嗜蛛姬蜂族一新属—斜脉姬蜂属记述：膜翅目：姬蜂科：瘤姬蜂亚科

本文记述采自浙江的嗜蛛姬蜂族Ｐｏｌｓｐｈｉｎｃｔｉｎｉ１新属：斜脉姬蜂属Ｒｅｃｌｉｎｅｒｖｅｌｌｕｓ ｇｅｎ．ｎｏｖ．及１新种：背凹斜脉姬蜂Ｒｅｃｌｉｎｅｒｖｅｌｌｕｓ ｄｏｒｓｉｃｏｎｃａｖｕｓ ｓｐ．ｎｏｖ．。     

中国短脉姬蜂属纪要及三新种描述：（膜翅目：姬蜂科）

本文报道中国的５种短脉姬蜂Ｂｒａｃｈｙｎｅｒｖｕｓ Ｕｃｈｉｄａ,其中有３个新种：截距短脉姬蜂Ｂ．ｔｒｕｎｃａｔｕｓ ｓｐ．ｎｏｖ．,牯岭短脉姬蜂Ｂ．ｋｕｌｉｎｇｅｎｓｉｓ ｓｐ．ｎｏｖ．和锚斑短脉姬蜂Ｂ．ａｎｃｈｏｒｉｍａｃｕｌｕｓ ｓｐ．ｎｏｖ．;以及２个已知种;混短脉姬蜂Ｂ．ｃｏｎｆｕｓｕｓ Ｇａｕｌｄ北京短脉姬蜂Ｂ．ｂｅｉｊｉｎｇｅｎｓｉｓ Ｗａｎｇ。对新种作了描述,并报道寄主为刺蛾科昆虫     

中国东北地区长栉姬蜂属记述（膜翅目：姬蜂科）

本文报道采自我国东北地区的长栉姬蜂属１新种,全黑长栉姬蜂Ｒｈｙｎｃｈｏｂａｎｃｈｕｓ ｎｉｇｅｒ ｓｐ．ｎｏｖ．,２新纪录种,黄斑长栉姬蜂Ｒｈ．ｆｌａｖｏｐｉｃｔｕｓ Ｈｅｉｎｒｉｃｈ,米长栉姬蜂Ｒｈ．ｍｉｎｏｍｅｎｓｉｓ（Ｕｃｈｉｄａ）,并附中国已知种检索表。     

河南点刻姬蜂属一新种（膜翅目：姬蜂科）

记述采自中国河南省西峡县老界岭自然保护区的点刻姬蜂属Ｃｉｓａｒｉｓ Ｔｏｗｎｅｓ１新种：软点刻姬蜂Ｃｉｓａｒｉｓ ｍｉｔｉｓ Ｐｅｉ ｅｔ Ｓｈｅｎｇ,ｓｐ．ｎｏｖ．,同时附本属世界已知种检索表,标本保存在国家林业局森林病虫害防治总站。     

中国锤跗姬蜂属一新种：膜翅目：姬蜂科

本文报道了采自新疆的锤跗姬蜂属一新种;伊犁锤跗姬蜂Ａｃｒｏｄａｃｔｙｌａ ｉｌｉｅｎｓｉｓ,ｓｐ．ｎｏｖ。模式标本保存在林业部森林病虫害防治总站。     

甘肃省长凹姬蜂属一新种记述（膜翅目：姬蜂科：短须姬蜂亚科）

本文报道长凹蜂姬属Ｄｉａｐａｒｉｓ Ｆｏｅｒｓｔｅｒ １新种：栗雪片象长凹姬蜂Ｄｉａｐａｒｉｓ ｎｉｐｈａｄｏｃｔｏｎｕｓ Ｈｅ,ｓｐ．ｎｏｖ．。模式标本存浙江农业大学应用昆虫研究所。     

中国盾脸姬蜂亚科一新种及一新记录(膜翅目：姬蜂科)

中国盾脸姬蜂亚科一新种及一新记录（膜翅目：姬蜂科）盛茂领章英（林业部森林病虫害防治总站沈阳１１００３４）１９９５－０４－２０收稿,１９９６－０１－１７收修改稿·９２·黄脸姬蜂属ＣｈｏｒｉｎａｅｕｓＨｏｌｍｇｒｅｎ,１８５６和突唇姬蜂属Ｉｓｃｈｙｒｏｃ...     

寄生落叶松叶蜂的稀姬蜂属一新种：膜翅目：姬蜂科,叶蜂科

本文记述了采自吉林省大兴沟姬蜂和,稀姬蜂属一新种,即无点稀姬蜂Ｈｉｍｅｒｔａ ｉｍｐｕｎｃｔａ ｓｐ．ｎｏｖ．,新种与白额稀姬蜂Ｈ．ａｌｂｉｆｒｏｎｓ １９３０相似,可通过下列特征区别：新种的并胸腹节和腹部背板无皱纹,雌性的脸,额黑色,腹部背板全部黑色,足的基节红色。白额稀姬蜂的并胸腹节和腹部基部的背板具皱纹,脸白色,腹部中部的背板红色,足的基节至少部分黑色。     

中国长栉姬蜂属一新种：膜翅目：姬蜂科

本文报道中国新纪录属长栉姬蜂属ＲｈｙｎｃｈｏｂａｎｃｈｕｓＫｒｉｅｃｈｂａｕｍｅｒ并记述１新种──斑角长栉姬蜂Ｒｈｙｎｃｈｏｂａｎｃｈｕｓｍａｃｕｌｉｃｏｒｎｉｓ,ｓｐ．ｎ．模式标本保存在林业部森林病虫害防治总站。     

扇脊姬蜂属一新种：膜翅目：姬蜂科

本文记述扇脊姬蜂属Ａｌｃｏｃｈｅｒａ Ｆｏｅｒｓｔｅｒ１新种－白颈扇脊姬蜂Ａｌｃｏｃｈｅｒａ ａｌ－ｂｉｃｅｒｕｉｃａｌｉｓ,ｓｐ．ｎ．。模式标本保存在林业部森林病虫害防治总结。     

Recent advances in the study of Kaposi's sarcoma-associated herpesvirus replication and pathogenesis

It has now been over twenty years since a novel herpesviral genome was identified in Kaposi's sarcoma biopsies. Since then, the cumulative research effort by molecular biologists, virologists, clinicians, and epidemiologists alike has led to the extensive characterization of this tumor virus, Kaposi's sarcoma-associated herpesvirus(KSHV; also known as human herpesvirus 8(HHV-8)), and its associated diseases. Here we review the current knowledge of KSHV biology and pathogenesis, with a particular emphasis on new and exciting advances in the field of epigenetics. We also discuss the development and practicality of various cell culture and animal model systems to study KSHV replication and pathogenesis.     

The structure, reproduction and taxonomy of Vidalia and Osmundaria (Rhodophyta, Rhodomelaceae)

Comprises species occurring mostly in subtidal habitats in tropical, subtropical and warm-temperate areas of the world. An analysis of the type species, V. spiralis (Sonder) Lamouroux ex J. Agardh, a species from Australia, establishes basic characters for distinguishing species in the genus. These characters are (1) branching patterns of thalli, (2) flat blades that may be spiralled on their axis, (3) width of the blade, (4) primary or secondary derivation of sterile and fertile branchlets and (5) position of sterile and fertile branchlets on the thalli. Application of the latter two characters provides an important basic method for separation of species into three major groups. Osmundaria , a genus known only in southern Australia, was studied in relation to Vidalia , and its separation from the Vidalia assemblage is not accepted. Species of Vidalia therefore are transferred to the older genus name, Osmundaria. Two new species, Osmundaria papenfussii and Osmundaria oliveae are described from Natal. Confusion in the usage of the epithet, Vidalia fimbriala Brown ex Turner has been clarified, and Vidalia gregaria Falkenberg, described as an epiphyte on Osmundaria pro/ifera Lamouroux, is revealed to be young branches of the host, Osmundaria prolifera.     

New or rare chromosome counts in Artemisia L. (Asteraceae, Anthemideae) and related genera from Kazakhstan

Fifteen chromosome counts of six Artemisia taxa and one species of each of the genera Brachanthemum, Hippolytia, Kaschgaria, Lepidolopsis and Turaniphytum are reported from Kazakhstan. Three of them are new reports, two are not consistent with previous counts and the remainder are confirmations of very scarce (one to four) earlier records. All the populations studied have the same basic chromosome number, x = 9, with ploidy levels ranging from 2x to 6x. Some correlations between ploidy level, morphological characters and distribution are noted.     

肝癌中HBV和HCV基因和抗原的分布及意义

采用原位分子杂交方法检测HCV RNA及HBV X基因;采用免疫组织化学方法研究HCV核心抗原,非结构区C33c抗原及HBxAg在肝细胞肝癌中的定位及分布.结果表明(1)HCV RNA、HBV X基因在肝细胞肝癌组织检出率分别为40%(55/136)和82%(112/136).HCV RNA定位于癌细胞的胞浆内,阳性细胞呈散在、灶状及弥漫分布三种形式;HBV X基因在肝癌细胞中的分布呈胞浆型、核型及核浆型,阳性细胞也呈上述三种分布形式;(2)HCV C33c抗原、核心抗原在肝细胞肝癌中的阳性率为81%(133/164)及86%(141/164).C33c抗原定位于癌细胞及肝细胞的胞浆内;核心抗原既定位于癌细胞核中,又可定位于胞浆中.C33c抗原阳性细胞以灶状分布为主;而核心抗原阳性细     

Selection with two alleles and complete dominance

For a plant selection model with frequency-independent viabilities, fertilities and selfing rates, it is shown that apart from global fixation, for certain parameter combinations a protected polymorphism and facultative fixation (either allele may become fixed according to initial frequencies) may both occur. Facultative fixation requires different selling rates for the dominant and recessive type. Protection of the polymorphism requires resource allocation for male and female function. In this connection the problem of purely genetically caused population extinction is discussed.
For general frequency dependence and regular segregation, the chances for establishment of a completely recessive gene are compared to those of a completely dominant gene. It is proven that the process of establishment of the recessive gene, despite a fitness advantage, may be considerably endangered by drift effects if random mating prevails. The recessive gene may reach the same effectivity in establishment as a dominant gene, only if the recessive homozygote mates exclusively with its own type during the period of establishment.