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Vaporariorum were generally 2~6℃lower than those in B. tabaci biotype B.

这与温室白粉低温耐受性强于B型烟粉,而B型烟粉有脚温室白粉耐高温胁迫的生态学现象相一致。

According to pet fur features to a variety of imported raw materials, and add advanced international eliminate fleas ticks except prescription-Ivermectin, the effective elimination of various Ectoparasite prevent fleas ticks up to cause skin infections and eliminate fleas kill ticks excellent results.

灭蚤杀Eliminate fleas kill lice 根据宠物皮毛特点,选用多种进口原料,并添加国际先进的灭蚤除配方—伊维菌素,能有效灭除各种体外寄生虫,防止蚤引起皮肤感染,灭蚤杀效果极佳。

For the first time, this study conducted a series of field sampling in multiple locations over several years and demonstrated that the B and Q biotypes first invade areas with high frequency of transport through human movement of plant materials, and then rapidly spread into surrounding areas and displace indigenous genotypes, and in parallel with displacement significant changes in sex ratio occurred in the mixed populations. Crossing experiments demonstrated that in the B. tabaci species complex there are many genetic groups that are completely or nearly completely isolated in reproduction. Apart from behavioural mechanisms, difference in host plant suitability and insecticide susceptibility between whitefly biotypes may also play important roles in the displacement of indigenous whiteflies by alien whiteflies in Zhejiang.

本研究首次以一个地理区域内广泛系统的野外调查数据证实,B型和Q型烟粉首先通过花卉苗木调运入侵交通较为发达的地区,然后迅速向周边扩张并取代土著烟粉,同时入侵取代过程伴随着混合种群中性比的变化;杂交试验证明烟粉复合种内存在多个生殖上隔离或基本隔离的遗传群;B型烟粉在浙江省内迅速取代土著烟粉,除行为机制外,生物型之间寄主适应性和药剂敏感性等方面的差异也可能在此过程中起着重要作用。

In addition,the rapid development of resistance to chemical insecticide by psocids has also been reported.In China,the commonly occurred psocid species are Liposcelis bostrychophila,L.entomophila,L.decolor,and L.paeta.

在我国发生为害最为严重的种类有嗜卷书Liposcelis bostrychophila、嗜虫书L.entomophila、无色书L.decolor以及小眼书L.paeta等。

Any of various jumping plant lice of the family Psyllidae, especially of the genus Psylla, which includes several species that infest fruit trees.

一种木科植物跳,尤指属于跳属的木,有不少品种是侵害果树的

Homology modeling of 3-D structure of two AChE from L.entomophila were constructed using H.sapiens(1p0i:A) native BuChE structure and Drosophila melanogaster(1d×4:A) native AChE structure as templates,respectively,by SWISS-MODEL.The catalytic triad were found and denoted in the 3-D structure of AChE from L. entomophila referring to T.californica.2.2 Gene cloning ofβ-actin and mRNA expression levels of two AChE genes from L. entomophilaBecause no reference gene has ever been used in Real Time PCR for L.entomophila in GeneBank,a fragment ofβ-actin gene was cloned from L.entomophila(GenBank Accession No.: FJ041117).It consists of 822 bp encoding a protein of 273 amino acids residues.

利用蛋白质结构同源建模工具,分别以人丁酰胆碱酯酶(1p0i:A)和果蝇乙酰胆碱酯酶(1d×4:A)的蛋白晶体结构为模板,对嗜虫书2个AChE的三维结构进行同源建模,并在三维结构中发现了AChE的酶解活性位点,证明嗜虫书体内也存在2个AChE基因。2.2嗜虫书β-actin基因克隆及乙酰胆碱酯酶基因mRNA表达水平研究目前关于嗜虫书的分子生物学研究较少,在GenBank中没有可用作内参基因的序列,因此本研究从嗜虫书体内克隆获得β—actin基因片段(GenBank登录号:FJ041117),该片段长度为822 bp,编码273个氨基酸残基,同源性比对分析表明该片段与其它昆虫的β—actin基因具有很高的同源性。

By fitting the models of semivariogram of them and analyzing the patterns, it was found that the nugget range of macropterous SBPH and larval SBPH were approaching to that of spiders, as well as the range of structural intensity, but the nuggets of SBPH were not approaching to that of spiders, neither the structural intensity. The spatial pattern of larval SBPH and spiders were aggregation, but that of macropterous SBPH was random sometimes.

通过变差函数模型的拟合及空间格局的分析,得出灰飞长翅成虫、若虫与蜘蛛的变程范围相近,结构性强度的范围相近,但同一时间灰飞与蜘蛛的变程和结构性强度则均不尽相同;灰飞若虫与蜘蛛自始至终为聚集分布,但灰飞长翅成虫与蜘蛛的分布型则有差异,在某些时间为均匀分布。

Continuous observations using the video recording system showed that in the three biotypes,the earliest copulation events occurred 2-6 h after emergence and 56-73%of females copulated at least once by 12 h after emergence.

3B型烟粉与ZHJ2型烟粉的生殖隔离程度与同型雌雄虫之间的交配次数和频率相比,B型烟粉和ZHJ2型烟粉之间的交配次数显著减少,交配频率显著下降。

However,the number of events and frequency of copulation between the biotype B and ZHJ2 decreased significantly compared with those between females and males of a given biotype being placed in one arena, demonstrating a degree of pre-mating partial reproductive isolation between these two biotypes.Although some of the adults of the biotype B and ZHJ2 copulated with each other,mated females produced only male progeny,demonstrating a post-mating complete isolation in reproduction between the two biotypes in cases where copulation has happened.

4B型烟粉与ZHJ2型烟粉在棉花上的竞争取代过程当B型烟粉与ZHJ2型烟粉以3:20的比例在棉花上开始竞争,在未喷施吡虫啉乳油的情况下,B型经过6代完全取代了ZHJ2型,并伴随着B型雌虫比例的上升和ZHJ2型雌虫比例的下降;在喷施吡虫啉乳油的情况下,B型取代速度加快,经过5代完全取代了ZHJ2型,也伴随着B型雌虫比例的上升和ZHJ2型雌虫比例的下降;B型单一种群中,雌虫比例稳定在55%~60%;ZHJ2型单一种群中,雌虫比例稳定在50%左右。

Psocids,belonging to Liposcelididae,Psocoptera,are worldwide and commonly found in various processed and unprocessed dry foods.Outbreaks of psocids could pose an alarming threat to stored product.Routine fumigations of warehouses and storage facilities with methyl bromide and PH_3 have failed to control these pests.

属于啮目Psopotera、书科Liposcelididae、书属Liposcelis,是一类重要的储藏物害虫,大量发生时可造成严重的经济损失,而且对化学药剂的抗性发展很快,已经引起了全世界储藏物工作者的高度重视。

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在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

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