Abstract:
The first exploratory study was conducted on the compound eye morphology and spectral characteristics of Agasicleshygrophila (Selman & Vogt, 1971) to clarify its eye structure and its spectral sensitivity. Scanning electron microscopy, paraffin sectioning, and transmission electron microscopy revealed that A.hygrophila has apposition compound eyes with both eucones and open rhabdom. The micro-computed tomography (CT) results after 3D reconstruction demonstrated the precise position of the compound eyes in the insect\'s head and suggested that the visual range was mainly concentrated in the front and on both sides of the head. The electroretinogram (ERG) experiment showed that red, yellow, green, blue, and ultraviolet light could stimulate the compound eyes of A.hygrophila to produce electrical signals. The behavioural experiment results showed that both males and females had the strongest phototaxis to yellow light and positive phototaxis to red, green, and blue light but negative phototaxis to UV light. This study of the compound eyes of A.hygrophila will be helpful for decoding its visual mechanism in future studies.
摘要:
首次探索性研究是对Agasiclesphyphila的复眼形态和光谱特征进行的(Selman&Vogt,1971)以阐明其眼睛结构及其光谱敏感性。扫描电子显微镜,石蜡切片,透射电子显微镜显示,A.hygrophila具有双眼和开放横纹肌的复眼。三维重建后的显微计算机断层扫描(CT)结果证明了复眼在昆虫头部的精确位置,并表明视觉范围主要集中在头部的正面和两侧。视网膜电图(ERG)实验显示,黄色,绿色,蓝色,紫外线可以刺激A.hygrophila的复眼产生电信号。行为实验结果表明,雄性和雌性对黄光的趋光性最强,对红色的趋光性最强,绿色,和蓝光,但对紫外光的趋光性为负。本研究对嗜湿乳杆菌复眼的研究将有助于在未来的研究中揭示其视觉机制。