Antennal resolution of pulsed pheromone plumes in three moth species

被引：43

作者：

Bau, J ^{[1
]}

Justus, KA ^{[1
]}

Cardé, RT ^{[1
]}

机构：

[1] Univ Calif Riverside, Dept Entomol, Riverside, CA 92521 USA

来源：

JOURNAL OF INSECT PHYSIOLOGY | 2002年 / 48卷 / 04期

关键词：

Spodoptera exigua; Cadra cautella; Pectinophora gossypiella; pheromone plume; electroantennogram; temporal resolution;

D O I：

10.1016/S0022-1910(02)00062-8

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

Male antennae of Cadra cautella, Pectinophora gossypiella, and Spodoptera exigua were presented with 20-ms-duration pulses of their two-component pheromone at rates of 1 to 33 Hz. Fourier analyses of electroantennograms resolved the temporal structure of trains of pheromone filaments delivered at up to 33 Hz for C. cautella and S. exigua and 25 Hz for P. gossypiella. Pheromone components tested separately for each species were generally equivalent in filament resolution to complete blends. Ambient temperatures of 18, 23 and 28 degreesC affected filament resolution only slightly, with poorer ability to discriminate rapidly pulsed signals at 18 degreesC. The question of how, or indeed if, such frequencies are conserved beyond the peripheral nervous system, remains. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：433 / 442

页数：10

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