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Pregled bibliografske jedinice broj: 653995

Biology and natural enemies of spotted ash looper, Abraxas pantaria (Lepidoptera, Geometridae) in Krka National Park


Pernek, Milan; Lacković, Nikola; Dinka, Matošević
Biology and natural enemies of spotted ash looper, Abraxas pantaria (Lepidoptera, Geometridae) in Krka National Park // Periodicum biologorum, 115 (2013), 3; 371-377 (međunarodna recenzija, članak, znanstveni)


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Naslov
Biology and natural enemies of spotted ash looper, Abraxas pantaria (Lepidoptera, Geometridae) in Krka National Park

Autori
Pernek, Milan ; Lacković, Nikola ; Dinka, Matošević

Izvornik
Periodicum biologorum (0031-5362) 115 (2013), 3; 371-377

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
spotted ash looper; Abraxas pantaria; Fraxinus spp.

Sažetak
Background and Purpose: Spotted ash looper (Abraxas pantaria) is a forest present in Krka National Park, Croatia with occasional mass occurrence. The caterpillars of this pest have completely defoliated leaves of Narrow- leafed ash (Fraxinus angustifolia) in the upper flow of river Krka in the period from 2008–2010. We have researched the biology of spotted ash looper which is first comprehensive study of this pest in Croatia. Materials and Methods: The research of spotted ash looper included field trials through all the years and laboratory experiments. Caterpillars were reared and daily weighted in laboratory. Fresh and dry Narrow-leafed ash leaves have beenweighted and factor of drymatter in leaves defined. For each individual sex, moment of onset of particular larval instar, prepupa, pupa and butterfly was noted in order to identify the duration of each stage and possible differences. Duration of larval stages and consummation of food were analysed separately by gender. A total of 200 pupae of spotted ash looperwere transferred to the laboratory for the identification of natural enemies. Each pupa was placed in a separate glass tube and incubated in laboratory. Results and Conclusions: Our results show biology of this pest in Croatia. Caterpillars feed on Narrow-leafed ash and have not been found on Manna ash (Fraxinus ornus). They have moulted only 3 times and pass through 4 larval instars in laboratory conditions. Average caterpillars of 4th larval instar gained their maximum growth on the 4th day from the beginning of that stage andmaximumweight on the 8th day, three days before entering the prepupal stage. The difference betweenmales and females starts to develop during the 4th larval instar when females consume significantly more food, gain significantly more weight and form significantly heavier pupae. The average 4th larval instar consumes between 0.3329 and 0.3673 g of fresh leaf. Research shows that number of pupae diapauses during the winter, while some of themhave no diapause. This indicates that the pest has at least two generations a year, which was also shown by observations in the field. Pathogen fungus Beauveria bassiana, parasitoids Pales pavida, Cratichneumon cf. fabricator F. and unidentified species from the genus Coelichneumon were natural enemies found in pupae. Beauveria bassiana as a pupal pathogen plays an important role as the most important natural enemy and the existence of its alternative host, ash weevil (Stereonychus fraxini)which occupies the same overwintering niche is also important.

Izvorni jezik
Engleski

Znanstvena područja
Šumarstvo



POVEZANOST RADA


Projekti:
024-0681966-2100 - Kukci i gljive - bioindikatori zdravstvenog stanja poplavnih šuma Hrvatske (Pernek, Milan, MZOS ) ( CroRIS)

Ustanove:
Hrvatski šumarski institut, Jastrebarsko

Profili:

Avatar Url Dinka Matošević (autor)

Avatar Url Milan Pernek (autor)

Avatar Url NIKOLA LACKOVIĆ (autor)


Citiraj ovu publikaciju:

Pernek, Milan; Lacković, Nikola; Dinka, Matošević
Biology and natural enemies of spotted ash looper, Abraxas pantaria (Lepidoptera, Geometridae) in Krka National Park // Periodicum biologorum, 115 (2013), 3; 371-377 (međunarodna recenzija, članak, znanstveni)
Pernek, M., Lacković, N. & Dinka, M. (2013) Biology and natural enemies of spotted ash looper, Abraxas pantaria (Lepidoptera, Geometridae) in Krka National Park. Periodicum biologorum, 115 (3), 371-377.
@article{article, author = {Pernek, Milan and Lackovi\'{c}, Nikola and Dinka, Mato\v{s}evi\'{c}}, year = {2013}, pages = {371-377}, keywords = {spotted ash looper, Abraxas pantaria, Fraxinus spp.}, journal = {Periodicum biologorum}, volume = {115}, number = {3}, issn = {0031-5362}, title = {Biology and natural enemies of spotted ash looper, Abraxas pantaria (Lepidoptera, Geometridae) in Krka National Park}, keyword = {spotted ash looper, Abraxas pantaria, Fraxinus spp.} }
@article{article, author = {Pernek, Milan and Lackovi\'{c}, Nikola and Dinka, Mato\v{s}evi\'{c}}, year = {2013}, pages = {371-377}, keywords = {spotted ash looper, Abraxas pantaria, Fraxinus spp.}, journal = {Periodicum biologorum}, volume = {115}, number = {3}, issn = {0031-5362}, title = {Biology and natural enemies of spotted ash looper, Abraxas pantaria (Lepidoptera, Geometridae) in Krka National Park}, keyword = {spotted ash looper, Abraxas pantaria, Fraxinus spp.} }

Časopis indeksira:


  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus





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