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Abstract <p>For the first time, information is provided on the finds of three alien species of weevils (<i>Magdalis margaritae</i>, <i>Orchestes steppensis</i>, and <i>Otiorhynchus smreczynskii</i>) in settlements of the Southwest of Western Siberia, which significantly supplements the data on their secondary ranges. The European parthenogenetic species <i>O. smreczynskii</i>, previously found in some large cities of Southern Siberia, is recorded for the first time for the Kurgan and Tyumen regions. <i>M. margaritae</i> and <i>O. steppensis</i> are species of East Palaearctic origin related to <i>Ulmus pumilla</i> L., recorded in Kurgan. Of these, <i>O. steppensis</i>, which has an extensive secondary range in the South of the European part of Russia, was known in Western Siberia only in the Trans-Urals of the Chelyabinsk Region. <i>M. margaritae</i>, not yet found in Europe, was discovered more than 1300 km west of its previously known locations.</p>

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New Records of Alien Weevils (Coleoptera, Curculionidae) in Western Siberia

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • S. V. Dedyukhin

摘要

Abstract

For the first time, information is provided on the finds of three alien species of weevils (Magdalis margaritae, Orchestes steppensis, and Otiorhynchus smreczynskii) in settlements of the Southwest of Western Siberia, which significantly supplements the data on their secondary ranges. The European parthenogenetic species O. smreczynskii, previously found in some large cities of Southern Siberia, is recorded for the first time for the Kurgan and Tyumen regions. M. margaritae and O. steppensis are species of East Palaearctic origin related to Ulmus pumilla L., recorded in Kurgan. Of these, O. steppensis, which has an extensive secondary range in the South of the European part of Russia, was known in Western Siberia only in the Trans-Urals of the Chelyabinsk Region. M. margaritae, not yet found in Europe, was discovered more than 1300 km west of its previously known locations.