Rice water weevils ; Wind ; Takeoff behaviour

稻水象甲；風(fēng)国产av网站飞；起飛行為

Letters from men at the front complained constantly of shoes that wore out in a week, gunpowder that would not ignite, harness that snapped at any strain, meat that was rotten and flour that was full of weevils.

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The subterranean system of telephone cables,power lines,steam pipes, gas mains,and sewer pipes is reason enough to abandon the island to the gods and the weevils.

地下的電話線，輸電線国产精品精品三级，蒸汽管道欧美黄色网站免费在线观看，煤氣管道和下水道系統(tǒng)是把這塊地方交給神和象鼻蟲來支配的充足理由。

This fact, associated with the scarce systematic knowledge of weevils of Taiwan, as well as a lack of ecological information, make control management difficult, as current chemical controls are expensive and not very effective.

臺灣因缺乏象甲之系統(tǒng)分類學(xué)及生態(tài)學(xué)資料中文国产一区在线，化學(xué)防治花費(fèi)高但不具成效国产粗大猛烈进出高潮视频大全，致使防治管理不容易。

Under the conditions of 24 h fumigation with 30 μL/L dosage at 19 °C, 25 °C and 31 °C, the adult corrected mortalities were 83.108%, 62% and 42%, respectively. These results indicated that the EtF killed the adult weevils in a very short time period, and the fumigation efficacy at relatively lower temperature was better than that at relatively higher temperature. Under the conditions of 20, 25 and 30 °C and 24 h fumigation

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The subterranean system of telephone cables,power lines,steam pipes,gas mains,and sewer pipes is reason enough to abandon the island to the gods and the weevils.

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Agricultural Research Service entomologist Tom Sappington works in the ARS Corn Insects and Crop Genetics Research Unit at Ames, Iowa. He has tracked local weevil movements by marking the insects with enamel paint or fluorescent powders and recapturing them later. Now he uses "microsatellites"-short, repetitive DNA sequences-and population assignment tests to find out where weevils in different populations have come from.

美國農(nóng)業(yè)部網(wǎng)8月23日消息十八禁欧美日韩，美國農(nóng)業(yè)研究局的昆蟲學(xué)家湯姆在艾奧瓦州的埃姆斯玉米蟲害作物和遺傳學(xué)研究組，一直以來用瓷漆或螢光粉來跟蹤當(dāng)?shù)孛掴徬x的蹤跡最新福利网址在线，現(xiàn)在他們通過&微型衛(wèi)星&-短的重復(fù)序列DNA和繁殖分配試驗人人操,人人摸97，來定位尋找棉鈴蟲的行蹤，這些測試有助于確定那些遷徙來的不同種類的棉鈴蟲到底從何而來殴美性爱网。