中国新叶蠊属一新种和一新记录种记述(蜚蠊目：姬蠊科)

In the present paper, Neoloboptera Princis is reviewed and one new species, Neoloboptera choui Che, sp. nov., and one new record species, N. reesei Roth, are described and illustrated. All type specimens are kept in the Insect Collection of Southwest University (SWU).     

中国玛蠊属三新种记述(蜚蠊目,姬蠊科)

刺玛蠊属Margattina Bey-Bienko,1958是玛蠊属Margattea Shelford,1911新的同物异名。记述了产于中国的玛蠊属Margattea Shelford,1911的3新种并提出1新组合:华丽玛蠊M.speciosa sp.nov.,分布于湖南、江西;岔突玛蠊M.furcata sp.nov.,分布于贵州;无斑玛蠊M.immaculata sp.nov.,分布于浙江;三刺玛蠊M.trispinosa (Bey-Bienko,1958)comb.nov.,且附中国已知种的检索表。新种模式标本保存在中国科学院上海昆虫博物馆。     

Cockroaches that lack Blattabacterium endosymbionts: the phylogenetically divergent genus Nocticola

Phylogenetic relationships among termites, mantids and the five traditionally recognized cockroach families have been the subject of several studies during the last half-century. One cockroach lineage that has remained notably absent from such studies is the Nocticolidae. This group of small, elusive surface- and cave-dwelling species from the Old World Tropics has been proposed to represent an additional family. Using molecular sequences, we performed an initial phylogenetic examination of Nocticola spp. The hypothesis that they are phylogenetically divergent was confirmed from the analyses of three genes and a combined dataset. To supplement our phylogenetic analyses, we attempted to amplify 16S rRNA from the obligate mutualistic endosymbiont Blattabacterium cuenoti, present in all cockroaches studied to date. Unexpectedly, amplification was unsuccessful in all Nocticola spp. examined. This result was confirmed by microscopic examinations of fat body tissue. These Nocticola spp. are the first cockroaches found to be uninfected by B. cuenoti, which raise questions about when the bacterium first infected cockroaches.     

Latitudinal pattern in body size in a cockroach,Eupolyphaga sinensis

Body size of insects with flexible life cycles is expected to conform to the saw‐tooth model, a model in which the relationship between size and developmental time depends on length of the growing season. In species with high variability in terms of voltinism, however, more complex patterns can be expected. Few empirical studies have demonstrated the existence of such relationships, or whether climatic factors contribute to these relationships. In this study, we investigated the geographic variation in body size of the Chinese cockroach, Eupolyphaga sinensis Walker (Blattaria: Polyphagidae), which has a variable life cycle length. The sizes of adults – collected from 14 localities ranging from temperate to subtropical zones in China – were measured, using body length, body width, and pronotum width as parameters. The relationship between size, latitude, and climate factors (encompassing 10 variables) was then investigated. We found that the body size of E. sinensis varied considerably with latitude: cockroaches were larger at low and high latitudes, but smaller at intermediate latitudes. Thus, the relationship between climate and body size conformed to a saw‐tooth pattern. Results indicate that two factors were significantly associated with body size clines: season length and variability in life cycle length. Our results also demonstrated that climatic factors contribute to latitudinal clines in body size, which has important ecological and evolutionary implications. It can be expected that global climate change may alter latitudinal clines in body size of E. sinensis.     

浙江天目山蜚蠊分类研究

记述浙江天目山自然保护区蜚蠊3新种:双色麻蠊Stictolampra bicolor Guo,LiuetLi,sp.nov.;郑氏拟歪尾蠊Episymploce zhengiGuo,Liuet Li,sp.nov.和长片拟歪尾蠊E.longilamina Guo,Liuet Li,sp.nov.。模式标本均保存在中国科学院上海昆虫博物馆。     

白垩纪中期缅甸琥珀蜚蠊目昆虫一新种(蜚蠊目: 自由蜚蠊科)

文中根据产自白垩纪中期缅甸琥珀中的一块蜚蠊标本,建立一新种Stavba vrsanskyi sp. nov.,归入自由蜚蠊科(Liberiblattinidae)。新种与Stavba babkaeva Vr?anskáand Vr?ansky, 2019不同之处在于其头部近三角形,前翅R脉简单且无二级分支, M脉分支较少。新材料的发现进一步增加了白垩纪缅甸琥珀中蜚蠊的生物多样性。     

中国毡蠊属二新种和一纪录种记述(蜚蠊目,姬蠊科)

1弧毡蠊,新种 facobsonina arce sp.nov.本种与简毡蠊 facobsonina simples Hebard,1929相似,可从以下特征区分:1)腹部第7背板不特化,后者特化,具1对圆形凹陷;2)中阳茎粗壮,呈棒状具1刷状附属阳茎,后者细长无刷状附属阳茎;3)下生殖板的后端部弧状突出,后缘波状弯曲,后者后端部略弧状突出,后缘近平截.正模♂,湖北秭归九头岭,100 m,1993-06-12,李文柱采.副模:1♂,湖北秭归九头岭,150 m,1993-07-13,姚建采;3♂♂,1♀,同正模;1♂,湖北秭归九头岭,150 m,1993-06-13,黄润质采;1♂,湖北秭归九头岭,150 m,1993-06-12,姚建采;1♂,广西龙胜花绑林区,1963-06-7,刘思孔采.2扭毡蠊,新种,Jacobsonina tortuosa sp.nov.本种与特毡蠊 Jacobsonina aliena(Brunner,1893)相似,但可从以下特征区分:1)下生殖板左侧角呈倒"L"形缺刻,右侧角圆滑呈指状,左侧缘波状弯曲,右侧缘明显弧状突出,但后者的侧缘微凹入,端部窄且平截;2)中阳茎粗壮,呈棒状无附属阳茎,后者中阳茎弯曲且其下具1粗壮的骨片.正模♂,云南西双版纳景洪,650 m,1958-07-5,孟绪武采.副模:2♂♂,云南西双版纳大勐龙,650 m,1957-06-17,王书永采;1♂,同正模;1♂,云南西双版纳大勐龙,650 m,1957-07-10,洪淳培采.     

中国拟截尾蠊属二新种和三新纪录种(蜚蠊目,姬蠊科)

记述中国拟截尾蠊属Hemithyrsocera Saussure 2新种和3新纪录种:二叉拟截尾蠊Hemithyrsocera bifurcata Che,sp.nov.,多突拟截尾蠊Hemithyrsocera multicuspidata Wang,sp.nov.,缘拟截尾蠊H.marginalis(Hanitsch)(中国新纪录种,国内分布:云南,广东),刺突拟截尾蠊H.macifera(Roth)(中国新纪录种,国内分布:云南,广西)和福拟截尾蠊 H.fulmeki Hanitsch(中国新纪录种,国内分布:福建,云南).文中给出了所有中国种类的检索表.模式标本保存在西南大学标本室和中国科学院动物研究所.     

Jumping cockroaches (Blattaria,Skokidae fam. n.) from the Late Jurassic of Karatau in Kazakhstan

The jumping cockroach Skok svaba gen. et sp. n., characteristic of modern reproduction, is described from the Upper Jurassic Karabastau Formation in Kazakhstan, and attributed to a new family Skokidae. The finding demonstrates the immense plasticity of stem cockroaches from which eusocial termites and predatory mantises evolved.