Morphological and physiological differences of the auditory system in three related bushcrickets (Orthoptera: Phaneropteridae, Poecilimon)
Morphological and physiological differences of the auditory system in three related bushcrickets (Orthoptera: Phaneropteridae, Poecilimon)
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三种相关蟋蟀听觉系统的形态和生理差异（直翅目：Phaneropteridae，Poecilimon）
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发表时间：
1992
期刊：
影响因子：
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通讯作者：
K. Heller
中科院分区：
文献类型：
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作者：
A. Stumpner;K. Heller
抽象。对三种近缘蟋蟀的听觉系统进行了形态学和生理学研究。在前胸腔的听泡的大小和声气门的大小进行了比较，在鼓室神经的听觉调谐的差异和方向性的差异。结果表明，小的听泡和听气门在高频范围（10-15 kHz以上）提供降低的灵敏度，但在低频范围（10 kHz以下）增加灵敏度。在具有小气孔和气管的物种中，听力系统的方向性在10和25 kHz之间的频率处恶化。这些差异的听觉系统的进化意义进行了讨论。它们被认为更多地受到生态因素的影响，而不是生物声学的。
Abstract. The auditory system of three closely related bushcrickets was investigated with respect to morphological and physiological differences. The size of the acoustic vesicle in the prothorax cavity and the size of the acoustic spiracle were compared to differences in auditory tuning of the tympanic nerve and differences in the directionality. The results indicate that a small auditory vesicle and auditory spiracle provide reduced sensitivity in the high frequency range (above 10—15 kHz), but increase sensitivity at low frequencies (below 10 kHz). The directionality of the hearing system deteriorates at frequencies between 10 and 25 kHz in species with a small spiracle and trachea. The evolutionary implications of these differences of the auditory systems are discussed. They are considered to be influenced more by ecological factors than bioacoustical ones.