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Endophytic fungi from Vitis vinifera L. isolated in Canary Islands and ...

Endophytic fungi from Vitis vinifera L. isolated in Canary Islands and ...

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Predators of Pityogenes chalcographus (Coleoptera:Scolytidae) <strong>in</strong> Natural Park ApuseniFora, C.G. 1* , Lauer, K.F. 2 , Berar, C. 1 , Ştefan, C. 1 , Silivăşan, M. 1 , Lalescu, D. 11 Banat University of Agricultural Sciences <strong>and</strong> Veter<strong>in</strong>ary Medic<strong>in</strong>e <strong>from</strong> Timisoara; 2 University of AppliedSciences Weihenstephan-Triesdorf* Correspond<strong>in</strong>g author. Email: foraciprian@yahoo.comAbstract Alongside the European spruce bark beetle, <strong>in</strong> the Natural ParkApuseni, the small spruce bark beetle Pityogenes chalcographus encounteredfavourable mass reproduction conditions. Thus, massive attacks at the trees‟feet were observed <strong>in</strong> different arboreta. This phenomenon will largely spreadunless urgent measures for eradicat<strong>in</strong>g the pest hole are undertaken. This iswhy we have decided to <strong>in</strong>vestigate the parasitoid populations for Pityogeneschalcographus <strong>in</strong> the protected environment. In 2011 the most numerousspecies were: Nemosoma elongatum, Rhizophagus cribratus, Rhizophagusdepressus, Thanasimus formicarius, Quedius plagiatus, Quedius lateralis,Quedius cruentus, Quedius xanthopus.Key wordsPityogenes chalcographus,predators, Natural ParkApuseniParasitoids of Ips typographus (Coleoptera: Scolytidae) <strong>in</strong> theNatural Park ApuseniFora, C.G. 1* , Lauer, K.F. 2 , Banu, C. 1 , Berar, C. 11 Banat University of Agricultural Sciences <strong>and</strong> Veter<strong>in</strong>ary Medic<strong>in</strong>e <strong>from</strong> Timisoara; 2 University of AppliedSciences Weihenstephan-Triesdorf* Correspond<strong>in</strong>g author. Email: foraciprian@yahoo.comAbstract Dur<strong>in</strong>g the last years, <strong>in</strong> the Natural Park Apuseni, the Europeanspruce bark beetle encountered favourable mass reproduction conditions.Thus, massive attacks at the trees‟ feet were observed <strong>in</strong> different arboreta.This phenomenon will largely spread unless urgent measures for eradicat<strong>in</strong>gthe pest hole are undertaken. This is why we have decided to <strong>in</strong>vestigate theparasitoid populations <strong>in</strong> the protected environment. In 2011 the mostnumerous species were: Coeloides bostrichorum, Roptrocerus xylophagorum,Rhopalicus tutela, Dendrosoter middendorffi <strong>and</strong> D<strong>in</strong>otiscus eupterus. Amongthese, the first two parasitoid species are also the best represented <strong>in</strong> number(>70%).Key wordsIpstypographus,parasitoids, Natural ParkApuseni

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