日本応用動物昆虫学会誌
Online ISSN : 1347-6068
Print ISSN : 0021-4914
ISSN-L : 0021-4914
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60 巻, 1 号
選択された号の論文の15件中1～15を表示しています
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総説　―シリーズ：地域の害虫研究最前線―
原著
  • 日本および周辺諸国におけるハスモンヨトウ（チョウ目：ヤガ科）の地域的遺伝子差異の解明
    西本 直子, 畠山 吉則, 渡邉 真衣, 髙橋 萌会, 三宅 祥平, 山本 裕一, 志賀野 倫明, 大林 隆司, 岩野 秀俊
    原稿種別: 原著
    2016 年 60 巻 1 号 p. 23-31
    発行日: 2016/02/25
    公開日: 2016/04/25
    DOIhttps://doi.org/10.1303/jjaez.2016.23
    ジャーナル フリー
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    The common cutworm, Spodoptera litura (Fabricius) has a low tolerance to cold; nevertheless, it migrates to Japan from warmer surroundings every year. To clarify the genetic diversity among divergent areas in Asia, phylogenetic relationships were examined by cytochrome oxidase I (COI) sequencing and genome profiling of extracted DNA from S. litura isolated from four Asian countries and eight domestic areas in Japan. Our results clearly showed genomic differences among individuals isolated from Southeast Asia, especially Thailand and Indonesia, compared with those from the domestic areas in Japan, suggesting that this species has formed indigenous populations among these areas. Moreover, evidence indicates that S. litura does not migrate to Japan directly from areas in Southeast Asia because many samples collected throughout Japan were the same strain, which indicated that the S. litura moths migrated from the Ogasawara islands. The individuals collected from China, Taiwan, and Okinawa shared the same cluster. These results certainly indicate that the adult moths of S. litura indigenous to Southern China and Taiwan migrate to Japan via Okinawa.
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  • 北方針広混交林における択伐後の小面積樹冠下地はぎがオサムシ類（コウチュウ目：オサムシ科）に及ぼす影響
    山中 聡, 佐山 勝彦, 倉本 惠生, 飯田 滋生, 山浦 悠一, 尾崎 研一
    原稿種別: 原著
    2016 年 60 巻 1 号 p. 33-41
    発行日: 2016/02/25
    公開日: 2016/04/25
    DOIhttps://doi.org/10.1303/jjaez.2016.33
    ジャーナル フリー
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    Small-scale soil scarification under canopies has been proposed to remove regeneration inhibitor plants that often dominate the understory in natural forests after selection logging. We studied the impacts of the small-scale soil scarification on carabid beetle assemblages in conifer–hardwood mixed forests in northern Japan. We sampled carabid beetles using pitfall traps in scarified sites and adjacent unscarified sites two and four years after scarification. Forest species made up 98% of the total catch with only a few individuals of non-forest species occurring in scarified sites. Species richness of forest species did not differ significantly between scarified and unscarified sites, whereas species richness of non-forest species was higher in scarified sites than in unscarified sites. Carabid species composition differed between scarified and unscarified sites in each of the two study years. Dissimilarity measures between scarified and adjacent unscarified sites were smaller after four years than after two years, indicating that differences in species composition associated with scarification declined during the study period. Some forest species were more abundant in scarified sites, whereas other forest species were more abundant in unscarified sites. Our results suggest that small-scale scarification may have a limited impact on carabid beetle diversity.
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