A new species of Eopompilus Gussakovskij(Hymenoptera:Pompilidae) from China, with an updated key to the species

A new species of Eopompilus（Pompilidae： Pepsinae）, E. ungulivarius Ji Ma sp. nov., is described and illustrated based on specimens collected on Liupanshan Mountain in Ningxia, China. A key to the species of this genus worldwide is provided.

Notes on the genus Auplopus Spinola (Hymenoptera:Pompilidae) with a newly recorded species from China

One species, Auplopus smithi（Banks, 1934）（Pompilidae： Pepsinae： Agenillini）, is redescribed and illustrated from China for the first time. A species checklist to the genus Auplopus Spinola from China is provided, including a catalogue and distribution of 19 known species. In addition, a key to the species of the genus Auplopus from China is provided.

胃蛋白酶Pepsin A性质与结构分析

胃蛋白酶是一种肽链内切酶,它将蛋白质分解成较小的肽(即蛋白酶)。在胃中产生,是人类和许多其他动物消化系统中的主要消化酶之一,在那里它有助于消化食物中的蛋白质。由胃壁中的主要细胞释放的胃蛋白酶原,与胃液的盐酸混合后,胃蛋白酶原激活成为胃蛋白酶。本文对胃蛋白酶的基本特性进行了初步分析,通过分析胃蛋白酶氨基酸组成、疏水性表明胃蛋白酶具有酸性蛋白、胶原蛋白、黏蛋白等特征,整体呈现疏水性。利用MEGA软件进行胃蛋白酶系统发育分析,结果表明人与日本猕猴亲缘关系高度相近,而牛和日本猕猴两者的亲缘关系较远。使用PSORTII分析工具对胃蛋白酶亚细胞定位进行预测,结果表明胃蛋白酶主要分布于细胞外。最后,采用同源建模法构建了胃蛋白酶的三级结构,并对建模质量进行了评估,结果表明三级结构预测总体准确。

中国蛛蜂一新属二新种记述(膜翅目:蛛蜂科)

记述中国蛛蜂科Pompilidae沟蛛蜂亚科Pepsinae锯胫沟蛛蜂族Priocnemini 1新属:长沟蛛蜂属Macropriocnemis An&Li gen.nov.及2新种:褐足长沟蛛蜂Macropriocnemis fulvipedalis An&Li sp.nov.和浙江长沟蛛蜂Macropriocnemis zhejiangensis An&Li sp.nov.。该新属与其相似属Eopriocnemis Loktionov&Lelej,2019在头部刻点、唇基形状和长度、颚眼距、前翅斑点等处相区别。文中还编制了锯胫沟蛛蜂族Priocnemini世界已知属的检索表。