翅型存在多态现象,可能在进化适应中起重要作用。

关 键 词:日本蚱  生活史  生物学特性  多态现象

Life cycle and other biological characteristics of Tetrix japonica
ZHANG Rong-Jiao,WANG Ji-Guang,HUANG Dan-Ling,DENG Wei-An.Life cycle and other biological characteristics of Tetrix japonica[J].Journal of Environmental Entomology,2023(4):965-973.
Authors:ZHANG Rong-Jiao  WANG Ji-Guang  HUANG Dan-Ling  DENG Wei-An
Institution:1. School of Chemistry and Bioengineering, Hechi University, Yizhou 546300, Guangxi Zhuang Autonomous Region, China; 2. Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection of Ministry of Education, Guangxi Key Laboratory of Rare and Endangered Animal Ecology, College of Life Science, Guangxi Normal University, Guilin 541006, Guangxi Zhuang Autonomous Region, China
Abstract:Tetrix japonica is a kind of Orthoptera insect widely distributed in East Asia. Morphological characteristics, life cycle, and behavioral features of nymphs and adult of T. japonica were observed through field observation and indoor rearing. The results showed that T. japonica inhabits on the low grassland with moss, and its main food was tender moss and humus; usually mating behavior occurs 7 days after emerging and lasts for 1 to 1.5 hours; an ovipositing gesture initiates 1~3 days after the copulating; egg was riziform and laid under the moss soil in egg mass like a tangerine section containing 10 to 30 eggs. Nymphs can be hatched within 6~10 days and the male and female nymphs and adult consist of 6 and 7 instars, respectively. The stadium of each instar increases with the increase of instars. There are some differences in morphology among different instars. Moreover, we found that the pronotum and wing morphs of T. japonica exhibit polymorphism which may play an important role in evolutionary adaptation.
Keywords:Tetrix japonica  life cycle  biological characteristics  polymorphism
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