First penetration of pine processionary moth (Thaumetopoea pityocampa) in North Bulgaria

The pine processionary moth (Thaumetopoea pityocampa) was reported for the first time in North Bul-garia in 2022. Winter nests of the pest were observed in a number of pine plantations in more than 10 sites of four Forest State Enterprises (Troyan, Sevlievo, Gabrovo, Plachkovtsi). The penetration of...

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Main Authors: Georgi Georgiev, Margarita Georgieva, Plamen Mirchev, Sevdalin Belilov, Gergana Zaemdzhikova, Maria Matova
Format: Article
Language:English
Published: Pensoft Publishers 2023-02-01
Series:Silva Balcanica
Subjects:
Online Access:https://silvabalcanica.pensoft.net/article/101297/download/pdf/
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author Georgi Georgiev
Margarita Georgieva
Plamen Mirchev
Sevdalin Belilov
Gergana Zaemdzhikova
Maria Matova
author_facet Georgi Georgiev
Margarita Georgieva
Plamen Mirchev
Sevdalin Belilov
Gergana Zaemdzhikova
Maria Matova
author_sort Georgi Georgiev
collection DOAJ
description The pine processionary moth (Thaumetopoea pityocampa) was reported for the first time in North Bul-garia in 2022. Winter nests of the pest were observed in a number of pine plantations in more than 10 sites of four Forest State Enterprises (Troyan, Sevlievo, Gabrovo, Plachkovtsi). The penetration of the pest into the new localities is due to a long-distance dispersion by vehicles. In January 2023, the nests in new localities contained fifth-instar larvae of T. pityocampa. Only about 3% of them were empty as larvae had descended in the soil for pupation. Based on the high population density and presence of old nests in some localities, it was assumed that the pest penetrated into Northern Bulgaria most likely 3-4 years ago. 
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spelling doaj.art-b1a80635841f4d02bca39c99ccc71eed2023-03-01T09:11:06ZengPensoft PublishersSilva Balcanica2815-25492023-02-01241172210.3897/silvabalcanica.24.e101297101297First penetration of pine processionary moth (Thaumetopoea pityocampa) in North BulgariaGeorgi Georgiev0Margarita Georgieva1Plamen Mirchev2Sevdalin Belilov3Gergana Zaemdzhikova4Maria Matova5Forest Research Institute, Bulgarian Academy of SciencesForest Research Institute, Bulgarian Academy of SciencesForest Research Institute, Bulgarian Academy of SciencesForest Research Institute, Bulgarian Academy of SciencesForest Research Institute, Bulgarian Academy of SciencesForest Research Institute, Bulgarian Academy of SciencesThe pine processionary moth (Thaumetopoea pityocampa) was reported for the first time in North Bul-garia in 2022. Winter nests of the pest were observed in a number of pine plantations in more than 10 sites of four Forest State Enterprises (Troyan, Sevlievo, Gabrovo, Plachkovtsi). The penetration of the pest into the new localities is due to a long-distance dispersion by vehicles. In January 2023, the nests in new localities contained fifth-instar larvae of T. pityocampa. Only about 3% of them were empty as larvae had descended in the soil for pupation. Based on the high population density and presence of old nests in some localities, it was assumed that the pest penetrated into Northern Bulgaria most likely 3-4 years ago. https://silvabalcanica.pensoft.net/article/101297/download/pdf/<i>Thaumetopoea pityocampa</i>North Bulgariaex
spellingShingle Georgi Georgiev
Margarita Georgieva
Plamen Mirchev
Sevdalin Belilov
Gergana Zaemdzhikova
Maria Matova
First penetration of pine processionary moth (Thaumetopoea pityocampa) in North Bulgaria
Silva Balcanica
<i>Thaumetopoea pityocampa</i>
North Bulgaria
ex
title First penetration of pine processionary moth (Thaumetopoea pityocampa) in North Bulgaria
title_full First penetration of pine processionary moth (Thaumetopoea pityocampa) in North Bulgaria
title_fullStr First penetration of pine processionary moth (Thaumetopoea pityocampa) in North Bulgaria
title_full_unstemmed First penetration of pine processionary moth (Thaumetopoea pityocampa) in North Bulgaria
title_short First penetration of pine processionary moth (Thaumetopoea pityocampa) in North Bulgaria
title_sort first penetration of pine processionary moth thaumetopoea pityocampa in north bulgaria
topic <i>Thaumetopoea pityocampa</i>
North Bulgaria
ex
url https://silvabalcanica.pensoft.net/article/101297/download/pdf/
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