幼虫期采取两种生物制剂来进行防治。
Two biological agents are used to control Apocheima cinerarius Erschoff larvae.
幼虫期灯蛾毛虫在冬天会裹在厚厚几层的落叶中。
Larvae - Woolly bear caterpillars curl up in thick layers of leaf litter for winter.
一旦它的一个碱基发生突变，就可使线虫永远停留在幼虫期，而无法成熟。
Once one of its base mutation, would enable the nematodes remaining in the larval stage, and can not mature.
集体饲育以幼虫期之死亡率最高，为主要死亡时段，前蛹期次之，蛹期最低。
In general, larva having the lowest survival rate was the main fatal stage during group rearing following by prepupa and pupa.
结果表明：这一地区影响二代玉米螟分化的主要因子是幼虫期的光照周期和温度。
It was found that the major factors determining the differentiation of the Asian corn borer in the second generation were photoperiod and temperature in the larval period in that area.
包虫病是一种流行于全世界范围的动物源性寄生虫病，主要是由棘虫绦虫幼虫期所引发。
Hydatid disease is a worldwide zoonosis produced by the larval stage of the Echinococcus tapeworm.
广赤眼蜂、涓夜蛾绒茧蜂、广大腿小蜂分别为卵期、幼虫期和蛹期的天敌优势种，其最高寄生率分别为30 %、80 %和65 %。
Among them, Trichogramma evanescens, Apanteles sp. and Brachymeria obscurata were dominant species with the highest parasitizations of 30%, 80% and 65% respectively.
多房棘球绦虫(echinococcus multilocularis)的幼虫期导致罕见而致命的肝病即人类的泡型包虫病(HAE)。
The laval stage of the fox tapeworm Echinococcus multilocularis causes the rare but fatal liver disease Human Aleveolar Echinococcosis (AE).
结果表明，卵期、1龄幼虫期、蛹期的死亡率较大，分别为13 5 %、18 2 %和19 0 % ，是影响种群数量增长的主要因子。
It was showed that high mortalities in the stages of egg(13 5%), 1st instar larvae(18 2%)and pupae(19 0%) were the main factors influencing the growth of the experimental population.
两种钩虫在皮肤和肌肉内的形态与侵入宿主前的第3期幼虫相似。
Both species during their skin and muscle stages are similar to the 3rd stage larvae before entering hosts.
卵、幼虫利蛹的历期有待进一步研究。
研究结果表明，疑山郭公虫对树干内纵坑切梢小蠹幼期（幼虫和蛹）的捕食率大体为10.6%。
This study demonstrated that the clerid preyed 10.6% of larvae and pupae of Tomicus piniperda living beneath the bark.
疑山郭公虫幼虫可以捕食木段内纵坑切梢小蠹幼期各虫态，捕食率为8.3%。
Thanasimus dubius larvae preyed all young stages of the beetle inside logs, recorded predation rate of 8.3%.
小型肺线虫1期幼虫对外界抵抗力很强，发现4种软体动物可作为中间宿主。
The 1st-stage larvae of small lungworms have good resistance to environment, 4 terrestrial mollusca are confirmed as intermediate hosts of them.
世代分化现象，测定了卵期、幼虫和蛹期及全世代的发育起点温度和有效积温。
The generation differentiation and the development initial temperatures and effective accumulated temperatures for egg, larva and pupa and whole generation of A.
十二指肠钩虫第4期幼虫口腔的长宽几乎相等，但美洲钩虫宽大于长。
In the 4th stage larvae, the length of mouth cavity of A. duodenale is almost equivalent to its width, but that of N. americanus is shorter.
滞育与幼虫孵化期、气候、生态条件和食料有关。
The diapause of pine caterpillar is relevant to the larval hatching period, food, climate and other ecological conditions.
丙酮和石油醚提取物对小菜蛾卵的孵化及卵的发育历期没有影响，但有增加初孵幼虫死亡率的作用。
The extracts of acetone and petroleum ether had no effect to the hatching rate and egg development duration, but they were toxic to the newly hatched larvae of Plutella xylostella.
在胶样囊期，死亡的幼虫导致了强烈的炎症反应，从而引起明显的临床症状。
The strong inflammatory reaction provoked by the death of the larvae during the colloidal vesicular stage will lead to significant patient symptomatology.
第二期幼虫及第三期幼虫的身体两侧具有纵侧膜的构造，是前人没有描述过的。
In the second and third stage larvae two longitudinal alae on the lateral side are present, which have never been described by previous authors.
结果表明，少孢节丛孢菌捕食器的粗蛋白高于普通营养菌丝或分生孢子的粗蛋白含量，而线虫三期幼虫的粗蛋白含量最高。
The crude protein content in the mycelia with traps was higher than that in the common mycelia and in the conidia, but it was lower than that in the third stage larvae.
小菜蛾幼虫被寄生后，其4龄发育历期较未被寄生的显著长，且寄生时龄期越大4龄历期延长越多。
The parasitized DBM larvae had prolonged their 4th instar duration obviously, and the later the larva had been parasitized, the longer this extended duration became.
人蛔虫感染期幼虫提取物能够诱导人肺上皮细胞的凋亡。
The extraction of infective larvae of Ascaris lumbricoides can induce apoptosis of human alveolar epithelia in vitro.
卵、幼虫和蛹的发育历期均长于敏感品系且差异显著；
The developmental duration of eggs, larvae and pupae were longer than that of susceptible strain and the difference was significant.
卵放在木段外，卵期缩短为13 ~15天，平均孵化率及初孵幼虫对光肩星天牛幼虫的平均寄生率均有所提高，分别为83.3%和87.5%。
When eggs placed out of the wood block, egg stage is 13 ~ 15days, average hatching rate and average parasite rate are increased, they are 83.3% and 87.5% respectively.
在糠虾幼虫第一期，胃分为贲门胃和幽门胃两部分。
Stomach is composed of two parts, the cardiac and pyloric region, at the first stage of mysis.
记述了美凤蝶和玉斑凤蝶的幼期形态特征、成虫和幼虫的主要习性。
Morphology of immature stages and biological characteristics of two papilionid butterflies, Papilio memnon L.
在发育过程中，口凹是在第三期无节幼虫时内陷形成，而原肛是在第六期无节幼虫时内陷形成的，所以口凹的发生早于原肛的发生。
In the course of development, the invagination of stomodeum occurs earlier than that of proctodeum at the third and the sixth nauplius stages respectively.
第一、二期幼虫的特征为尾尖骤然尖细，第三期幼虫的特征为头部具一对倒“U”形棕色结构。
The first and second-stage larvae were characterized by their abruptly thinned tail ends and the third-stage larvae were characterized by a pair of inverted U-like structures of the head.
第一、二期幼虫的特征为尾尖骤然尖细，第三期幼虫的特征为头部具一对倒“U”形棕色结构。
The first and second-stage larvae were characterized by their abruptly thinned tail ends and the third-stage larvae were characterized by a pair of inverted U-like structures of the head.
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