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记述了海南岛发生的11种蔬菜害螨的主要形态特征、分布及其寄主植物,发现2种害螨是我省新记录,11种植物是我国害螨的寄主植物新记录. 相似文献
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作者自1988年4月(不包括9月、10月)至1989年3月间,对济南市东郊粮库贮存的大米进行了系统取样调查.根据所获得的定量数据,利用主分量分析方法,对昆虫、螨类和物理因子之间的生态关系做了探讨. 相似文献
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叶螨Spider mites是各种农作物上的害螨,有关叶螨染色体的研究在我区尚未见报道,为了探索出叶螨染色体的制备技术,为准确分类和防治上的运用打基础,作者于1990—1992年对叶螨染色体作了研究,得到了朱砂叶螨(Tetranychus cinnabarinus)、土耳其斯坦叶螨(T.turkestani)和截形叶螨(T.truncatus)的核型图,并将三种叶螨的核型在数目和大小诸方面进行了对比研究。 相似文献
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Thermoperiodically induced diapause in a mite in constant darkness is vitamin A dependent 总被引:1,自引:0,他引:1
Y. M. van Houten W. P. J. Overmeer A. Veerman 《Cellular and molecular life sciences : CMLS》1987,43(8):933-935
Summary By rearing the predacious miteAmblyseius potentillae in a daily temperature cycle in constant darkness it could be shown that diapause may be thermoperiodically induced. When the same experiments were performed using diets without vitamin A it appeared that vitamin A is necessary to achieve a state of reproductive diapause in this mite.2 February 1987 相似文献
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为充分了解文山土壤甲螨资源,于2011年5-6月,在文山校园采集不同生境下的土壤样品,并用Tullgre分离器分离采集甲螨.经鉴定,共分离获得甲螨1167头,隶属于15科,15属.物种多样性一般,均匀度较高;在各样地的优势种为Epilohmannia ovata,Eremulus avenifer,Arcoppia sinensis,Scheloribates orgzae. 相似文献
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为探讨医用空气过滤装置对粉尘螨杀灭效果及降低空气中尘螨过敏原含量的影响,挑取粉尘螨成虫放置在空气过滤装置中,按不同时间段(0,12,24,48,72,96 h)分组,每组200只粉尘螨,处理后采取样本进行杀螨率检测及扫描电镜观察; 采用抗原雾化法检测,收集空气过滤装置处理的1 h样品,并通过双抗体夹心法检测样品中抗原含量.结果表明:空气净化装置处理后尘螨死亡率随着作用时间的延长而逐渐升高,在72 h和96 h,尘螨死亡率分别达到60.5%和92.5%; 处理后的死螨严重脱水,虫体形态高度皱缩.医用空气过滤装置对空气中粉尘螨主要抗原Der f 1和Der f 2具有显著降低作用. 相似文献
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《Journal of Natural History》2012,46(15-16):951-971
The larva, nymphal stages and adult of Hydrozetes longisetosus sp. nov. are described and illustrated, and the relationship of this species with the other European species of Hydrozetes is investigated. This species was first found at the edge of a forest lake, Dury 3, in the Tuchola Forest (Poland). Subsequently, we studied specimens that had been collected in 1976 by Dr H.M. Engelmann 40 km north of Görlitz Niederspree (Germany). Many adults of this species have three setae of the c‐series, which is rare in Hydrozetes and is considered a primitive character. Most adults have two pairs of p‐series setae, which is not common in Brachypylina and is unique among European Hydrozetes. The nymphal stages have many long setae in the marginal part of the gastronotum (whole l‐ and h‐series and seta p 1), and some or all long setae of the c‐ and d‐series, which is unique among European Hydrozetes. In H. longisetosus neotrichy occurs in the h‐series, as in H. parisiensis Grandjean, 1948. Therefore, the former species is closely related to the latter, and also to H. lacustris (Michael, 1882) and H. octosetosus Willmann, 1932, which rarely retain all the c‐series setae in the adults. 相似文献