[1]舒晓晗,赵日那,孟玲,等.我国异色瓢虫体型大小和色斑类型变异与纬度的关系[J].南京农业大学学报,2019,42(1):88-93.[doi:10.7685/jnau.201803037]
 SHU Xiaohan,ZHAO Rina,MENG Ling,et al.Body size and color spot pattern in relation to the latitude in Harmonia axyridis(Coleoptera: Coccinellidae) from China[J].Journal of Nanjing Agricultural University,2019,42(1):88-93.[doi:10.7685/jnau.201803037]
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我国异色瓢虫体型大小和色斑类型变异与纬度的关系()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
42卷
期数:
2019年1期
页码:
88-93
栏目:
植物科学
出版日期:
2019-01-09

文章信息/Info

Title:
Body size and color spot pattern in relation to the latitude in Harmonia axyridis(Coleoptera: Coccinellidae) from China
作者:
舒晓晗 赵日那 孟玲 李保平
南京农业大学植物保护学院/农作物生物灾害综合治理教育部重点实验室, 江苏 南京 210095
Author(s):
SHU Xiaohan ZHAO Rina MENG Ling LI Baoping
College of Plant Protection/Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing Agricultural University, Nanjing 210095, China
关键词:
异色瓢虫贝格曼法则地理变异体型性二型体型大小色斑类型
Keywords:
Harmonia axyridisBergmann’s rulegeographical variancesexual size dimorphismbody sizecolor spot pattern
分类号:
Q968.1
DOI:
10.7685/jnau.201803037
摘要:
[目的]体型大小不仅是动物的重要形态特征之一,而且与动物的生活史、生态学和进化密切相关。本研究旨在揭示我国广布的异色瓢虫(Harmonia axyridis)地理种群间形态分化的规律。[方法]从全国纬度在28°(浙江龙泉)至45°(黑龙江哈尔滨)之间的区域采集异色瓢虫样本,测量雌、雄成虫体长及体宽和体积,并观察色斑类型,分析形态特征变异与纬度的关系。[结果]异色瓢虫成虫存在体型性二型现象,雌虫体型显著大于雄虫;雌、雄虫体型大小的差异随纬度升高而减小。雌虫体型不随纬度变化而变化,与贝格曼法则的预测不符;但雄虫体型随纬度上升而增大,符合贝格曼法则。种群中具有淡底色型色斑的异色瓢虫数量占优,具有暗底色型色斑的昆虫较少,暗底色型中黑缘型昆虫极少;具有淡底色型色斑瓢虫占比在高纬度地区略大于低纬度地区。[结论]异色瓢虫体型大小及色斑类型与纬度存在一定相关性。
Abstract:
[Objectives]Animal body size is not only a morphological trait of importance,but also associated with life history,ecology and evolution. This study examined morphological variation among geographical populations of Harmonia axyridis in China. [Methods]Samples of H. axyridis adults were collected at random from the range between 28° and 45° latitudes and measured in their body size(length,width and volume) by sex;their color spot patterns were also categorized. These measures were analyzed in relation to latitude. [Results]Female body was significantly larger than the male,and sexual differences decreased with increasing latitudes. Female body size did not vary with latitude,not in line with the prediction of Bergmann’s rule;male body size increased with increasing latitudes,in line with Bergmann’s rule. Pale background color spot pattern was overall dominant in populations,followed by the dark background pattern,and then by the black margin pattern. The ladybird beetles with the pale background were more at the high latitude than at the low. [Conclusions]Body size and color spot pattern of H. axyridis vary somewhat with the latitude.

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备注/Memo

备注/Memo:
收稿日期:2018-03-19。
基金项目:国家重点研发计划项目(2016YFC1201200);江苏省大学生创新训练计划项目(201710307007X)
作者简介:舒晓晗,硕士研究生。
通信作者:李保平,教授,主要从事昆虫行为生态学与害虫生物防治研究,E-mail:lbp@njau.edu.cn。
更新日期/Last Update: 1900-01-01