1.According to inoculation number of wasps and the control effectiveness, and index protecting and utilizing the wasp is put forword, i.e, the ratio of wasps to larvae of the weevil is 1∶30. When a ratio is over 1∶30, the larvae of maize weevil can be control led by the wasp, not needing insecticides to cnotrol the weevil.
由此，提出了益害比为1∶30的该峰保护利用指标。 根据连续两代蜂不同密度（x1与x2）分别对玉米象控制后的残虫数量（y1与y2），组建了相关回归式：Y1＝98．4829－2．9177x1；
2.This paper deals with the threshold concentrations of phosphine for the adults of lesser grain borer ( Rhyzopertha dominica Fabricius), maize weevil ( Sitophilus zeamais Motschulsky) and adzuki-bean weevil ( Callosobruchus chinensis Linnaeus) and the relationship between phosphine concentration and treatment duration.
研究了谷蠹RhyzoperthadominicaFabricius、玉米象SitophiluszeamaisMotschulsky、绿豆象CallosobruchuschinensisLinensis成虫的磷化氢阈限浓度及浓度与时间的关系。
3.At the rate of 1500～2000g/667m 2,the control effect of rice water weevil adults was 81.7%～100%. At the rate of 1000～2000g/667m 2,the control effect of rice water weevil larvae was 77.3%～100%; and was 60%～80% on asiatic rice borer( Chilosupressalis Walker).
田间药量1500～2000g／667m2，防治稻水象甲成虫效果达81．7％～100％，同对照药剂20％三唑磷100ml／667m2和3％呋喃丹颗粒剂1500g／667m2药效相当，防治幼虫效果达77?3％～100％，对螟虫兼治效果均在60％～80％之间，好于上述两种对照药
4.Pest infestation also easily occurs, mainly rice weevil and corn weevil, etc.
害虫感染也易发生，主要感染的害虫有米象和玉米象等。
5.The development of Brazilian bean weevil Zabrotes subfasciatus Bohe-man feeding on vigna seed was studied under 20,24,28,32 and 36℃and 90% of relative humidity. The results showed that the developmentzero of its immature stage was 15℃,and the optimum temperature wasranged from 28-32℃.
作者利用豇豆(Vigna unguiculata L.) 种子作饲料,在20、24、28、32、36℃五种温度和相对湿度90%条件下对巴西豆象(Zabrotes subfasciatus Bohema)进行研究,结果表明巴西豆象未成熟期发育起点为15℃,生长发育繁殖最适温区为28—32℃。
6.RELATIVE RESISTANCE OF ROUGH RICE, MILLED RICE, BROWN RICE TO THE MAIZE WEEVIL (SITOPHILUS ZEAMAIS MOTSCHULASKY) DURING STORAGE
稻谷、糙米、精米在储藏期对玉米象(Sitophilus zeamais)的抗性差异研究
7.The fumigation (condition) of 20000 Pa,2 h,40 g/m 3(CH 3Br) was the best combination against the (weevil) for quarantine.
2 0 0 0 0Pa、 2h、溴甲烷 (CH3Br)4 0 g/m3为最优检疫熏蒸处理组合
8.a weevil with a long snout
长着长嘴的象鼻虫
9.The investigation of summer migration of rice water weevil Lissorhoptrus oryzophilus Kuschel in double cropping rice area of Zhejiang Province in 1994 and 1995 indicated that the main cause of its always low population density in second generation is that most of the adults of first generation emigrated from early rice fields for summer and winter hibernation.
研究表明，浙江省双季稻区稻水象甲二代虫量低的首要原因是绝大部分一代成虫迁出早稻田夏蛰并越冬，构成二代虫源的比例极微。
10.Control Effect of 0.3% Fipronil GR on Rice Water Weevil and Asiatic Rice Borer
0.3%锐劲特颗粒剂防治稻水象甲及兼治螟虫试验
