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- W102515388 abstract "A Parectopa robiniella 1983., a Phyllonorycter robiniella 1996. ota van jelen a magyar faunaban. Mindket faj gyorsan terjedt el az orszagban, sokhelyutt mar karokat is okoznak. Az utobbi 10 ev atlagaban a Parectopa kartetelet 3813, a Phyllonorycter-et 837 ha-rol jelentettek Ellentetben a korabbi varakozasokkal, nem igazolhato az aknazott levelek korai lehullasa. A Parectopa ket-, a Phyllonorycter haromnemzedekes. A Parectopa aknai 2-3 hettel kesőbb, kb. junius kozepen jelennek meg. A Parectopa hernyo maganyosan fejlődik, a Phyllonorycter aknaban akar 8 larva is talalhato. A kifejlett Parectopa larva az avarban, a Phyllonorycter larvak az aknaban babozodnak. A Phyllonorycter imagokent es babkent, a Parectopa babkent telel. A hazai aknazok parazitoidjai elfogadtak a ket uj fajt. Phyllonorycter-ből 19, Parectopa-bol 12 parazitoid fajt neveltunk. A dominans fajok teruletenkent es evenkent kulonbozőek, de a Pholetesor nanus es az Achysocharoides cilla fajok a legjelentősebbek. A legmagasabb parazitaltsag Phyllonorycter-nel 47,6 %, a Parectopa-nal 15,3 % volt, azaz a parazitoidok jelentős szerepet jatszanak a szabalyzasaban. A Phyllonorycter parazitaltsaga mindig magasabb volt, mint a Parectopa-e. Ennek okai az elterő eletmod (nemzedekszam, babozodas helye, stb.), illetve az, hogy amig Magyarorszagon 60-nal tobb Phyllonorycter faj ismert, addig Parectopa (beleertve a P. robiniella-t) csak 2. Ezert a parazitoidok lassabban kepesek elfogadni a Parectopa-t, mint a Phyllonorycter-t. | Parectopa robiniella was first found in Hungary in 1983, Phyllonorycter robiniella in 1996. Both spread through the country very fast, becoming abundant at many places. As average of the last 10 years, damage of Parectopa is reported from 3,813, Phyllonorycter from 4,837 ha. We could not prove the early fall of the mined leaves. Parectopa has 2, Phyllonorycter has 3 generations/year. First mines of Parectopa appear 2-3 weeks later than Phyllonorycter mines. Parectopa larvae develop singly, up to 8 larvae of Phyllonorycter can live in 1 mine. Matured Parectopa larvae pupate in the litter, Phyllonorycter larvae within the mine. Phyllonorycter overwinters as adult or pupa, Parectopa as pupa. The native parasitoids accepted the two new hosts. 19 species of parasitoids from Phyllonorycter and 12 from Parectopa were recorded. The dominant species were different in different years/places, but Pholetesor nanus and Achysocharoides cilla were the most important. The highest of parasitism was 47.6% for Phyllonorycter and 15.3% for Parectopa. So parasitoids play significant role in regulation of populations. The rates for Phyllonorycter were always higher than for Parcetopa. Possibly because of the different life history (number of generations, place of pupation, etc.) and also because while more than 60 Phyllonorycter present in Hungary, only 2 Parectopa (incl. P. robiniella). Therefore the parasitoids are probably able to accept and use Phyllonorycter more efficiently than Parectopa." @default.
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- W102515388 date "2009-01-01" @default.
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- W102515388 title "Két invázív akác-aknázómoly (Parectopa robiniella és Phyllonorycter robiniella) jelentőségének, életmódjának és természetes ellenségeinek vizsgálata = Importance, life history and natural enemies of two invading leaf miners (Parectopa robiniella and Phyllonorycter robiniella) of black locust" @default.
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