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Lepidoptera ; eucleidae caterpillar ; pathogenicity ; experimental study ; dermatitis

鳞翅目;刺幼虫;致病性;实验研究;皮炎

The root of Leptopus Chinensis Pojark, belonging to Euphorbiaceae, was extracted with petroleum ether, chloroform and methyl alcohol by different methods. Insecticidal activitives of crude extracts and fractions against Plutella xylostella were tested, and its effects on activities of several enzymes from the pest were evaluated.

本研究以大戟科植物雀儿舌头为实验材料,用多种有机溶剂和不同提取方法对雀儿舌头的根进行抽提,用抽提物及其萃取物分别对危害蔬菜的重要害虫--小菜进行了生物活性测定及几种酶活性的影响,实验结果如下: 1。

C With eversible prothoracic gland (except Melalophaanachoreta Fabr.).

3天社幼虫的上唇和上颚的构造可供分类学上的应用。

Biston falcata attacks Pinus armandi in Zhaotong, Yunnan Province.

鹰翅桦尺Biston falcate在云南省昭通市危害华山松。

The Cordyceps militaris found in Zhaotong, Yunnan Province was investigated. The host insect is Biston falcata, which has one generation a year in Zhaotong and overwinters by pupae. The larvae eat the needles of Pinus aemandii Franch, and therefore is a harmful pest of the pine from mid September to early October.

对云南省昭通地区发现的蛹虫草进行了初步调查,其寄主昆虫为鹰翅桦尺,1年1代,以蛹越冬,幼虫取食华山松叶,为当地华山松纯林的主要害虫,危害高峰期为9月中旬至10月上旬。

The spatial distribution pattern of Phassus excrescens larvae was examined by 6 aggregation indices and regression analysis methods of Iwao, Talor in 5 standard plots of Fraxinus rnandshurica. The results showed that P.

本文通过调查5块水曲柳标准地,采用6种不同的判断空间分布格局的聚集度指标和Iwao,Talor等回归分析法对柳蝙幼虫的空间分布型进行了研究。

A fish of the family Gadidae.

科的模式属;衣

Type genus of the Gelechiidae: pink bollworms.

科的模式属;红铃虫。

Small hairless caterpillar having legs on only its front and rear segments; mostly larvae of moths of the family Geometridae.

小而无毛的毛虫,只在前段和后段身体有腿;尺蠖科多数子的幼虫。

And in case of Grubs in the nest or Moths in the cocoon, too young to crawl out, the law compelled their parents to cover them over with a leaf.

如果发生蛴螬在巢或在茧,太年轻,爬出来,法律迫使他们的父母,以支付他们的叶片。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。