Study on controlling efficacy of derris root extracts on tea green leafhopper 鱼藤根提取物对假眼小绿叶蝉的防治
2.
The thesis is a taxonomic study on the leafhoppers of the subfamily macropsinae from china 本文是广头叶蝉亚科macropsinae的分类研究论文。
3.
Study on the transfer of the brown leafhopper - resistant genes from common wild rice o . sativa to cultivated rice 普通野生稻抗褐稻虱基因导入栽培稻研究
4.
Pesticide guidelines for the field efficacy trials part 56 : insecticides against tea lesser leafhopper 农药田间药效试验准则二第56部分:杀虫剂防治茶树叶蝉
5.
Following the revision by zhang & webb ( 1996 ) on oriental leafhopper subfamily selenocephalinae further material was borrowed to promote our study on this group 本文是关于亚太地区缘脊叶蝉形态、分类、系统发育和生物地理学方面的综合研究论文。
6.
Range and method of use : it can prevent various kinds of soil pests and pests on leaf corps , such as grubs , mole crickets , agrotis segetum , leafhoppers , crickets , cockchafer , bugs , armyworms , grasshoppers , and etc 使用范围及方法:防治多种土壤害虫和许多叶类作物上的害虫,如:蛴螬、蝼蛄、地老虎、叶蝉、蟋蟀、金龟子、臭虫、粘虫、蚱蜢等。
7.
The entomophthoralean fungus , pandora delphacis ( hori ) humber , ( zygomycotina : entomophthorales ) is an insect pathogen specific to homopteran insects such as planthoppers , leafhoppers , and aphids and frequently cause epizootics in insect populations . problems with propagation of inocula at a low cost , but high efficiency , have been a technical obstacle to progress for entomophthoralean study and utilization for a long run 飞虱虫疠霉( pandoradelphacis ( hori ) humber )是同翅目昆虫的专性昆虫病原真菌,分类上属于接合菌亚门( zygomycotina )的虫霉目( entomophthorales ) ,常引发飞虱、叶蝉的流行病,也侵染蚜虫、沫蝉等寄主。
8.
The ants " quantity is 2203 , and whose dominance index is 0 . 2832 . the quantit y of the rove beetles of the coleoptera is 1619 , and whose dominance index is 0 . 2081 . the pyralids moths and outlet moths of the lepidoptera , the leafhoppers of the homoptera , the darking beetles of coleptera and blow flies of the diptera take the dominant place in moderate insect community 中性昆虫群落中,以膜翅目蚁科种类及数量最多,其群落数量为2203头,优势度指数为0 . 2832 ;其次是鞘翅目隐翅甲昆虫,数量为1619头,优势度指数为0 . 2081 ;再次是鳞翅目的螟蛾、夜蛾,同翅目的叶蝉,鞘翅目的拟步甲,双翅目的丽蝇等昆虫。
9.
Firstly , the reasearch history on the subfamily macropsinae is reviewd ; in the morphology part , the taxonomic characters and terms are outlined ; in the biology and economic importance section , some known host plants and 3 important leafhoppers that carry virus are recorded ; zoogeographical analysis shows that most of the chinese genera and species are found in southwestern china and center huazhong ; finally , 45 species of 11 genera in the tribe macropsini are recognized , of which 26 species and 4 genera are new to science , 2 genera and 9 species are newly recorded from china , and 2 species are transferred as new combinations . keys are given to all the generic and specific taxa concerned 论文根据现有标本对中国广头叶蝉亚科进行了系统的分类研究,全文共记述了广头叶蝉11个属共45种,包括4新属、 26新种、 2中国新记录属、 9中国新记录种、 2新组合;编制了分属、种检索表,绘制了全部新种的外部主要形态特征图和雄性外生殖器图,文末附有主要参考文献和索引。新分类单元、新组合、新纪录如下:新属:弯背叶蝉属doroflexusgen . nov . 、指突叶蝉属digitalsgen . nov . 、细突叶蝉属tennuisimusgen . nov . 、阔唇叶蝉属expansusgen . nov . 。