交尾

A gonopodium is a modified, tubular anal fin used to fertilize the females.

孔雀鱼是卵胎生的，不是卵生的，而且母鱼体长大约是公鱼的2倍大，母鱼的体色通常是较淡且带有些灰色色彩或许母鱼尾部也会有一点点的色彩，至於公鱼则是全身都有鲜艳色彩，公鱼的尾巴比母鱼尾巴长，并且除ㄌ一般的尾鳍外，还有一段交尾器，交尾器用来使母鱼受孕的

Their bulls gender without fail; their cows calve and do not miscarry.

他们的公牛交尾，无不成功；母牛产子，决无流产。

To copulate with. Used of a ram .

与交尾，用于公羊

The male bird perform a sort of mating dance before copulate with the female.

这种雄鸟在与雌鸟交尾以前要跳一种交欢舞。

The reproductive system has a complex innervation concerned in copulation and oviposition.

生殖系统有一个同交尾和产卵有关的复杂神经系统。

There was significant difference among monoterpene volatiles released from healthy, weevil damaged trunks of Pissodes punctatus and their branches. Walking P. punctatus in maturation feeding and sexually matured stages displayed different olfactory responses toward monoterpenes in a Y-tube olfactometer.

通过GC-MS分析，发现健康的与遭受华山松木蠹象Pissodes punctatus Langor et Zhang危害的华山松Pinus armandii Franch树干以及华山松枝梢释放的挥发性单萜烯在含量上存在较大差别；利用Y-型双向选择嗅觉仪进行的室内趋向反应实验发现，处于补充营养期和交尾产卵期的华山松木蠹象对单萜烯表现出不同的趋向反应。

The results of The biological characteristics of Semanotus bifasciatus have showed: 1. The hole of Semanotus bifasciatus associated with a certain temperature.2.The main damages of Semanotus bifasciatus located oriental arborvitae tree trunks, while above 3m parts are not damaged. 3.The Mating numbers of Semanotus bifasciatus are not unique ,and the duration varied due to the different individuals, the average duration is 3.2 minutes . 4. when are flying , they are more sensitive to blue and green; while moved, they are more sensitive to black.

对双条杉天牛的生物学特性的研究结果表明：双条杉天牛出孔与温度有一定的相关性，温度过低，双条杉天牛停止出孔；对于树高7m以上的树，主要危害侧柏基部的1-3m的主干部分，3m以上基本不受害；双条杉天牛需要经过一段时间的抱合才能交尾，交配对象不专一，雌雄成虫均可以多次交尾，交尾时间长短不一，平均3.2min/次；飞行时对蓝色和绿色较为敏感，爬行时对黑色较为敏感。

The calling and copulation behaviour of Ancylis sativa Liu had a dielperiodicity.The female moths began to calling at the first day and increasedto 100% at the second day,then the percentage of calling decreasedgradually from the third day to the fifth day,only 16.7% of females showingcalling behaviour at the sixth day.The effect of environmentaltemperature on calling behaviour of Ancylis sativa Liu was studied duringadult life at 16℃,21℃,26℃ and 31℃.The result showed differenttemperature during adult life affected significantly the calling behaviour ofvirgin females.There was considerable variability in the calling patternsamong the different temperature groups,the higher the temperature was,thelater females called,the shorter the calling behaviour lasted.The copulationbehaviour of Ancylis sativa Liu can be divided into following squence:female calling,male responsing,male approaching female,hairpencil displayingand copulating.

枣粘虫求偶和交配行为研究结果表明，在光周期为14L：10D、温度为21℃下，越冬代枣粘虫雌蛾的求偶高峰期为黑暗期6.0-8.0小时，求偶活动以羽化后1-3天表现强烈，第二天求偶百分率高达100％，第4天开始，求偶百分率下降，到第6天仅为16.7％；环境温度对枣粘虫雌蛾的求偶活动有明显的影响，随着温度的下降，求偶高峰期明显提前，求偶高峰期的持续时间变长，在21、26、31℃下，求偶百分率接近或达到100％，在16℃下，仅为43％；枣粘虫的交配行为可分为雌蛾求偶、雄蛾反应、雄蛾接近雌蛾、打开味刷及交配成功等阶段；交配活动也以羽化后前3天表现强烈；第1、2代在黑暗周期中的交配高峰期比越冬代推后1-2.5小时；越冬代枣粘虫的交尾持续时间多为3-4小时，第1、2代比越冬代短；越冬代交尾前期多为2-3天，第1、2代多为1-2天，少数羽化当天便可交尾；雌雄成虫均有多次交尾习性，雄蛾最高交尾6次，平均3.3次，雌蛾最多交尾3次，平均1.5次，在田间自然条件下，大多数越冬代雌雄成虫只交尾1次，第1、2代交尾次数有所增高，第1、2代成虫交配率明显高于越冬代。

Mated females without honey supply had significant lower values in longevity, fecundity and number of feeding stipples than those fed with honey.

在 25°C 下未交尾雌蝇餵食蜂蜜时虽可产 15 粒卵，但均不孵化；而已交尾雌蝇未餵食蜂蜜时，其寿命、有活力卵数及取食刻点数均显著低於餵食蜂蜜者。

And Italian bee drone chase and attempt to mate with Chinese virgin queen , the behavior caused mating interferes to Chinese drone and Chinese virgin queen .

且意蜂雄蜂追逐中蜂处女王并试图与其交尾，这种行为对中蜂雄蜂与中蜂处女王的交尾造成了干扰。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失