幼虫的

Results showed that mortalities of common cutworm fed on leaf, petal, and flower heart among lines were no difference, but compared with correponding treatments, mortality of common cutworm fed square of BG1560 was higher.

大田调查表明，两Bt棉田斜纹夜蛾幼虫的种群动态与非Bt棉田的无显著差异。

The result indicated that the CAT and POD activities of diamondback moth showed correlation to the pesticide tolerance.

小菜蛾2、3和4龄幼虫的CAT和POD活力与耐药性存在着一定的相关性。

Diptera, Hymenoptera and Araneae remained to be the main taxa in mixed stand, dominated by Diptera larvae accounting for more than 82% of the macrofauna collected (52% in Stand C).

在各类群中，主要以双翅目幼虫的多度和相对多度增加幅度较大，这种变化是降低整个群落均匀度的一个主要原因。

One of the best baits for small mouth bass in rivers is the hellgrammite, the larva of the Dobson fly.

一个最好的饵小口鲈河流是hellgrammite，苍蝇幼虫的布森。

Results The killing effects of different extracts of Euphorbia kansui Liou Mass and Dryopteris Crossirhizomz had big differences.

结果 2 %甘遂和贯众草药的乙醚、乙醇提取液对致倦库蚊幼虫的杀伤分别高达 95 0 %± 4 4 %，90 0 %± 3 5 %，83 0 %± 0 6 %与 75 0 %± 2 0 %。

Any of various small livebearers of the genus Gambusia that feed on mosquito larvae and are often used in mosquito control.

食蚊鱼一种食蚊鱼属主食蚊幼虫的卵生鱼，常被用于控制蚊子的生长

Total hemocyte counts and differential hemocyte counts were compared in the larval hemolymph.

调查了幼虫的血细胞总数和各类血细胞数量的变化情况。

Determination on the bioactivity of 3 fractions （nexane, chloroform and water fraction）of the chloroform fractions from stem of Mirabilis jalapa L against 4th instar larvae of Pier/is rapae L.

取食第3天与第5天的拒食率分别为96.80%与99.67%；也测定了紫茉莉茎氯仿提取物各萃取物（正己烷、氟仿和水萃取物）对4龄菜粉蝶幼虫的生物活性。

The poison activity, stomach toxicity action and nonselective food refusal activity of extracts and fractions obtained by extracting the stem of Mirabilis jalapa L against the 4th instar larvae of Pieris rapae L, with 3 polarity solvents（petroleum ether, chloroform and ethanol）were determined by the methods of feeding, leaf-sandwich and leaf dish.

用饲喂法、叶片夹毒法、叶磲法测定了紫茉莉茎的3种极性溶剂提取物及萃取物对菜粉蝶幼虫的毒杀活性、胃毒作用、非选择性拒食活性。

Such strategies can enhance viral activity and increase speed of killing as well as reduce larval feeding activity.

此类策略能提高病毒的活动量和增加其作用速度，并且能够减少幼虫的进食量和进食速度。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。