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首页> 外文期刊>Journal of Negative Results: Ecology Evolutionary Biology >Backyard biodiversity: Unraveling life histories of the new fly species discovered by the BioSCAN Project proves harder than first assumed
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Backyard biodiversity: Unraveling life histories of the new fly species discovered by the BioSCAN Project proves harder than first assumed

机译：后院生物多样性：揭开BioSCAN项目发现的新蝇种的生活史比最初设想的要难

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In 2014, an urban biodiversity study sampling primarily from private backyards in Los Angeles, California (USA) collected 43 species of Megaselia (Diptera Phoridae) previously unknown to science. These species have now been described, but their life histories are completely unknown. This study used traditional rearing techniques in an attempt to reveal the food resources needed for larval development and to shed light on the ecological roles of these new species. Despite dozens of attempts at attracting and rearing the newly-described flies with various substrates, however, our work failed to fully uncover any of the 43 life histories. Examination of collection data from preserved phorid flies in the extensive collection of the Natural History Museum of Los Angeles County offered few clues, none of which we were able to replicate in our work. Three of the new species were collected from a soil emergence trap, but this offers only partial data for their life histories. Our inability to attract these flies to a variety of decomposing materials, the supposed generalized larval food of phorid flies, points to the exciting potential for previously unrecorded, diverse, and specialized life histories.
机译：2014年，一项城市生物多样性研究主要从美国加利福尼亚州洛杉矶的私家后院取样，收集了43种以前从未为科学所知的大叶菊（Diegera Phoridae）。现在已经对这些物种进行了描述，但是它们的生活史是完全未知的。这项研究使用传统的饲养技术来试图揭示幼体发育所需的食物资源，并阐明这些新物种的生态作用。尽管进行了许多尝试以各种基材吸引和饲养新描述的果蝇，但我们的工作未能完全揭示43种生命史中的任何一种。在洛杉矶县自然历史博物馆的大量藏品中对保存的类蝇蝇的收集数据进行了检查，提供的线索很少，我们无法在工作中复制这些线索。其中的三个新物种是从土壤出苗陷阱中收集的，但这仅提供了其生活史的部分数据。我们无法将这些果蝇吸引到各种可分解的物质上，即所谓的一般的类蝇幼虫食物，这表明了以前未记录的，多样的和专门的生活史令人兴奋的潜力。

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