Pheromones in relation to aggregation and reproduction in desert locusts
Pheromones in relation to aggregation and reproduction in desert locusts
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DOI：
10.1046/j.1365-3032.2003.00318.x
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发表时间：
2003-03-01
影响因子：
1.5
通讯作者：
Seidelmann, K
中科院分区：
文献类型：
--
作者：
Ferenz, HJ;Seidelmann, K
沙漠蝗Schistocerca gregaria（Forskal）（直翅目：蝗科）具有种群密度依赖的阶段多态性，包括许多形态、生理和行为特征的渐变。近年来发现了许多与沙漠蝗虫有关的挥发性物质，并推测它们参与了蝗虫行为和发育的信息素控制。产卵的女性存款与他们的卵荚几个挥发物，似乎是有吸引力的其他女性的结果-可能与环境因素相结合-在一个聚集产卵。成熟的雄性会释放出几种挥发物，其中包括苯乙腈，据报道，苯乙腈可以加速年轻雄性的性成熟。此外，聚集信息素系统的料斗和成人已被描述。然而，最近的研究和出版物揭示了新的光对这些挥发物的假设影响。社交行为无疑可以由机械刺激引起。此外，发现成虫聚集信息素系统的主要成分苯乙腈是一种明显不参与聚集的驱避剂。广泛的研究表明，苯乙腈被成熟的群居雄性用作求偶抑制信息素，以增强配偶守卫。本文综述了沙漠蝗信息素与繁殖相关的研究进展、矛盾结果和展望。
Desert locusts, Schistocerca gregaria (Forskal) (Orthoptera: Acrididae), exhibit a population density-dependent phase polymorphism which includes the gradual change of many morphological, physiological and behavioural characteristics. Many volatiles associated with desert locusts have been identified recently and it is assumed that they are involved in pheromonal control of behaviour and development of locusts. Ovipositing females deposit with their egg pods several volatiles that appear to be attractive to other females resulting - possibly in combination with environmental factors - in an aggregated oviposition. Mature males release several volatiles, among them phenylacetonitrile, which are reported to accelerate sexual maturation in young males. Also, aggregation pheromone systems for hoppers and adults have been described. However, recent studies and publications shed a new light on the postulated effects of some of these volatiles. Gregarious behaviour can undoubtedly be induced by mechanical stimuli. Furthermore, the main component of the adult aggregation pheromone system, phenylacetonitrile, is found to be a repellent obviously not involved in aggregation. Comprehensive studies have demonstrated that phenylacetonitrile is used by mature gregarious males as a courtship inhibition pheromone to enhance mate guarding. Recent progress, contradictory results and perspectives in desert locust pheromone research related to reproduction are summarized and discussed in this paper.