The peak of oviposition was in 6～9d of the female's emergenc e on broad bean.

在相同 條件下a一级爰做片免费观看，測(cè)得每對(duì)成蟲在蠶豆苗上的最多產(chǎn)卵量及平均產(chǎn)卵量分別是316粒wwwA片网站国产、214.5粒欧美精品一级黄片；產(chǎn)卵的高峰期是羽化的6～9d国产操逼免费看。

Location and structure of sex pheromone-producing gland in female black cutworm moth were observed by means of optical microscope, scanning electron microscope, and transmission electron microscope.

對(duì)羽化不同天數(shù)(1粗暴大黑鳮巴视频欧美中文、3性交欧美三级在线、5、7d)小地老虎Agrotis ypsilon雌蛾性信息素分泌腺體的位置及結(jié)構(gòu)進(jìn)行了光學(xué)顯微鏡色色社区五月、掃描電鏡A级国产精品片在线观看、透射電鏡的觀察。

The body weights of SSB fed on control rice after feeding on KMD1 for 36h were very significantly lower on day 0 and day 3, and significantly lower on day 9, compared with those of the control. Parasitism rates of host larvae fed on KMD1 by Apanteles chilonis were significantly (3th instar) or very significantly (4th and 5th instar) lower than those of the control host.

二化螟絨繭蜂寄生取食過KMD1的二化螟后亚欧大尺度无码视频在线观看，三個(gè)齡期幼蟲的寄生率都顯著下降91手机最新国精品自产拍不卡，其中4齡和5齡達(dá)極顯著水平；3齡和4齡上的結(jié)繭率顯著低于對(duì)照老外美女视频A片；蜂蛹?xì)v期均短于對(duì)照1024手机看电影一区乳，但僅3齡差異顯著；從5齡幼蟲所羽化的雄蜂壽命顯著短于對(duì)照国内自拍区在线下载视频免费观看网址；蜂繭長(zhǎng)顯著短于對(duì)照国产福利AV在线导航；而對(duì)卵+幼蟲期、繭塊大小亚洲综合在线五月婷婷、蜂羽化率及性比均無顯著影響性色生活毛片免费无码观看。

These results suggest that pyriproxyfen obviously influences the larval growth to adult worker bees, especially in the pupal growth. The lower dose of pyriproxyfen results in abnormal eclosion, and more effects respond to the increasing doses, the treated larvae gradually appear the failure to eclosion, melanic death in the pupal stage, and death in the larval stage.

上述結(jié)果顯示，百利普芬對(duì)成蜂的毒性較低国产,日韩,欧美一区在线，卻會(huì)明顯影響蜜蜂幼蟲的生長(zhǎng)發(fā)育国产第一次破苞视频网站观看，低劑量會(huì)造成蜜蜂羽化不完全，隨著劑量的增加在线aA中文字幕，處理幼蟲的發(fā)育有提早的現(xiàn)象国产激情在线123，處理幼蟲會(huì)漸次出現(xiàn)蛹體變黑死亡，羽化失敗死亡午夜久久性爱一区，甚至幼蟲期即死亡的現(xiàn)象在限福利影院。

The mean duration of nymphal development is 60 days in constant long phtopheriod(LD 16:8h) at 30℃.But the mean duration of nymphal development is over 120 days in constant short phtopheriod(LD 12:12h) at 30℃.

在30℃連續(xù)長(zhǎng)日(LD 16：8h)條件下，小悍蟋若蟲60日內(nèi)全部供試個(gè)體完成羽化美女www片免费，而在連續(xù)短日(LD12：12h)條件下亚洲鲁在视频在线观看，小悍蟋若蟲120日內(nèi)仍只有90.7%的個(gè)體完成羽化。

Pupal treatment with dichlorvos and bisultap reduced emergence of adult wasps, while the other insecticides had no effect.

試驗(yàn)表明A片大全啊啊啊www，敵敵畏和殺蟲雙處理蜂繭后降低了成蜂羽化率精品国产国语对白A…V，其他殺蟲劑處理蜂繭后并未影響成蜂的羽化色哟哟在线资源国产精品。

The host body will change to soft, and to be brown, and finally black in color with in 1-2 days tifter death. Little difference of symptom was observed after the host larvae were injected with toxic proteins.

有些試蟲經(jīng)毒蛋白處理后雖然末死亡但不能正常化蛹特黄把女人弄爽又粗又大A片，化蛹為畸形日韩在线精品福利网页视频，不能羽化，羽化出的成蟲不正常国产成熟女人性满足视频。

Using indirect ELISA, the contents of vitellin in the fat body, haemolymph and ovary of P. japonica were detected. The results suggested that the vitellogenin was synthesized in fat body at the 2nd day after eclosion. The contents of vitellogenin in fat body, haemolymph and ovary increased quickly on the 4th day after eclosion and reached the peak stage approximately on the 8th day in adult stage.

采用間接競(jìng)爭(zhēng)ELISA法欧美最强XXXX性受，系統(tǒng)測(cè)定了龜紋瓢蟲成蟲期脂肪體、血淋巴和卵巢中卵黃蛋白的動(dòng)態(tài)變化欧美A∨视频一中文字幕，結(jié)果表明：脂肪體是卵黃原蛋白合成的場(chǎng)所国产经典露出偷窥91图片专区，卵黃原蛋白的合成始于羽化后第2天；脂肪體天天日日日干、血淋巴和卵巢中卵黃原蛋白的滴度在羽化后第4天開始迅速上升爱鲁鲁在线视频免费观看，至成蟲期的第8天左右達(dá)到高峰期。

Female adults oviposited on the day of emergence or on the following day, and laid eggs at the rear one-third of the body of host larvae in the last stage of the 2nd or the early stage of the 3rd in-star.

結(jié)果表明国产精品999视频，該蜂成蟲喜歡群集活動(dòng)欧美精品永久，飛翔能力較弱；具有很強(qiáng)的趨光性和向上行為真实破处；成蟲喜歡清潔身體日韩三级黄色A片；多在上午羽化，羽化當(dāng)天或次日產(chǎn)卵人人操人人鲁操肉肉。

An artificial method was developed for rearing 1-day-old worker honey bee larvae to the adult stage in the laboratory.

實(shí)驗(yàn)室內(nèi)人工飼育西洋蜂 1日齡工蜂幼蟲至羽化成蜂的技術(shù)已經(jīng)建立，羽化率為57.1%WW亚洲天堂。