[{"data":1,"prerenderedAt":311},["ShallowReactive",2],{"article-niigata-gaichu":3,"related-niigata-gaichu":301},{"_path":4,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":8,"description":9,"publishedAt":10,"updatedAt":11,"tags":12,"creatureType":17,"category":18,"faq":19,"body":29,"_type":295,"_id":296,"_source":297,"_file":298,"_stem":299,"_extension":300},"\u002Farticles\u002Fniigata-gaichu","articles",false,"","コシヒカリの越後平野にジャンボタニシが来た──新潟の稲作地帯と外来種","新潟県はコシヒカリで有名な越後平野の稲作地帯ですが、ジャンボタニシの定着が進んでいます。米の貯蔵施設へのネズミ侵入と、新潟市・長岡市のゴキブリ問題もあわせてまとめています。","2026-03-10","2026-03-18",[13,14,15,16],"新潟県","ゴキブリ","ネズミ","ジャンボタニシ",1,"地域・自治体",[20,23,26],{"q":21,"a":22},"新潟でゴキブリが出やすいエリアはどこですか？","新潟市・長岡市・上越市などの都市部では飲食店や集合住宅を中心にゴキブリの相談が年間を通じて寄せられています。新潟は冬は寒冷なため屋外でのゴキブリは少ないですが、暖房の整った建物内では通年で生息できます。夏場（7〜9月）は活動が最も活発になります。",{"q":24,"a":25},"ジャンボタニシを見かけたとき、どこに相談すればよいですか？","市町村の農政担当課または新潟県農業総合研究所に連絡してください。特定外来生物に指定されているため、持ち出しや飼育は禁止されています。",{"q":27,"a":28},"新潟でゴキブリは多いですか？","新潟は北陸・日本海側に位置し冬は寒冷なため屋外でのゴキブリは少ないですが、暖房の整った建物内では一年中生息できます。特に飲食店や集合住宅では定期的な対策が大切です。",{"type":30,"children":31,"toc":287},"root",[32,40,45,52,57,62,67,113,119,124,129,135,140,145,150,230,235,247,268,273,278,282],{"type":33,"tag":34,"props":35,"children":36},"element","p",{},[37],{"type":38,"value":39},"text","この記事の情報は2026年3月時点のものです。",{"type":33,"tag":34,"props":41,"children":42},{},[43],{"type":38,"value":44},"「コシヒカリ」という名前は、新潟の米作りの誇りを象徴しています。その越後平野に、近年ジャンボタニシが侵入しています。温暖化の影響で生息域が北上するジャンボタニシが灌漑用水路を通じて水田に入り込み、田植え直後の柔らかい苗を食い荒らす被害が報告されています。米どころ新潟にとって、ジャンボタニシの定着は農業の未来にも関わる問題です。",{"type":33,"tag":46,"props":47,"children":49},"h2",{"id":48},"越後平野のジャンボタニシ定着灌漑水路を通じた拡大",[50],{"type":38,"value":51},"越後平野のジャンボタニシ定着──灌漑水路を通じた拡大",{"type":33,"tag":34,"props":53,"children":54},{},[55],{"type":38,"value":56},"ジャンボタニシ（スクミリンゴガイ）は南米原産の特定外来生物で、水田の苗を食べる食害が深刻です。新潟県では越後平野の灌漑用水路を通じて生息域が広がっており、田植え直後の柔らかい苗が特に被害を受けやすい傾向があります。",{"type":33,"tag":34,"props":58,"children":59},{},[60],{"type":38,"value":61},"新潟県の稲作農家にとって、田植え期の苗の管理は年間で最も大切な時期です。ジャンボタニシによる被害はわずか数日で大きな損失につながることがあるため、早期発見と日頃の水管理が重要です。",{"type":33,"tag":34,"props":63,"children":64},{},[65],{"type":38,"value":66},"対策のポイントです。",{"type":33,"tag":68,"props":69,"children":70},"ul",{},[71,83,93,103],{"type":33,"tag":72,"props":73,"children":74},"li",{},[75,81],{"type":33,"tag":76,"props":77,"children":78},"strong",{},[79],{"type":38,"value":80},"浅水管理を徹底する",{"type":38,"value":82}," ── 田植え後2〜3週間は水深を3cm程度に保ちましょう",{"type":33,"tag":72,"props":84,"children":85},{},[86,91],{"type":33,"tag":76,"props":87,"children":88},{},[89],{"type":38,"value":90},"水口・水尻にネットを設置する",{"type":38,"value":92}," ── 用水路からの侵入・流出を防げます",{"type":33,"tag":72,"props":94,"children":95},{},[96,101],{"type":33,"tag":76,"props":97,"children":98},{},[99],{"type":38,"value":100},"ピンク色の卵塊を見つけたら除去する",{"type":38,"value":102}," ── 手袋をして取り除き、水に落とさずに処分します",{"type":33,"tag":72,"props":104,"children":105},{},[106,111],{"type":33,"tag":76,"props":107,"children":108},{},[109],{"type":38,"value":110},"貝・卵塊の発見状況を市町村に報告する",{"type":38,"value":112}," ── 防除計画の策定に役立ちます",{"type":33,"tag":46,"props":114,"children":116},{"id":115},"ネズミコシヒカリを狙う農業施設侵入",[117],{"type":38,"value":118},"ネズミ──コシヒカリを狙う農業施設侵入",{"type":33,"tag":34,"props":120,"children":121},{},[122],{"type":38,"value":123},"コシヒカリをはじめとするブランド米を保管するカントリーエレベーターや農業倉庫は、暖かく食べ物が豊富なネズミにとって格好の環境です。ドブネズミ・クマネズミ・ハツカネズミのいずれも確認されており、米袋を食い破って汚染したり配線を噛み切ったりすることがあります。",{"type":33,"tag":34,"props":125,"children":126},{},[127],{"type":38,"value":128},"秋から冬にかけてネズミは暖かい場所を求めて建物内に入りやすくなります。収穫前の10月に施設を一度点検しておくのがおすすめです。",{"type":33,"tag":46,"props":130,"children":132},{"id":131},"ゴキブリ新潟市長岡市の都市部での発生傾向",[133],{"type":38,"value":134},"ゴキブリ──新潟市・長岡市の都市部での発生傾向",{"type":33,"tag":34,"props":136,"children":137},{},[138],{"type":38,"value":139},"新潟市・長岡市・上越市などの都市部では、飲食店や集合住宅を中心にゴキブリの相談が年間を通じて寄せられています。新潟は日本海側の気候で冬は寒冷なため屋外でのゴキブリは少ないですが、暖房の整った建物内では通年で生息できます。",{"type":33,"tag":34,"props":141,"children":142},{},[143],{"type":38,"value":144},"夏場（7〜9月）は活動が最も活発になります。キッチン周りを清潔に保ち、毒餌（ベイト剤）を定期的に設置するだけでもかなり抑制できます。",{"type":33,"tag":46,"props":146,"children":148},{"id":147},"相談窓口",[149],{"type":38,"value":147},{"type":33,"tag":151,"props":152,"children":153},"table",{},[154,173],{"type":33,"tag":155,"props":156,"children":157},"thead",{},[158],{"type":33,"tag":159,"props":160,"children":161},"tr",{},[162,168],{"type":33,"tag":163,"props":164,"children":165},"th",{},[166],{"type":38,"value":167},"問い合わせ先",{"type":33,"tag":163,"props":169,"children":170},{},[171],{"type":38,"value":172},"主な担当内容",{"type":33,"tag":174,"props":175,"children":176},"tbody",{},[177,191,204,217],{"type":33,"tag":159,"props":178,"children":179},{},[180,186],{"type":33,"tag":181,"props":182,"children":183},"td",{},[184],{"type":38,"value":185},"新潟県 農業総合研究所",{"type":33,"tag":181,"props":187,"children":188},{},[189],{"type":38,"value":190},"ジャンボタニシ・農業病害虫の相談",{"type":33,"tag":159,"props":192,"children":193},{},[194,199],{"type":33,"tag":181,"props":195,"children":196},{},[197],{"type":38,"value":198},"新潟県 農林水産部 農業経営課",{"type":33,"tag":181,"props":200,"children":201},{},[202],{"type":38,"value":203},"農業被害全般",{"type":33,"tag":159,"props":205,"children":206},{},[207,212],{"type":33,"tag":181,"props":208,"children":209},{},[210],{"type":38,"value":211},"新潟市 保健所",{"type":33,"tag":181,"props":213,"children":214},{},[215],{"type":38,"value":216},"ネズミ・ゴキブリ等の衛生害虫相談",{"type":33,"tag":159,"props":218,"children":219},{},[220,225],{"type":33,"tag":181,"props":221,"children":222},{},[223],{"type":38,"value":224},"各市町村 農政担当課",{"type":33,"tag":181,"props":226,"children":227},{},[228],{"type":38,"value":229},"ジャンボタニシ防除・農業施設の害獣対策",{"type":33,"tag":34,"props":231,"children":232},{},[233],{"type":38,"value":234},"部署名・担当課は自治体の組織改編により変更されることがあります。「〇〇市 ゴキブリ 相談」などで検索して最新の窓口をご確認ください。",{"type":33,"tag":34,"props":236,"children":237},{},[238,245],{"type":33,"tag":239,"props":240,"children":242},"a",{"href":241},"\u002Fdiagnosis",[243],{"type":38,"value":244},"引越し先の害虫リスク診断",{"type":38,"value":246},"で、都道府県別のリスクを比較することもできます。",{"type":33,"tag":34,"props":248,"children":249},{},[250,252,258,260,266],{"type":38,"value":251},"隣接する県の状況が気になる方は、",{"type":33,"tag":239,"props":253,"children":255},{"href":254},"\u002Farticles\u002Ftoyama-gaichu",[256],{"type":38,"value":257},"富山県のゴキブリ・ジャンボタニシ傾向",{"type":38,"value":259},"や",{"type":33,"tag":239,"props":261,"children":263},{"href":262},"\u002Farticles\u002Fnagano-gaichu",[264],{"type":38,"value":265},"長野県のゴキブリ・ニホンザル傾向",{"type":38,"value":267},"もあわせてご覧ください。",{"type":33,"tag":46,"props":269,"children":271},{"id":270},"新潟県のマップ目撃データでわかること",[272],{"type":38,"value":270},{"type":33,"tag":34,"props":274,"children":275},{},[276],{"type":38,"value":277},"このサービスには新潟県内から寄せられた目撃情報が蓄積されています。越後平野の農地エリアでのジャンボタニシ報告と、新潟市・長岡市の市街地でのゴキブリ投稿を地図で確認してみてください。",{"type":33,"tag":279,"props":280,"children":281},"hr",{},[],{"type":33,"tag":34,"props":283,"children":284},{},[285],{"type":38,"value":286},"本記事の自治体情報は執筆時点のものです。最新情報は各自治体サイトをご確認ください。",{"title":7,"searchDepth":288,"depth":288,"links":289},2,[290,291,292,293,294],{"id":48,"depth":288,"text":51},{"id":115,"depth":288,"text":118},{"id":131,"depth":288,"text":134},{"id":147,"depth":288,"text":147},{"id":270,"depth":288,"text":270},"markdown","content:articles:niigata-gaichu.md","content","articles\u002Fniigata-gaichu.md","articles\u002Fniigata-gaichu","md",[302,305,308],{"_path":303,"title":304},"\u002Farticles\u002Fgokiburi-sukunai-chiiki","ゴキブリが少ない地域の特徴 ── 引越し先を選ぶときの参考に",{"_path":306,"title":307},"\u002Farticles\u002Fgokiburi-fun","ゴキブリのフンの見分け方 ── 大きさ・形・病気リスクと掃除方法",{"_path":309,"title":310},"\u002Farticles\u002Fgokiburi-shinnyukeiro","ゴキブリの侵入経路を塞ぐ方法 ── 場所別チェックリスト",1777295250298]