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Total RNA was isolated from the forth instar larvae of the armyworm,Mythimna separata Walker.An α and a β tubulin cDNA sequences were cloned by RT-PCR and rapid amplification of cDNA ends.

以黏虫4龄幼虫为材料提取总RNA，利用RT-PCR和cDNA末端快速扩增技术，分别扩增得到该虫的α和β微管蛋白基因的cDNA序列各1条。

Separata was significant under the concentration of over 1.00 mgmL^(-1), and showed dosage-dependant pattern. The highest antifeedant rate was 65.68 %. Which concentration is within 0.25~1.00 mgmL^(-1), the feed intake of the 4th instar larvae of M.

浓度大于1.00mgmL^(-1)的羟基马桑毒素对3龄粘虫幼虫有明显的拒食作用，且随着药剂浓度的增大，拒食作用增强，最大拒食率达65.68环。

The experiment, in which supraoesophageal ganglions of the fifth-instar larvae were removed, proved that SG plays an important role in the formation of diapause eggs.

通过对家蚕末龄幼虫咽下神经节的摘除试验证实，咽下神经节对滞育卵形成起着重要作用。

Toxic symptom and antifeedant activity of tutin were observed on the larvae of Mythimna separate with 3, 4 and 5 instar by leaf disk method.

采用小叶碟添加法观察经羟基马桑毒素处理后的粘虫中毒症状，并测定3龄、4龄和5龄粘虫的拒食活性。

The results showed that the poisoning symptoms were slow in action, coma, recovery, paralysis, and dehydration on body surface. Antifeedant activity of tutin on the 3rd-instar larvae of M.

结果表明：①羟基马桑毒素作用后，粘虫表现为行动缓慢－昏迷－复苏－麻痹－失水中毒症状。

MeJA treatment induced vanillic acid and caffeic acid productions; whereas treatment of MeSA and the damage caused by third instar larvae of the maize stalk borer induced the production of only caffeic acid and p－Hydroxybenzoic acid respectively.

三种浓度的MeJA处理均使根际土壤细菌群落相似性指数显著降低，6μL/L的MeJA处理使细菌群落的多样性指数显著降低。

The highest mortality occurred at the boring stage of young instars larvae, especially in early stage of 1st and 2nd instar larva.

经存活曲线分析得知舞毒蛾种群的个体死亡主要发生在幼龄幼虫期，特别是对1，2龄幼虫的致死能力更为明显。

After treatment with chlorfluazuron to the larvae, the activities of POD in the larvae of three instars were all higher than the control, while the activities of POD in the second and third instar were only 65.0% and 99.2% of those in the control.

抑太保处理后，过氧化物酶活力除2龄幼虫在处理后5 h下降，仅为对照的65.0%，3龄幼虫在处理后1 h为对照的99.2%外，3个虫龄幼虫的POD活力均高于对照。H2O2由0增加至0.1 mL，POD活力呈线性关系上升。

Young Babycurus jacksoni can cohabit without problem if they have enough hiding places at their disposal and if they are sufficiently fed, this until quite advanced instars (4-5th instar).

在有足够的藏匿地点和食物充足的情况下，幼体的红木蝎可以共同饲养在一起，直至4-5龄蝎。

It is thus thought that the distribution, movement and metabolism of VB 6 compounds are different from those of mammals, and these are the reasons why almost no larvae could reach the next instar when newly molted larvae were reared on a VB 6-deficient diet.

同时家蚕体内缺乏具储存VB6功能的辅酶型磷酸吡哆醛结合蛋白，推测这是用缺乏VB6的饲料饲育各龄起蚕，幼虫当龄死亡的主要原因。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。