The subgenus Persicargas (Ixodoidea: Argasidae: Argas). 22. The effect of feeding on hormonal control of egg development in Argas (Persicargas) arboreus

The blood-meal is essential to complete ova development by supplying nutrients and by stimulating hormone production in mated female Argas (Persicargas) arboreus. Within 3 days after feeding, the hormone is synthesized in the nerve ganglion and afterward is released into the hemolymph. Isolating the ovaries by ligation from the nerve ganglion during the hormone synthesis period interfered with ova development. Injecting an extract of nerve ganglia from 3-day-fed, mated females and of hemolymph from 4-day-fed, mated females into mated, recently fed females induced the same degree of ova development in their isolated ovaries as in fed, mated control females. Injecting nerve ganglion extract from 3-day-fed, mated females into mated, unfed females did not induce ova development.     

Vitellogenesis in Oncopeltusfasciatus: PLC/IP3, DAG/PK-C pathway triggered by CaM

In Oncopeltus fasciatus, evidence shown here indicates it is calmodulin (CaM) that activates phospholipase-C (PLC), beginning a signalling pathway necessary for endocytic uptake of yolk precursor molecules. Epithelial cell-produced CaM, transported to oocytes via gap junctions, has been shown to be required for receptor-mediated endocytic uptake of vitellogenins (Vgs, the protein precursors of yolk). To determine if CaM was directly or indirectly stimulating the phospholipase-C (PLC) signalling cascade and thus controlling Vg endocytosis we used a series of molecules known to inactivate various elements of the pathway. W-7 prevents CaM from interacting with other molecules. Neomycin isolates PIP₂ from PLC. U-73122 directly inactivates PLC. 2-APB blocks IP₃ receptors which would otherwise cause release of Ca²⁺. Verapamil and CdCl₂ block Ca²⁺ release channels. Staurosporin and calphostin are inhibitors of PK-C. 1-Hexadecyl-2-acetyl glycerol (HAG) binds to diacylglycerol (DAG). Through the use of these antagonists we show here that: (1) the activation of phospholipase-C in this system requires CaM. (2) Stimulated phospholipase-C converts PIP₂ into IP₃ and DAG. (3) IP₃ causes increase in cytosolic Ca²⁺. (4) DAG and Ca²⁺ each stimulate phosphokinase-C, resulting in endocytosis of Vgs.     

中国拟埃蝗属分类研究(直翅目,剑角蝗科)

记述分布于我国拟埃蝗属3种,记述1新种,即短翅拟埃蝗Pseudoeoscyllina brevipennis sp.nov.,附有分种检索表和种类分布情况,模式标本保存于陕西师范大学动物研究所昆虫标本室。短翅拟埃蝗,新种Pseudoeoscyllina brevipennis sp.nov.(图1~8)新种与长角拟埃蝗Pseudoeoscyllina longicorna Liang et Jia,1992的主要区别:前者颜面隆起侧缘在中央单眼之上明显收缩,后者直;前者复眼纵径为眼下沟长的1.2倍,后者为1.87倍;前者前翅到达后足股节中部,后者超过后足股节顶端。正模♀,黑龙江北安,2007-08-27;副模1♀,同正模,孙慧敏等采。词源:种名以拉丁字brev及pennis为名。     

中国直背蝗属一新种（直翅目：蝗科）

本文记述采自吉林省长白山蝗虫一新种,黄股直背蝗,新种Ｅｕｔｈｙｓｔｉｒａｌｕｔｅｉｆｅｍｏｒａｓｐ．ｎｏｖ．。该新种近似短翅直背蝗Ｅｕｔｈｙｓｔｉｒａｂｒａｃｈｙｐｔｅｒａ（Ｏｃｓｋ．）。     

新疆地区拟埃蝗属一新种（直翅目：剑角蝗科）

记述采自新疆地区拟埃蝗属Pseudoeocyllina Liang一新种,即新疆拟埃蝗Pseudoeocyllin xinjiangensissp．nov．,模式标本保存于陕西师范大学动物研究所昆虫标本室。     

Ecotypic differentiation in the grasshopper Chorthippus brunneus: life history varies in relation to climate

Life history variations among 27 populations of the grasshopper Chorthippus brunneus from around the British Isles were examined under laboratory conditions over three generations. Multiple-regression analysis was used to examine the relationship between grasshopper life histories and the climates of their ancestral sites. Grasshoppers from cooler sites were heavier at hatching. Grasshoppers from northern sites grew faster and developed through fewer instars, attaining adulthood earlier, at the expense of adult size. Depending on the measure of adult size used, adults were larger in warmer, sunnier or more southerly locations. Ecotypic differentiation is probably widespread among animals as it is among plants, though it is more rarely demonstrated by zoological studies, especially over the wide geographical scale covered here. Evidence from regression analysis supports the hypothesis that ecotypic differentiation in C. brunneus is an evolutionary response to climatic variation. The existence of intraspecific genetic diversity for climatic adaptations has implications for biodiversity conservation and the understanding of biotic responses to climatic change. It deserves wider recognition. Received: 5 October 1998 / Accepted: 30 June 1999     

中国台湾佛蝗属一新种(直翅目,剑角蝗科,佛蝗亚科)

记述了采自中国台湾剑角蝗科佛蝗亚科佛蝗属Phlaeoba Stal,1860的1新种南投佛蝗Phlaeoba nantouensis sp.nov.,该新种近似台湾佛蝗Phlaeoba formosana（Shiraki,1910）,区别特征为前翅较长,超过第3腹节背板的后缘;触角中段一节的长为宽的4倍;肛上板中纵沟深,两侧平行。模式标本保存于国立自然科学博物馆,台中。     

中国窝蝗属一新种：直翅目：蝗总科：剑角蝗科

本文了剑角蝗科窝蝗属１新种：郑氏窝蝗Ｆｏｖｅｏｌａｔａｃｒｉｓ ｚｈｅｎｇｉ,ｓｐ．ｎｏｖ。,采自甘肃省南县宝瓶河牧场;并据此对属征作了必要的修订,给出了分种检索表。模式标本保存于陕西师范大学动物研究所。     

云南华佛蝗属一新种(直翅目,剑角蝗科)(英文)

记述中国剑角蝗科Acrididae华佛蝗属Sinophlaeoba Niu et Zheng,20051新种,即郑氏华佛蝗Sinophlaeoba zhengi sp.nov.。编写了该属4种的分种检索表。模式标本保存于大理学院农学与生物科学学院。郑氏华佛蝗,新种Sinophlaeoba zhengi sp.nov.(图1~11)新种近似于老阴山华佛蝗S.laoyinshanMao,OuetRen和短翅华佛蝗S.brachyptera Mao,OuetRen,与二者的区见表1。正模♂,云南元江那诺,海拔1732m,2009-11-29,自旺采。副模1♀,云南元江那诺,2008-07-14,卫微采。词源:新种种名以郑哲民教授的姓氏命名,以示对他昆虫分类领域做出突出贡献的敬意。表1郑氏华佛蝗与老阴山华佛蝗和短翅华佛蝗的比较老阴山华佛蝗S.laoyinshan郑氏华佛蝗,新种S.zhengi sp.nov.短翅华佛蝗S.brachyptera雄性头长等于前胸背板长雄性头长略长于前胸背板长,雌性头长近等于前胸背板长雄性头长长于前胸背板长,雌性头长近等于前胸背板长雄性触角较短,达到后足基节雄性触角较长,达到后足股节的1/5雄性触角较短,达到后足基节雄性前翅达到第3腹节后缘或后足股节的1/4雄性前翅略超过第4腹节后缘或后足股节的1/3,雌性达到第3腹节中部雄性前翅几达到第5腹节后缘或后足股节的1/2,雌性达到第4腹节后缘阳具基背片背观桥呈弧形,桥与侧板间夹角呈直角形,锚状突顶端较远地超过桥,侧板后突指向后方阳具基背片背观桥近直,桥与侧板间夹角呈钝角形,锚状突顶端较远地超过桥,侧板后突指向外后方阳具基背片背观桥近直,桥与侧板间夹角明显呈钝角形,锚状突顶端略超过桥,侧板后突指向外方     

Comparison of Yolk Production in Seven Pyralid Moth Species

Summary

The yolk proteins of six pyralid moths were analyzed and compared with the yolk proteins of Plodia interpunctella (Hübner). When cross-reacted in an Ouchterlony double immunodiffusion with antiserum raised to either total yolk proteins or purified vitellin from P. tnterpunctella, the yolk proteins of Anagasta kuehniella (Zeller), Cadra cautella (Walker), C. figulilella (Gregson), and Ephestia elutella (Hübner), closely related members of the subfamily Phycitinae, showed strong precipitation lines that consisted of four major yolk polypeptides (YPs). The yolk proteins from Amyelois transitella (Walker) were only weakly reactive, whereas yolk proteins from Galleria mel-lonella (L.) were not precipitated by either antiserum. Abdominal body walls (containing primarily fat body) from late pharate adult females were incubated in vitro and they secreted two major polypeptides that had molecular masses similar to the vitellogenins (YP1 and YP3) from P. interpunctella. In addition, ovarioles from late pharate adult females were incubated in vitro, and they secreted two major polypeptides that had molecular masses similar to YP2 and YP4 from P. interpunctella. When late pharate adult females were injected with ³⁵S-Met, the hemolymph of all species contained vitellogins that were secreted by their respective body walls in vitro. Ovarioles from injected females contained many labeled polypeptides, but there were four major bands that corresponded consistently to the vitellogenins secreted from the fat body and the two major polypeptides secreted from the ovarioles. These data show that the production of the major YPs in these closely related pyralid species is very similar, and that there is considerable conservation of immunological characters of yolk proteins in the subfamily Phycitinae.     

中国埃蝗属的分类研究及一新种记述

记述分布于我国的埃蝗属 Eoscyllina 5 种,其中有 1 新种,即黑龙江埃蝗 Eoscyllina heilongjiangensis Zheng et Xu, sp. nov.,附有分种检索表和种类分布情况。模式标本保存于陕西师范大学动物研究所昆虫标本室。     

黑龙江省迷蝗属一新种：（直翅目：蝗总科）

迷蝗属为印象初等1987年发表的新属,已知有2种,即短翅迷蝗Confusacrisbrachypterus Yin et Li和素色迷蝗C.unicolor Yin et Li,作者在整理黑龙江省大兴安岭地区的蝗虫标本时,发现迷蝗属1新种,现记述如下。模式标本保存在陕西师范大学动物研究所。