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Distribution of adult Australian wingless scorpionflies (Mecoptera: Apteropanorpidae)
Austral Entomology ( IF 1.1 ) Pub Date : 2019-12-27 , DOI: 10.1111/aen.12434
Christopher M Palmer 1, 2 , David K Yeates 2
Affiliation  

Apart from a few species of interest to behavioural ecologists, the biology and ecology of most scorpionfly species is not well known. The Apteropanorpidae is a family of wingless Mecoptera endemic to Tasmania, comprising four described species in the genus Apteropanorpa. Intensive field surveys for Apteropanorpa species were conducted from 2001 to 2003 in a range of altitudes and habitats in several parts of Tasmania, and these yielded a large number of adult specimens. Adults were collected from a total of 26 plant species and subspecies belonging to nine families, including both angiosperms and gymnosperms. There was a positive relationship between the total number of plant species sampled at each site and adult abundance, so that sampling a greater number of plant species increased the number of adults collected. There was a positive relationship between plant size and abundance at five out of eight sites, such that adults were more likely to aggregate on larger plants. The overall sex ratio of adults on plants was 1:1. An extremely large series of adults was collected in pitfall traps established along an altitudinal transect on Mt Weld, southern Tasmania, from January to April 2001. Pitfall‐trapped adults comprised two species: Apteropanorpa warra at altitudes ≤1000 m and the alpine species A. tasmanica at altitudes of 1100–1300 m. Total abundance of A. warra in pitfall traps on Mt Weld was low; however, the number of pitfall‐trapped female A. tasmanica was very large and markedly increased linearly with altitude from 1100–1300 m in both March and April 2001. The number of male A. tasmanica was also large and increased markedly from 1100 to 1200 m in both March and April. Data strongly indicate an autumnal peak in adult abundance for the Apteropanorpidae, as is the case for other Australian Mecoptera.

中文翻译:

澳大利亚无翅成年蝎的分布(Mecoptera:Apteropanorpidae)

除了行为生态学家感兴趣的少数物种外,大多数蝎子蝇物种的生物学和生态学还不清楚。所述Apteropanorpidae是无翅长翅目特有的塔斯马尼亚的家族,其包括在属4个描述物种ApteropanorpaApteropanorpa的密集野外调查该物种于2001年至2003年在塔斯马尼亚州多个地区的一系列海拔和栖息地中进行,这些物种产生了大量成年标本。成虫是从属于9个科的26种植物和亚种中收集的,包括被子植物和裸子植物。在每个站点采样的植物物种总数与成年丰度之间存在正相关关系,因此对更多数量的植物物种进行采样会增加采集的成年植物的数量。在八个位置中的五个位置,植物大小与丰度之间存在正相关关系,因此成年个体更可能聚集在较大的植物上。成年人在植物上的总体性别比为1:1。在沿Mt Weld的海拔断面建立的陷阱陷阱中,收集到大量成年人。海拔≤1000m的Apteropanorpa warra和海拔1100–1300 m的塔斯马尼亚高山种。威尔德山(Mt Weld)陷阱陷阱中的A. warra总丰度较低;但是,在2001年3月和4月,陷井陷阱的雌性塔斯马尼卡数量很大,并且随着高度从1100-1300 m呈线性增加。雄性塔斯马尼卡的数量也很大,从1100年到1200年明显增加。 m在三月和四月。数据有力地表明,Apteropanorpidae的成虫丰度在秋季达到高峰,其他澳大利亚Mecoptera亦是如此。
更新日期:2019-12-27
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