宁夏甲虫的多样性及地理分布

Diversity and Geographic Distribution of Beetles in Ningxia of China

基于宁夏甲虫定名标本和分类资料的整理,得到2亚目12总科42科416属902种(亚种)。其中肉食亚目Adephaga 2科(4.76%)42属(10.10%)117种(12.97%),多食亚目Polyphaga 12总科40科(95.24%)374属(89.90%)785种(87.03%);10个重要科的种数之和超过甲虫总种数的83%,分别是拟步甲科Tenebrionidae 43属(10.34%)153种(16.96%)、叶甲科Chrysomelidae 64属(15.38%)126种(13.97%)、步甲科Carabidae 36属(8.65%)108种(11.97%)、金龟科Scarabaeidae 39属(9.38%)88种(9.76%)、天牛科Cerambycidae 53属(12.74%)84种(9.31%)、瓢虫科Coccinelidae 27属(6.49%)59种(6.54%)、象甲科Curculionidae 36属(8.65%)54种(5.99%)、隐翅甲科Staphyinidae 12属(2.88%)41种(4.55%)、芫菁科Meloidae 5属(1.20%)21种(2.33%)、皮蠹科Dermestidae 5属(1.20%)15种(1.66%);依据甲虫属的物种组成分析,单种属244个(58.65%),寡种属117个(28.13%),多种属55个(13.22%);依据Holt的动物地理区划意见分析,宁夏甲虫在属级(含共有分布属)组成中,古北界成分416属(100%),古北界+东洋界+中日界成分112属(26.92%),古北界+中日界成分153属(36.78%),其他动物地理界成分仅占151属(36.30%);宁夏甲虫属的分布数量(含共有分布属)与中国各动物地理区的联系由近到远依次是:蒙新区371属(89.18%)、华北区335属(80.53%)、华中区249属(59.86%)、东北区247属(59.38%)、青藏区172属(41.35%)、华南区158属(37.98%)、西南区141属(33.89%);宁夏甲虫属级(含共有分布属)区域分布特点是:荒漠半荒漠区266属(63.94%)、六盘山区240属(57.69%)、黄土高原区121属(29.09%);宁夏特有属26个(6.25%),其中荒漠半荒漠区15属(3.61%),六盘山区11属(2.64%)。

An identification and data compilation had been done in Coleoptera insects from Ningxia.The results showed that there are 902 species of 416 genera,42families,2suborders of Coleoptera insects.There are six features of faunal composition characteristics：the suborder Adephaga including 2families（4.76%）,42genera（10.10%）,117species（12.97%）,and the suborder Polyphaga including 12 superfamilies,40families（95.24%）,374genera（89.90%）,785species（87.03%）;the top10 of familial category from Ningxia are 153species（16.96%）of 43genera（10.34%）of Tenebrionidae,126species（13.97%）of 64genera（15.38%）of Chrysomelidae,108species（11.97%）of 36genera（8.65%）of Carabidae,88species（9.76%）of 39genera（9.38%）of Scarabaeidae,84species（9.31%）of 53genera（12.74%）of Cerambycidae,59species（6.54%）of 27genera（6.49%）of Coccinelidae,54species（5.99%）of 36genera（8.65%）of Curculionidae,41species（4.55%）of 12genera（2.88%）of Staphyinidae,21species（2.33%）of 5genera（1.20%）of Meloidae,15species（1.66%）of 5genera（1.20%）of Dermestidae;the composition of genera category from Ningxia are as follows：244monotypic genera（58.65%）,117few-species genera（28.13%）and 55various-species genera（13.22%）;analysis on the faunal composition from the view of the world animal fauna including the common genera,Ningxia is the Mongolia-Xinjiang member of Palearctic realm（416genera,100%）,other realms have only 151genera（36.30%）;the relation of beetles＇ quantity and geographical area in China：Mongolia-Xinjiang Region（371genera,89.18%）,North China Region（335genera,80.53%）,Middle-China Region（249genera,59.38%）,Northeast Region（247genera,59.38%）,Qinghai-Tibet Region（172genera,41.35%）,South China Region（158genera,37.98%）,Southwest Region（141genera,33.89%）;the faunistic characters of beetles from Ningxia including the common genera：the Desert and Semidesert Region（266genera,63.94%）are predominant types.The Liupan Mountain Region（240genera,57.69%）is the next.The Loess Plateau Region（121genera,29.09%）is the last one.Peculiar member of locality has 26 genera,of which 15genera（3.61%）distribute in the Desert and Semidesert Region,11genera（2.64%）distribute in the Liupan Mountain Region.