啮小蜂雄蜂触角的扫描电镜观察

应用扫描电镜对啮小蜂(膜翅目Hymenoptera啮小蜂科Tetrastichinae)Tetrastichus sp．雄蜂触角及其表面的化学感器进行了观察,结果表明雌蜂触角表面存在板形感器和坛形感器两大类,两者数量和分布存在较大的差异。本文探讨了这两类触角化学感器的形态差异以及在寄主接受和交配行为中的不同功能。     

松阿扁叶蜂寄生性天敌一新记录种（膜翅目：姬蜂科：栉足姬蜂亚科）

记述寄生于松阿扁叶蜂Acantholyda posticalis Matsumura幼虫的姬蜂科1新记录种:亮栉姬蜂Ctenoplma luciferum(Gravenhorst),对其分类地位、形态特征、分布及寄主进行了记述,并对该姬蜂的生物学进行了初步的研究。     

中国扁蜂科(膜翅目:扁蜂科)二新种

记述了采自贵州(梵净山)、黑龙江和辽宁的扁蜂科Pamphiliidae齿扁蜂属Onycholyda tukeuchi的两新种:梵净山齿扁蜂Onycholyda fanjingshanica sp.nov.和郝氏齿扁蜂Onycholyda haoi sp.nov.,新种的模式标本保存在中南林学院昆虫标本室.     

中国叶蜂四新种(膜翅目,广腰亚目:扁叶蜂科、叶蜂科)

本文记述了中国叶蜂四新种，其中扁叶蜂科一新种、叶蜂科三新种。文中附有形态特征图11幅。     

河北省叶蜂分类研究──Ⅱ.雾灵山突瓣叶峰两新记录属和一新种(膜翅目:叶峰科)

记述了采自河北省雾灵山区的叶蜂科2个中国新记录属,含1个新种和1个新记录种：中华双突叶蜂Anoplonyxsinensissp.nov．（新种）和黄褐顶脉叶蜂dineuravirididorsats（Retsius）。中华双突叶蜂前翅具2r-m脉、触角长于前翅C脉等与Anoplonyxduplex（Lepeletier）和Anoplonyxpectoralis（Lepeletier）比较近似,但触角端部各节长宽比为6,单眼后区宽长比为3,锯腹片15节且3-13节缝具粗长节缝刺突等与此2种不同。根据中国标本描述了中国新记录属一顶脉叶蜂属属征和黄褐顶脉叶蜂种征。     

中国褐径茧蜂属Cocygidium Sausure一新种及一新记录(膜翅目:茧蜂科)

窄径茧蜂是钻蛀性鳞翅目害虫幼虫的一类重要内寄生蜂,目前国内尚无系统的研究报道．本文记述窄径茧蜂亚科Ａｇａｔｈｉｄｉｎａｅ褐径茧蜂属ＣｏｃｙｇｉｄｉｕｍＳａｕｓｓｕｒｅ分布于福建省的２个种．其中,全室径茧蜂Ｃｏｃｃｙ ｇｉｄｉｕｍａｂｓｏｌｕｔｕｓＣｈｅｎ＆Ｙａｎｇ为新种,日本径茧蜂ＣｏｃｙｇｉｄｉｕｍｎｉｈｏｎｅｎｓｅＳｈａｒｋｅｙ为中国分布新记录种,并建立了该属中国已知６种的分种检索表．新种的模式标本保存于福建农业大学植物保护系益虫研究室．     

中国蕨叶蜂科一新属种(膜翅目:叶蜂亚目)

报道了中国蕨叶蜂科一新属新种：黄足华脉叶蜂Ｓｉｎｏｎｅｒｖａａｌｂｉｐｅｓ,ｇｅｎ．ｅｔｓｐ．ｎｏｖ．     

危害马尾松的一种新叶蜂(膜翅目:扁叶蜂科)

本文记述腮 叶蜂属一瓣种即马尾松肋扁叶蜂。本种在重庆市永川市,大足县等危害马尾松很严重。     

Commercial honey bees (Apis mellifera) reduce the fecundity of an Australian native bee (Hylaeus alcyoneus)

European honey bees used for commercial honey production represent a potential source of competition for floral resources with native nectar and pollen feeding insects. This study reports the results of an experiment run over two years on the impact of commercial honey bees on the fecundity of a solitary native bee, Hylaeus alcyoneus. Registered apiary sites were used as treatment sites (with honey bees) while control sites (without honey bees) were interspersed between. The fecundity of H. alcyoneus was measured using trap nests. We compared the number of nests produced, number of eggs per nest and emerging progeny mass of H. alcyoneus in sites with and without commercial bee hives. The number of nests produced by H. alcyoneus was 23% less (Wilcoxon’s T) at treatment sites than control sites. Analysis of individual measurement intervals using ANOVA was compromised by a general lack of power. This result highlights that even though honey bees have been present in certain areas for many years, competition with native bees may still be occurring.