一只摇蚊把它的头伸进一个“花瓣囊”里,收集可可花的花粉,“花瓣囊”里既有花粉,也有粘稠的花蜜。
A midge gathers pollen from a cacao flower by sticking its head inside a "petal pouch" that contains both pollen and a sticky nectar reward.
生物量优势种为刻纹蚬、萝卜螺和摇蚊。
The biomass was mainly contributed by Corbicula largillierti, Radix sp. , and Chironomus sp.
用于摇蚊幼虫(即红虫)防治的菌种发酵条件。
Study was conducted to investigate into fermentative condition of the control of chironomidae larvae(red worm) with Bacillus thuringiensis var.
本文研究了镍、汞和五氯酚对摇蚊幼虫的毒性作用。
This paper studied the toxicity effect of Ni, Hg and PCP on Chironomus Larva.
摇蚊在各类水体中广泛分布且大量发生,在稻田生态系统中也有大量发生。
The chironomid midge is one of world wide distribution insects and normally occurs in a great abundance among many kinds of water bodies.
目前我国关于稻田摇蚊的研究局限于种类描述和将摇蚊作为一类中性昆虫的调查。
In rice field, chironomid midges are very abundant. Currently, our knowledge about chironomid midges in rice field is limited to the species survey as a neutral group.
对比历史数据可知,洱海寡毛类和摇蚊科比例继续增加,表明湖泊有机污染进一步加重。
Compared with historical data, the proportions of Oligochaete and Chironomid in Erhai Lake continued to increase, which implied that the organic pollution in the Lake was further intensified.
摇蚊幼虫(红虫)难以被常规的水处理工艺有效地去除,成为困扰水厂正常生产运行的问题。
The effective removal of Chironomus larva (red worm) from drinking water in conventional water treatment process has become one of the problems that puzzle the normal operation in water works.
重点介绍了目前国内供水行业所采用物理、化学以及生物的方法在水厂净水处理及二次供水过程防除摇蚊污染的研究;
Physical, chemical and biological control methods in the purifying water process and the secondary water supply system in Chinese water supply industry are discussed.
结果表明,摇蚊幼虫能明显促进底泥中氮、磷的释放,而释放到水层中的氮、磷又容易被藻类吸收利用,从而促进藻类生长。
The results showed that chironomid larvae stimulated visible algal growth by increasing nitrogen and phosphorous release from sediment to overlying water.
结果表明,摇蚊幼虫能明显促进底泥中氮、磷的释放,而释放到水层中的氮、磷又容易被藻类吸收利用,从而促进藻类生长。
The results showed that chironomid larvae stimulated visible algal growth by increasing nitrogen and phosphorous release from sediment to overlying water.
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