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- pharate instar 预龄
- Phy the third instar larvae. llocolpa sp. 柳蜷叶丝角叶蜂
- This thing's already metamorphed into a new instar. |这东西已经转化蜕变到一个新的品种.
- The predacious ability of fifth instar nymph and adult is larger. 随着日本高姬蝽虫龄的增长;取食量增大;其中5龄若虫和成虫的捕食作用较大.
- The maximum re-production period occurred during the 6th adult instar. 生殖量最大出现在第6成龄。
- Bioassay of JDS-CPV was conducted on the 3rd instar and 5th instar larvae of pine caterpillar D. punctatus. 应用日本赤松毛虫质型多角体病毒(以下简称JDS-CPV)对马尾松毛虫第一代3龄和5龄幼虫进行了生物测定。
- The base-line forBPHthird instar to buprofezin is Y=6.6499+2.8865x, LC50.268 mg a. 褐飞虱对噻嗪酮的敏感毒力基线为Y=6.;6499+2
- The relationship between instar (x) and age (t) is givenapprokimately as t=0.07l 69x2+ l. 3808x- l. 龄期（X）与年龄（t，d）的关系为：雌体：t=0·07l69X2＋1.;3808X－l·7361；
- The groth models of the 5th instar larvae of Bombyx mori were established by using Richards equation in the paper . 作者采用目前可塑性较强、准确性较高的Richards方程来描述家蚕5龄幼虫的体重增长情况，并建立了家蚕5龄幼虫及5龄不同性别幼虫的Richards生长模型。
- Objective To observe the hemocytes of musca domestica larva of the 3th instar by Giemsa's staining. 摘要目的通过姬氏染色法以便观察家蝇三龄幼虫的各种血细胞形态。
- The crucial period of differentiation of queen and worker is between the end of 4 th instar and 5 th instar. 蜂王和工蜂的级型分化的关键时期发生在幼虫的4龄末至5龄止。
- The isolate V20 was more virulent on third instar of Bemisia tabaci when compared to other isolates. V20菌株比其他菌株对三龄若虫的致病力高。
- The AS-activity material which can inhibit JH synthesis by CA occurs in the brains of last instar. 发现粘虫幼虫脑中含有AS样的活性物质，可抑制离体咽侧体(Corpora allata，CA)的保幼激素(Juvenile hormone，JH)的生物合成。
- The morphology such as the antennae segments, wing (bud), pronotum had significant differernce among each instar nymph. 蝗蝻的触角、翅芽和前胸背板的形态在各龄蝗蝻之间存在显著的差异，因此，以蝗蝻的体长、触角长度与节数、翅芽和前胸背板形态可作为判断越北腹露蝗龄期的重要标准。
- Pathogenicity test at saturated humidity showed that the third instar was very susceptible to fungal infection. 在饱和湿度下三龄烟粉虱若虫对真菌侵染非常敏感。
- N. formosa could attack all instar larvae and oviposited on the second and third instar larvae of vegetable leafminer . 在三个龄期寄主共存时，攻击和寄生选择系数始终是三龄大于二龄，二龄大于一龄。
- During each successive growing stage (instar), the nymph begins to resemble the adult more closely. 随著每一个相连的成长阶段（虫龄），若虫的外形与成虫越来越相似。
- 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. 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 final instar larvae of trimolters and tetramolters of silkworm appeared similar in their growth and body weight and showed similar feed efficiency. 三眠蚕末龄与四眠蚕末龄的生长规律比较相似,三眠蚕末龄与四眠蚕末龄体重饲料效率变化有相似倾向;
- The reults suggest that the antigen changes with different stages and the protein of 30 kD appeared newly at the 5th instar larva is stage-specific. 提示家蚕不同时期抗原成分有所变化,5龄家蚕新出现的30kD蛋白为特异性变应原。
