{"id":4538,"date":"2026-07-13T17:59:00","date_gmt":"2026-07-13T15:59:00","guid":{"rendered":"https:\/\/ujvilagtrend.hu\/?p=4538"},"modified":"2026-07-13T12:36:25","modified_gmt":"2026-07-13T10:36:25","slug":"ket-falank-azsiai-ragadozo-tort-be-europaba","status":"publish","type":"post","link":"https:\/\/ujvilagtrend.hu\/?p=4538","title":{"rendered":"K\u00e9t fal\u00e1nk \u00e1zsiai ragadoz\u00f3 t\u00f6rt be Eur\u00f3p\u00e1ba"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">K\u00e9t \u00c1zsi\u00e1b\u00f3l sz\u00e1rmaz\u00f3 im\u00e1dkoz\u00f3s\u00e1ska-faj gyors terjed\u00e9se miatt agg\u00f3dnak az eur\u00f3pai kutat\u00f3k. A <strong>Hierodula tenuidentata<\/strong> \u00e9s a <strong>Hierodula patellifera<\/strong> nev\u0171 fajokat egy, a <em><a href=\"https:\/\/www.eurekalert.org\/news-releases\/1116925\" title=\"\">Journal of Orthoptera Research<\/a><\/em> szakfoly\u00f3iratban megjelent tanulm\u00e1ny az invaz\u00edv idegen fajok k\u00f6z\u00e9 sorolta, mivel terjeszked\u00e9s\u00fck m\u00e1r az eur\u00f3pai \u00e9l\u0151vil\u00e1gra is \u00e9rz\u00e9kelhet\u0151 hat\u00e1st gyakorol.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u00c9szak fel\u00e9 terjeszkednek<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A rovarok eredetileg \u00c1zsia melegebb vid\u00e9kein honosak, Eur\u00f3p\u00e1ban azonban az elm\u00falt \u00e9vtizedben gyorsan n\u00f6vekedett az \u00e1llom\u00e1nyuk. A kutat\u00f3k szerint <strong>a kl\u00edmav\u00e1ltoz\u00e1s, a nemzetk\u00f6zi kereskedelem, a v\u00e1rosi k\u00f6rnyezet \u00e9s az emberi tev\u00e9kenys\u00e9g egyar\u00e1nt seg\u00edti terjed\u00e9s\u00fcket<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kutat\u00e1st vezet\u0151 Roberto Battiston, az olaszorsz\u00e1gi G. Zannato R\u00e9g\u00e9szeti \u00e9s Term\u00e9szettudom\u00e1nyi M\u00fazeum munkat\u00e1rsa szerint az \u00e1zsiai \u00f3ri\u00e1s im\u00e1dkoz\u00f3s\u00e1sk\u00e1k egyre \u00e9szakabbra jutnak, \u00e9s ma m\u00e1r rendszeresen jelentik \u0151ket parkokb\u00f3l, kertekb\u0151l \u00e9s m\u00e1s v\u00e1rosi z\u00f6ldter\u00fcletekr\u0151l is.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>Hierodula tenuidentata Magyarorsz\u00e1gon is megtelepedett<\/strong>: egy kor\u00e1bbi, a <em>Bonn Zoological Bulletinben<\/em> megjelent kutat\u00e1s 42 magyarorsz\u00e1gi helysz\u00ednr\u0151l \u00f6sszesen 103 megfigyel\u00e9st dolgozott fel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Egyetlen petetokb\u00f3l k\u00e9tsz\u00e1z ut\u00f3d kelhet ki<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A k\u00e9t invaz\u00edv faj siker\u00e9nek egyik oka rendk\u00edv\u00fcli alkalmazkod\u00f3k\u00e9pess\u00e9g\u00fck \u00e9s gyors szaporod\u00e1suk. <strong>Egyetlen petetokjukb\u00f3l \u00e1tlagosan mintegy 200 ut\u00f3d kelhet ki<\/strong>, csaknem k\u00e9tszer annyi, mint az Eur\u00f3p\u00e1ban \u0151shonos k\u00f6z\u00f6ns\u00e9ges im\u00e1dkoz\u00f3s\u00e1ska eset\u00e9ben. A fiatal egyedek k\u00f6z\u00f6tt r\u00e1ad\u00e1sul ritk\u00e1bb a kannibalizmus, \u00edgy nagyobb ar\u00e1nyban \u00e9rik el a kifejlett \u00e1llapotot.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A probl\u00e9m\u00e1t nemcsak gyors \u00e1llom\u00e1nyn\u00f6veked\u00e9s\u00fck jelenti. Ezek a nagy test\u0171 ragadoz\u00f3k fontos beporz\u00f3kat, k\u00f6zt\u00fck m\u00e9heket is zs\u00e1km\u00e1nyolnak, de <strong>kisebb gerinceseket, p\u00e9ld\u00e1ul levelib\u00e9k\u00e1kat \u00e9s gy\u00edkokat is k\u00e9pesek elfogyasztani<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A n\u0151st\u00e9nyek az \u0151shonos im\u00e1dkoz\u00f3s\u00e1sk\u00e1k h\u00edmjeit is magukhoz vonzhatj\u00e1k. A sikertelen p\u00e1rz\u00e1si k\u00eds\u00e9rlet gyakran azzal v\u00e9gz\u0151dik, hogy az idegen faj n\u0151st\u00e9nye elfogyasztja a h\u00edmet, ami tov\u00e1bb gyeng\u00edtheti a helyi popul\u00e1ci\u00f3kat.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A v\u00e1rosokban k\u00fcl\u00f6n\u00f6sen j\u00f3l \u00e9rzik magukat<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A parkok, kertek \u00e9s mesters\u00e9ges rovarhotelek megfelel\u0151 b\u00fav\u00f3helyet \u00e9s gazdag vad\u00e1szter\u00fcletet biztos\u00edtanak sz\u00e1mukra. <strong>A v\u00e1rosi h\u0151szigetek miatt a hidegebb h\u00f3napokban is tov\u00e1bb akt\u00edvak maradhatnak<\/strong>, \u00edgy olyan ter\u00fcleteken is megtelepedhetnek, ahol kor\u00e1bban az \u00e9ghajlat korl\u00e1tozta volna terjed\u00e9s\u00fcket.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kutat\u00e1s egyik meglep\u0151 eredm\u00e9nye szerint a h\u00e1zimacska a k\u00e9t faj leggyakrabban megfigyelt gerinces ragadoz\u00f3ja: <strong>a dokument\u00e1lt gerinces zs\u00e1km\u00e1nyol\u00e1si esetek 45 sz\u00e1zal\u00e9k\u00e1\u00e9rt macsk\u00e1k feleltek<\/strong>. Ez azonban nem jelent val\u00f3di megold\u00e1st, mivel a szabadon k\u00f3borl\u00f3 macsk\u00e1k az \u0151shonos im\u00e1dkoz\u00f3s\u00e1sk\u00e1kat \u00e9s m\u00e1s \u00e1llatokat is puszt\u00edtj\u00e1k.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A lakoss\u00e1g seg\u00edts\u00e9g\u00e9t k\u00e9rik<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Egy civil tudom\u00e1nyos program m\u00e1r t\u00f6bb mint <strong>2300 lakoss\u00e1gi \u00e9szlel\u00e9st<\/strong> gy\u0171jt\u00f6tt \u00f6ssze. A kutat\u00f3k szerint ezek a bejelent\u00e9sek kulcsszerepet j\u00e1tszhatnak a fajok terjed\u00e9s\u00e9nek k\u00f6vet\u00e9s\u00e9ben \u00e9s a vesz\u00e9lyeztetett ter\u00fcletek azonos\u00edt\u00e1s\u00e1ban.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e9len a barna, szivacsos, \u00e1ltal\u00e1ban k\u00e9t-h\u00e1rom centim\u00e9teres petetokok k\u00f6nnyebben \u00e9szrevehet\u0151k a csupasz \u00e1gakon. A szakemberek ugyanakkor arra k\u00e9rnek mindenkit, hogy <strong>elt\u00e1vol\u00edt\u00e1suk el\u0151tt k\u00e9rje hozz\u00e1\u00e9rt\u0151 seg\u00edts\u00e9g\u00e9t<\/strong>, mivel az invaz\u00edv \u00e9s az \u0151shonos fajok petetokjai k\u00f6nnyen \u00f6sszet\u00e9veszthet\u0151k.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>K\u00e9t \u00c1zsi\u00e1b\u00f3l sz\u00e1rmaz\u00f3 im\u00e1dkoz\u00f3s\u00e1ska-faj gyors terjed\u00e9se miatt agg\u00f3dnak az eur\u00f3pai kutat\u00f3k. A Hierodula tenuidentata \u00e9s a Hierodula patellifera nev\u0171 fajokat egy, a Journal of Orthoptera Research szakfoly\u00f3iratban megjelent tanulm\u00e1ny az invaz\u00edv idegen fajok k\u00f6z\u00e9 sorolta, mivel terjeszked\u00e9s\u00fck m\u00e1r az eur\u00f3pai \u00e9l\u0151vil\u00e1gra is \u00e9rz\u00e9kelhet\u0151 hat\u00e1st gyakorol. \u00c9szak fel\u00e9 terjeszkednek A rovarok eredetileg \u00c1zsia melegebb vid\u00e9kein honosak, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4544,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":{"format":"standard"},"jnews_primary_category":[],"jnews_override_bookmark_settings":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":""},"categories":[4560],"tags":[5397,262,5807,5806,5805,4996,259,451,615],"class_list":["post-4538","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-techtud","tag-biodiverzitas","tag-europa","tag-hierodula-patellifera","tag-hierodula-tenuidentata","tag-imadkozosaska","tag-invaziv-fajok","tag-klimavaltozas","tag-magyarorszag","tag-termeszetvedelem"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/posts\/4538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4538"}],"version-history":[{"count":1,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/posts\/4538\/revisions"}],"predecessor-version":[{"id":4545,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/posts\/4538\/revisions\/4545"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=\/wp\/v2\/media\/4544"}],"wp:attachment":[{"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ujvilagtrend.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}