本文阐述了葛洲坝水利枢纽工程截流后，宜昌江段铜鱼产卵场的分布和规模及其繁殖条件。
This paper elaborates the distribution and scale of spawning grounds and the reproductive conditions of Coreius heterodon in Yichang Section after damming by Gezhouba water conservancy pivot.
通过研究产卵管分泌物对韧皮部卵室的作用机制，确定了产卵管分泌物是决定天牛存活的先决条件。
Through the research, we can confirm, secretion from ovarian is the previous condition to decide the survival of Anoplophora glabripennis.
目的研究昆虫生长调节剂S 31183在实验室条件下对淡色库蚊成虫吸血和产卵及卵的孵化的影响。
Objective To study the action of the insect growth regulator S 31183 on blood biting, oviposit, and eclosion of Culex pipens pallens.
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