Zoophagous entomofauna and entomopathogenic agents reported on Cydalima perspectalis (Walker, 1859) in north-western of Romania

  • Ionuţ B. HULUJAN University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Agriculture, Plant Protection Department, 3-5 Calea Manastur, 400372 Cluj-Napoca
  • Teodora FLORIAN University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Agriculture, Plant Protection Department, 3-5 Calea Manastur, 400372 Cluj-Napoca
  • Vasile C. FLORIAN University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Agriculture, Plant Protection Department, 3-5 Calea Manastur, 400372 Cluj-Napoca
  • Ion OLTEAN University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Agriculture, Plant Protection Department, 3-5 Calea Manastur, 400372 Cluj-Napoca
Keywords: box tree moth; Forficula auricularia; parasites; predators


In Europe, the box tree moth, Cydalima perspectalis (Walker, 1859) was first reported in 2006, in southwestern Germany, then spread to almost all countries. Larvae of this species affect the aesthetic value of the box tree. In the last period, numerous studies were carried out regarding the identification of useful entomofauna that reduce the numerical density of the population of Cydalima perspectalis. In this study conducted in north-western Romania (Cluj County, in 2019), entomopathogens and useful entomofauna were monitored in four areas, represented by four cities. The entomopathogenic agents contaminated the larvae of the box tree moth in a proportion of 5.6% at Gherla, 6.8% at Dej, 8.7% at Cluj-Napoca and 15.3% at Ciucea. Most larvae have been infected with Bacillus. At Cluj-Napoca and Ciucea, the presence of the larval endoparasite Exorista larvarum L. (Diptera: Tachinidae) was reported. Parasitoid species determined a parasitization rate of 5.1% at Dej, 8.6% at Gherla and 13.4% at Cluj-Napoca. Predators affected pupae in a proportion of 3.8% at Gherla, 4.2% at Dej and 16% at Cluj-Napoca. Among the pupae predators, for the first-time common earwig was reported, Forficula auricularia L. Entomopathogenic agents affected 5.3% of the pupae collected from Cluj-Napoca, 7.7% in Gherla and 12.5% in Dej. During the monitoring period of the zoophagous entomofauna and the entomopathogenic microorganisms, affected the pupae in a percentage of 20.1% in Gherla, 21.8% in Dej, 34.7% in Cluj-Napoca, contributing to the diminution of the population of the harmful species.


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How to Cite
HULUJAN, I. B., FLORIAN, T., FLORIAN, V. C., & OLTEAN, I. (2021). Zoophagous entomofauna and entomopathogenic agents reported on Cydalima perspectalis (Walker, 1859) in north-western of Romania. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 49(1), 11786. https://doi.org/10.15835/nbha49111786
Research Articles
DOI: 10.15835/nbha49111786

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