草地贪夜蛾成虫复眼明暗适应及黄光照射下明适应状态转化率

doi:10.16380/j.kcxb.2021.09.012

昆虫学报 ›› 2021, Vol. 64 ›› Issue (9): 1120-1126.doi: 10.16380/j.kcxb.2021.09.012

草地贪夜蛾成虫复眼明暗适应及黄光照射下明适应状态转化率

蒋月丽, 武予清^*, 李彤, 苗进, 巩中军, 段云, 梅诗琼, 王雪芹, 刘启航

(河南省农业科学院植物保护研究所, 河南省农作物病虫害防治重点实验室, 农业部华北南部有害生物治理重点实验室, 郑州 450002)

出版日期:2021-09-20 发布日期:2021-09-03

Light and dark adaptation of adult compound eyes of Spodoptera frugiperda (Lepidoptera: Noctuidae) and their transformation rate to light-adapted state under yellow light

JIANG Yue-Li, WU Yu-Qing^*, LI Tong, MIAO Jin, GONG Zhong-Jun, DUAN Yun, MEI Shi-Qiong, WANG Xue-Qin, LIU Qi-Hang

(Henan Key Laboratory of Crop Pests Control, Key Laboratory of Integrated Pest Management on Crops in Southern Region of North China, Ministry of Agriculture, Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China)

Online:2021-09-20 Published:2021-09-03

摘要/Abstract

摘要：

【目的】蛾类昆虫的趋光性与复眼明暗适应状态的转化有着直接的关系，本研究旨在阐明光照与草地贪夜蛾Spodotera frugiperda复眼明暗适应状态转化的关系。【方法】在光、暗适应条件和不同光照强度黄光照射下，在不同时间段，用相机迅速拍照，观察统计草地贪夜蛾成虫复眼的明暗适应状态及明、暗适应状态转化率。【结果】在明适应状态下，草地贪夜蛾成虫经黄光照射1 h后，随光照强度的增加，复眼明适应状态保持率逐步升高：雄成虫复眼在0.1~0.5 lx时明适应状态保持率为67.77%(有32.23%的转化为暗适应状态与中间状态)，4~6 lx时明适应状态保持率达到100%；雌成虫复眼在7~10 lx时，明适应状态保持率达98.90%。在明适应状态下，经黄光照射3 h后，草地贪夜蛾成虫复眼明适应状态保持率亦随着光照强度的增加逐步升高，在0.1~0.5 lx时雄成虫复眼明适应状态保持率为50.00%,雌成虫为32.23%；在光照强度7~10 lx时，雌雄成虫复眼明适应状态保持率分别为90.00%和100%。在暗适应状态下，草地贪夜蛾成虫经不同光照强度的黄光照射30 min后，成虫复眼向明适应状态逐渐转化：在0.1~0.5 lx光照强度时雌、雄成虫复眼明适应状态转化率均为93.33%；当光照强度达到0.6~0.9 lx时雌成虫复眼的明适应状态转化率达到100%，雄成虫复眼则在1~2 lx时达到100%。【结论】结果说明，草地贪夜蛾成虫有较强的光敏感性，且雌虫对黄光的光敏感性略强于雄虫。

关键词: 草地贪夜蛾, 复眼, 明适应, 暗适应, 黄光, 光敏感性

Abstract: 【Aim】 The phototaxis of moths is directly related to the transformation of light and dark-adapted states of compound eyes. This study aims to clarify the relationship between light and transformation of light- and dark-adapted states of compound eyes of Spodoptera frugiperda. 【Methods】 Quickly taking photos at different time, the light- or dark-adapted state of compound eyes, light and dark-adapted transformation rate of S. frugiperda under light- or dark-adapted state and exposed to yellow light of different light intensities were statistically investigated. 【Results】 The maintenance rate of light-adapted state of compound eyes of S. frugiperda adults gradually increased as the light intensity increased after exposure to yellow light for 1 h under light-adapted state, those of males under yellow light at 0.1-0.5 and 4-6 lx were 67.77% (32.23% into dark-adapted and middle states) and 100%, respectively, while those of females under yellow light at 7-10 lx reached 98.90%. When S. frugiperda adults were exposed to yellow light for 3 h under light-adapted state, the maintenance rate of light-adapted state of compound eyes also gradually increased as the light intensity increased, those of males and females under yellow light at 0.1-0.5 lx were 50.00% and 32.23%, and those of females and males under yellow light at 7-10 lx were 90.00% and 100%, respectively. When S. frugiperda adults were exposed to yellow light at different intensities for 30 min under dark-adapted state, the compound eyes gradually transformed into light-adapted state, the light-adapted transformation rates of compound eyes of both females and males under yellow light at 0.1-0.5 lx were 93.33%, and those of females under yellow light at 0.6-0.9 lx and males under yellow light at 1-2 lx were 100%. 【Conclusion】 These results suggest that S. frugiperda adults have strong photosensitivity, and females are slightly more photosensitive than males.

Key words: Spodoptera frugiperda, compound eye, light adaptation, dark adaptation, yellow light, photosensitivity

蒋月丽, 武予清, 李彤, 苗进, 巩中军, 段云, 梅诗琼, 王雪芹, 刘启航. 草地贪夜蛾成虫复眼明暗适应及黄光照射下明适应状态转化率[J]. 昆虫学报, 2021, 64(9): 1120-1126.

JIANG Yue-Li, WU Yu-Qing, LI Tong, MIAO Jin, GONG Zhong-Jun, DUAN Yun, MEI Shi-Qiong, WANG Xue-Qin, LIU Qi-Hang. Light and dark adaptation of adult compound eyes of Spodoptera frugiperda (Lepidoptera: Noctuidae) and their transformation rate to light-adapted state under yellow light[J]. Acta Entomologica Sinica, 2021, 64(9): 1120-1126.

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草地贪夜蛾成虫复眼明暗适应及黄光照射下明适应状态转化率

Light and dark adaptation of adult compound eyes of Spodoptera frugiperda (Lepidoptera: Noctuidae) and their transformation rate to light-adapted state under yellow light

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