查询词典 larva

The spatial distribution patterns of the larva of Spodoptera litura on the different crops were studied. The results showed that the larvae in early instars were highly aggregate.

种群的空间图式是指某一种群的个体在其生存空间的分布形式，是种群的重要属性之一，由物种的生物学特性和环境条件所决定。

The spatial distribution patterns of the larva of Spodoptera litura on the different crops were studied. The results showed that the larvae in early instars were highly aggregate.

斜纹夜蛾幼虫在不同作物上的空间分布特征研究表明：幼虫在低龄阶段高度聚集，聚集的原因是成虫产卵的行为造成。

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。

In the model of two dimensions, an equation of dosage-mortality linear regression ofBxs or Mf2 for the 3 instars larva has been established and LC50 has been estimated.

二维模型：建立了Bxs、Mf2菌株对3龄幼虫的剂量-死亡率直线回归方程并估算出LC50，以及Bxs、Mf2菌株分别在1×108、1×107、0.5×107、1×106、0.5×106、1×105和1×104孢子/ml浓度下对3龄幼虫的时间-死亡率直线回归方程和LT50。

A puss moth larva disposes of its old skin and head capsule after molting on a leaf in England.

意义：一只 puss蛾幼虫，处置旧的皮肤和头胶囊后，蜕皮对叶在英格兰。

A puss moth larva disposes of its old skin and head capsule after molting on a leaf in England.

在英格兰，一只蛾毛幼虫正在一片树叶上处理蜕皮后的死皮和头壳。

This pest has one generation per year. The larva overwintered in the soil, and pupated at the last ten days of March to the first ten days of April in the soil layer of 3-10cm under the ground. The pupal period ranged from 12 to 17 days.

此虫一年一代，以幼虫在土中越冬；翌年3月下旬至4月上旬在3—10厘米土层内化蛹，蛹期12—17天；4月中、下旬成虫出土上树取食桑芽和叶片，交尾后2—7天产卵在枝顶及春季剪梢口下段等处，每头雌成虫产卵44—205粒，卵期15—19天；初孵幼虫入土取食植物。

The result showed that the pest developed 7-8 generations per year and overwintered in leaf roll with larvae form in Fuzhou;the egg dura tion last 7.5 days,larva 15.4 days,pupa 7.5 days,preoviposition 1.7 days, the whole generation lasted 31.9 days when raised under 24.2 ℃ of indoor temerature during spring;and the whole generation was 24.8 days when raised under 28 .6℃ of indoor temperature during autumn.

室内自然变温下饲养：春季日均温在24.2℃时，卵期7.5 d、幼虫期15.4 d、蛹期7.3 d、产卵前期1.7 d，全世代历期共31.9 d；秋季日均温在28.6℃时，全世代历期为24.8 d。在福州地区龙眼园年发生7-8代，以幼虫在叶包中越冬。

Macalla sp. has four generations a year in Shantou of Guangdong Province and the generations overlap. It overwinters as mature larva in the soil at a depth of 1-3 cm under tree crown or in fallen leaves from October to December.

橄榄锄须丛螟在广东汕头1a4代，林间世代重叠现象严重。10月中旬至12月中旬，老熟幼虫陆续下树入土在表土层1~3cm处或枯枝落叶层结茧越冬。

The results show that Abstract Ericerus pelahas has one generation a year, overwinters by the fertilized femaleadults. It stars to feed and grow in forest march,spawning peak in second or late April.The larva are hatched in second or late May. It goes toleaves and then goes to stem in forest or second June. The male emerged in the second or late October dies after it male with it overwinters in November.

结果表明该虫1年发生1代，以受精雌成虫越冬，翌年3月上旬开始继续取食、生长， 4月中、下旬为产卵盛期，产卵期10~13 天，5月中、下旬为若虫孵化期， 6月上、中旬为若虫定叶、定杆期， 10月上、中旬雄虫羽化与雌成虫交尾后死亡，受精雌成虫11月中旬停止取食开始越冬。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。