Trade-off between flight capability and reproduction in male Velarifictorus asperses crickets
Trade-off between flight capability and reproduction in male Velarifictorus asperses crickets
复制标题
雄性 Velarifictorus 蟋蟀飞行能力和繁殖之间的权衡
DOI：
10.1111/j.1365-2311.2012.01361.x
复制
发表时间：
2012-06-01
影响因子：
2.2
通讯作者：
Zhu, Dao-Hong
中科院分区：
文献类型：
--
作者：
Zeng, Yang;Zhu, Dao-Hong
1.有大量的数据支持女性翅多态昆虫的飞行能力和繁殖之间的权衡，但翅膀形状和健身之间的关系仍然很少在男性研究。2.在本研究中，飞行肌肉和性腺，精荚的大小，多次交配能力的发展进行了调查，在长翅（LW）和短翅（SW）男性，以验证这种权衡，使用翅膀二型蟋蟀物种Velarifictorus aspersus（步行者）。3.羽化当天，LW雄虫的翅肌比SW雄虫的翅肌发达，二者羽化后均开始发育，但SW雄虫的体重高峰比LW雄虫晚4 d。附腺（AG）的LW男性的发展明显慢于SW男性。这些结果表明，飞行肌的发育和维持对雄性草螟生殖器官的发育有一定的代价。4. SW男性产生了显着较重的精囊在一个单一的交配和交配比LW男性更频繁。这表明SW雄性比LW雄性有更高的交配成功率，从而增加了他们生下后代的机会。
1. There are numerous data that support the trade-off between flight capability and reproduction in female wing polymorphic insects, but the relationship between wing form and fitness remains poorly investigated in males. 2. In the present study, the development of flight muscle and gonads, spermatophore size, and multiple copulation ability were investigated in both long-winged (LW) and short-winged (SW) males to verify this trade-off, using a wing dimorphic cricket species Velarifictorus aspersus (Walker). 3. The LW males had better-developed wing muscles than the SW males on the day of emergence, and both of them developed wing muscles after emergence, but the peak of weight in SW males was achieved 4 days later than that of the LW males. The accessory glands (AG) of the LW males developed significantly slower than that of the SW males. These results suggest that development and maintenance of flight muscles have a cost on the development of reproductive organs in male V. asperses. 4. The SW males produced significantly heavier spermatophores in a single copulation and mated more often than LW males. This indicates the SW males have a higher mating success than the LW males, thereby increasing their chance of siring offspring.