贝加尔湖附近东方水蝠（Myotis petax (Hollister, 1812)）觅食饮食模式的初步发现（使用共显微镜数据

Pub Date : 2024-07-27 DOI:10.1134/s1995425524700367

A. D. Botvinkin, A. A. Klopova, I. V. Mekhanikova, E. V. Romanova, V. G. Shilenkov, D. M. Rudakov, V. P. Samusyonok

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摘要

摘要根据对蝠科动物（Myotis petax）粪便（n = 22）的显微镜研究，评估了蝙蝠（Chiroptera）与贝加尔湖生物群之间的营养关系。82%到86%的样本中含有蝶形纲（毛翅目）和双翅目（双翅目）蝇类的外骨骼碎片。这些类群主要包括水生和半水生物种。这些类群中有许多物种是贝加尔湖的特有物种。陆生昆虫在研究样本中发现的较少（膜翅目占 41%，神经翅目占 27%，杂翅目占 9%）。形态学分析显示，Pretax M.的两个粪便样本中含有贝加尔片脚类动物的碎片。进一步的分子研究将有可能在贝加尔湖附近觅食的蝙蝠粪便样本中发现更多的无脊椎动物分类群。

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First Findings on the Dietary Pattern of the Eastern Water Bat Myotis petax (Hollister, 1812) Feeding near Lake Baikal (Using Coproscopy Data)

Abstract

The trophic relationships between bats (Chiroptera) and Lake Baikal biota have been assessed based on microscopic studies of Myotis petax feces (n = 22). From 82 to 86% of samples had fragments of exoskeletons of caddis flies (Trichoptera) and dipterans (Diptera). These taxa include mainly aquatic and semiaquatic species. Many species from these taxa are endemic to Lake Baikal. Terrestrial insects are found in studied samples less frequently (Hymenoptera 41%, Neuroptera 27%, and Heteroptera 9%). Morphological analysis has revealed fragments of Baikal amphipods in two fecal samples of M. pretax. Further molecular studies will make it possible to detect greater invertebrate taxa diversity in fecal samples of bats feeding near Lake Baikal.

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